Information
-
Patent Grant
-
6330856
-
Patent Number
6,330,856
-
Date Filed
Thursday, January 28, 199925 years ago
-
Date Issued
Tuesday, December 18, 200123 years ago
-
Inventors
-
Original Assignees
-
Examiners
Agents
-
CPC
-
US Classifications
Field of Search
US
- 100 52
- 100 99
- 100 229 A
- 100 102
- 100 233
- 221 102
- 221 135
- 232 1 B
- 232 433
- 312 211
- 312 224
- 312 327
- 312 328
-
International Classifications
-
Abstract
An apparatus and method for dispensing and retrieving garments in a controlled manner. The apparatus retrieves the garments in a secure enclosure while accounting for the garments returned, and compacts the returned garments, all with a single, stand-alone apparatus. A paddle mechanism sweeps the garments into a horizontally extended storage compartment and compacts them with an upward movement. The paddle is articulated at a one-way joint to allow it to pass obstructions on its return path.
Description
TECHNICAL FIELD
The present invention relates to a system for dispensing and retrieving garments, and particularly relates to dispensing garments in a controlled manner, receiving the garments in a secure enclosure while accounting for the garments returned, and compacting the returned garments, all with a single, stand-alone apparatus.
BACKGROUND ART
Some employers must provide special clothing to their employees, then collect and launder the clothing when it becomes soiled. Hospital scrubsuits are an example of such clothing. A problem associated with the use of scrubsuits is loss of inventory as a result of negligence, misuse and theft. Another problem is extra laundering of unused scrubsuits as a result of mishandling.
To avoid the labor costs and other disadvantages of staffed dispensing stations within a hospital, vending machines have been developed, such as that shown in U.S. Pat. No. 5,638,985. This apparatus effectively solves the problems involved in vending flexible cloth items one at a time. The dispenser includes a processor that tracks the inventory within the machine as scrubsuits are removed, and limits users to a maximum number of withdrawals with a magnetic card or “PIN” number access system.
The clothing collection apparatus shown in U.S. Pat. Nos. 5,713,270 and 5,829,349 also reduces inventory loss. Scrubsuits are checked in by the user, and a processor sends a credit to the user's account via a communications network. Thus, the return of a scrubsuit increases the scrubsuits available to that user from a scrubsuit vending machine also linked to the network. The apparatus also compacts the garments that are returned.
In large hospitals, placing individual dispenser units and receiving units at key locations has proved effective in controlling an inventory of scrubsuits. However, a system of separate dispensers and receiving units connected by a communications network may be too expensive for small hospitals, clinics, or hospital departments that need to maintain an inventory of scrubsuits independent of a large hospital organization. Thus, there is a need for a compact unit that can dispense and retrieve garments such as hospital scrubsuits.
Adapting the garment receiving apparatus of the unit shown in U.S. Pat. Nos. 5,713,270 and 5,829,349 into a compact unit presents difficulties, because the collection compartment into which the garments are compacted is located directly below the compacting mechanism. Thus, the volume of clothing that the collection area can hold is limited by the height and width of the unit. To increase the capacity of a garment collection compartment, a compaction system is needed that can move and compact garments into a laterally extending collection compartment.
SUMMARY OF THE INVENTION
The present invention seeks to provide an apparatus that can receive and pack goods, such as garments or the like, laterally with respect to their intake location.
This object is accomplished by providing an apparatus for receiving and packing goods, comprising a storage chamber including an outer wall defining an inlet opening, and an inlet chamber positioned adjacent to the storage chamber and communicating with the inlet opening. An articulated paddle is mounted for rotation about a pivot axis, the paddle being positioned at least partly within the inlet chamber and defining a one-way folding joint at a location between the pivot axis and an outer end of the paddle. A drive mechanism is connected to rotate the paddle in both directions about the pivot axis from an initial position at least partly within the inlet chamber toward the storage chamber and back to the initial position. The joint holds the paddle in an extended configuration against resistance when the paddle is rotating toward the storage chamber, and allows the paddle to fold when the paddle is rotating back toward the initial position.
In one embodiment, the drive mechanism is capable of rotating the paddle into the storage chamber. The initial position of the paddle may lie in a plane adjacent to a wall of the inlet chamber, and the drive mechanism may be capable of rotating the paddle into the storage chamber and through an angle greater than 210° (preferably about 220-225° or more) from the initial position. The apparatus may include a resistance sensor operative to reverse rotation of the paddle toward the storage chamber responsive to the paddle encountering a preset level of resistance from goods in the storage chamber. A first position sensor may be located along the rotation of the paddle at an angle indicating the storage chamber is full; and a controller may be connected to the first position sensor and generate a full signal in response to the paddle being reversed by the resistance sensor prior to reaching the first position sensor.
Preferably, the drive mechanism includes a motor coupled to rotate the paddle, and the apparatus further includes a second position sensor located along the rotation of the paddle at a predetermined angle from the initial position of the paddle. In this case the controller is connected to the second position sensor and disconnects energy to the motor in response to the second position sensor indicating passing of the paddle during return motion of the paddle toward the initial position, allowing the paddle to coast into the initial position.
The storage chamber may include a bag and the inlet chamber may comprise a chute positioned above the inlet opening of the bag. The bag may extend horizontally from the inlet opening. The inlet chamber can be equipped with a lockable receiving door, an input device for acquiring user identification information, and a controller operatively connected to unlock the door and to operate the drive mechanism in response to information received from the input device. Preferably, a sensor is positioned to provide a confirmation signal to the controller indicating the presence of goods in the inlet chamber. The controller updates an inventory of goods and an account of a particular user associated with the information received from the input device in response to the confirmation signal.
The present invention also provides a method for receiving and packing goods, comprising the steps of accepting goods into an inlet chamber; operating a sweep arm from an initial position through an angle of up to about 220° or more to sweep the goods from the inlet chamber into a storage chamber having an inlet opening communicating with the inlet chamber; monitoring movement of the sweep arm past at least first and second locations distant from the initial position; returning the sweep arm toward the initial position responsive to resistance to continued movement thereof at any angle from the initial position; allowing the sweep arm to coast back to the initial position from the first location; and if the sweep arm returns without passing the second location, terminating acceptance of goods into the inlet chamber. The step of operating the sweep aim to pack the goods may optionally be initiated less than upon every acceptance of goods into the inlet chamber for a predetermined number of acceptance cycles, to reduce the average cycle time for users, and thereafter the sweep arm may be operated after every acceptance to assure that the inlet chamber is cleared and the goods are properly packed.
The present invention also seeks to provide a compact unit that both dispenses and receives cloth items.
This object is accomplished by providing an apparatus for dispensing and receiving goods, comprising: a cabinet; a dispensing device for cloth items positioned in an upper portion of the cabinet; a receiving chamber positioned adjacent to the dispensing device in the upper portion of the cabinet and including an opening through which cloth items may be inserted into the receiving chamber; a storage chamber positioned in a lower portion of the cabinet and extending beneath both the receiving chamber and the dispensing device, the storage chamber defining an opening communicating with the receiving chamber; and a sweeping arm operative to move cloth items to a portion of the storage chamber beneath the dispensing device. In a preferred embodiment, the sweeping aim moves between a position within the receiving chamber to a position within the storage chamber.
Other objects, features and advantages of the present invention will become apparent upon reviewing the following detailed description of an embodiment of the invention, when taken in conjunction with the drawings and the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a front plan view of a garment dispensing and retrieving apparatus embodying the present invention.
FIG. 2
is a pictorial view of the apparatus of FIG. I showing interior components.
FIG. 3
is a partial front plan view of the apparatus of
FIG. 1
with doors removed to show interior detail.
FIG. 4
is a diagrammatic front view of the paddle and drive mechanism showing various positions of the paddle.
FIG. 5
is a block diagram of a control circuit for operating the apparatus of FIG.
1
.
FIG. 6
is a logic flow diagram of the steps in the operation of the apparatus of FIG.
1
.
DETAILED DESCRIPTION
Referring now in more detail to the drawings, in which like numerals refer to like parts throughout the several views,
FIG. 1
shows a garment dispensing and retrieving machine
10
embodying the present invention. The machine
10
is contained within a cabinet
12
which holds both a dispensing mechanism
14
for dispensing garments or sets of garments, and a retrieving mechanism
16
for receiving garments returned by users. The retrieving mechanism
16
directs the returned garments into a storage compartment
18
. Users and attendants operate the machine
10
via a controller interface panel
20
, which contains input devices described below connected to electronic devices associated with the panel
20
and in an electronics compartment
22
, including a programmed microprocessor
35
in the compartment
22
and a programmed microprocessor
36
with the panel
20
(FIGS.
2
and
5
). A portion of the storage compartment
18
extends under the dispensing mechanism
14
, as shown in FIG.
1
.
The dispensing mechanism
14
is of the type shown in U.S. Pat. No. 5,638,985. Because the mechanism is described in detail in that patent, its structure and operation will be summarized briefly here. Referring to
FIGS. 1 and 2
, the dispensing mechanism
14
is positioned in the upper left corner of the cabinet
12
. A plurality of user doors
26
are defined in a main dispenser door
25
, which is secured by a locking latch
28
. A number of receptacles or slots
31
are arranged behind the user doors
26
on shelves
30
, forming an array of the dispensing slots
31
in which garments such as surgical scrubsuits are disposed. Receptacle doors (not shown) allow access to only one column of slots, so that when one user door
26
is open, only one slot is accessible.
Referring to
FIGS. 2 and 3
, receiving mechanism
16
is positioned in a portion of the cabinet
12
to the right of, and below the right hand portion of, the dispensing mechanism
14
. An inlet chamber or chute
40
is defined between an inner wall
42
separating the inlet chamber
40
from the dispensing mechanism
14
, and an outer wall
13
of the cabinet. A door
44
in the front of the cabinet allows users to deposit soiled garments into the inlet chamber after entering a proper identification via the interface panel
20
. Associated with the door
44
are a lock solenoid
38
and a limit switch
45
that indicates whether the door is closed (both shown diagrammatically in FIG.
5
). When garments are deposited through the door
44
, they fall past a photosensor
43
which confirms that an article has in fact been deposited. As they continue to fall, the garments pass into the storage compartment
18
through an inlet opening
46
defined between (a) a front beam
47
extending across the top of the storage compartment, (b) a rear beam
48
parallel to the front beam and positioned against the back wall of the cabinet
12
, (c) the end wall
13
of the cabinet, and (d) an articulated paddle
50
. The falling garments are deflected toward the paddle
50
by an angled guide
49
extending across the end wall of the cabinet, best shown in FIG.
3
.
The articulated paddle
50
has an inner paddle member
52
and an outer paddle member
54
connected at a pivot joint
57
. The inner paddle
52
has a broad, flat surface and defines a pair of side flanges
53
for strength extending away from the inlet chamber. Similarly, the outer paddle member
54
has a broad, flat surface and defines a pair of side flanges
55
.
FIG. 3
shows a cross section of the paddle
50
, with the paddle members biased into linear alignment by a spring
58
. The outer paddle member
54
extends past the joint and partly behind the inner paddle member
52
, so as to provide a stop, preventing the members
52
and
54
from bending about the joint
57
beyond linear alignment in one direction. However, pressure against the outer paddle member
54
will bend it about the joint, against the force of the spring
58
, in a Counterclockwise direction as viewed in FIG.
3
. The one-way knee joint thus formed by the pivot joint
57
may take on positions such as shown in
FIG. 4
, which is described in more detail below in connection with the operation of the apparatus.
The inner paddle member
52
is fixed to a pivot axle
60
that may be journaled in bearings (not shown) mounted on each of the rails
47
and
48
. The axle is positioned so that when the paddle
50
extends vertically upward, it is adjacent to the wall
42
. A sprocket
62
also is fixed on the axle
60
. The sprocket
62
is driven via a chain
64
by another sprocket
65
mounted on the drive shaft of a reversible motor/gear reducer
67
. The motor is mounted on a platform
68
extending between the rails
47
and
48
in a space below the dispensing mechanism
14
. If desired, the paddle can be driven clockwise by the motor and returned in the counterclockwise direction by a spring or other resilient device. An arm
69
also is mounted to the drive shaft of the motor
67
. The arm's path intersects a stop
70
mounted below the motor platform
68
.
As shown by the dashed lines in
FIG. 3
, the clockwise rotational path of the distal end of the paddle
50
about the axle
60
sweeps from an approximately vertical (or “home”) position, across the inlet chamber near the guide
49
, between the rails
47
and
48
closely adjacent to the cabinet wall
13
, through the storage compartment
18
, past 180° of rotation within about 2-3 inches of the floor of the storage compartment
18
, and to a final position about 225° from the home position, as indicated by the arrow A. When the paddle
50
is in the home position, the arm
69
abuts the left side of the stop
70
as viewed in FIG.
3
. When the paddle has rotated to its final position, the aim
69
abuts the right side of the stop
70
. The motor is equipped with a conventional resistance sensor
71
, shown diagrammatically in
FIG. 5
, connected to stop the motor when the motor must strain beyond a predetermined level attempting to rotate its drive shaft. This may occur when the arm
69
contacts the right side of the stop
70
, or earlier when the paddle
50
encounters resistance from stored garments as described below.
The position of the paddle
50
is monitored using limit switches positioned on a plate
76
mounted adjacent to the axle
60
. A home position limit switch
73
is located approximately vertically above the axle
60
, a full position sensor
74
is located at about 120° counterclockwise from the vertical, and a coast position sensor
75
is located about 70° from the vertical. As the axle
60
rotates, a cam
78
mounted on the axle
60
trips each of the three limit switches.
The home position is designed to have a fairly wide range to allow for differences in overtravel of the paddle as it coasts. Therefore, the home position limit switch
73
is positioned so that it is tripped at some point before the arm
69
contacts the stop
70
, and will stay tripped from that point for the entire travel distance of the arm
69
to the stop.
The storage compartment
18
may be lined with an impervious storage bag
84
hanging on hooks
85
positioned along the rails
47
and
48
. The bag
84
is generally the shape of the storage compartment, for example, rectangular, and defines an opening
86
at the opening
46
leading from the inlet chamber
40
. An operator can access the bag
84
for removal and replacement through doors
87
, on which is a limit switch
88
(shown diagrammatically in
FIG. 5
) that indicates whether the door is closed. The bag opening
86
may be closed when removed from the compartment
18
.
The controller interface
20
includes a bar code or magnetic card reader
90
and a keypad
91
for allowing a user to input identification information, as described in U.S. Pat. Nos. 5,638,985, 5,713,270, and 5,829,349, which are incorporated herein by reference in their entirety. For example, a user can be required to initiate a dispensing or return operation by swiping a card or by entering a user number and then keying in a PIN. An LCD or LED display
93
shows information to the user, such as whether the user is authorized, whether the requested size is available, and whether or not the user has credits available. The display may also present instructions to the user on how to operate the apparatus
10
. Optionally, a video or still camera
94
may be positioned behind a horizontal window
95
within the cabinet
12
above the door
44
to look down into the inlet chamber
40
. The camera may be connected to a video tape recorder
96
and/or a television monitor
97
located in the electronics compartment
22
. This equipment may be used to record transactions for security and verification. A printer may also be located in the compartment
22
to allow easy printing of data stored in the memory of the processor
36
.
FIG. 5
shows a block diagram of a control system
100
for operating the combined dispensing and receiving apparatus
10
. The microprocessors
35
and
36
includes memory (not shown) for storing software modules for operating the apparatus
10
. This software is responsive to various inputs from sensors and input devices described above and issues signals to operate various components of the apparatus. The dispensing mechanism
14
is operated in the manner described in U.S. Pat. No. 5,638,985. Input signals
102
from the dispensing mechanism
14
are shown diagrammatically. Software drivers
101
for operating the motors, solenoids, etc., of the dispensing mechanism
14
are also shown diagrammatically.
The same microprocessors
35
and
36
may control both the dispensing and receiving mechanisms. The processor
36
at the panel
20
includes a memory that stores information about the location and contents of each receptacle, such as whether the receptacle is full and the sizes of the garments it contains. A program in the processor
36
allows an operator who is loading the machine with new scrubsuits to use the keypad
91
to modify the full/empty status of each slot in the memory. In the alternative, a remote computer
104
may program the sizes for each slot. The memory of the processor
36
also stores the “credits” allocated to each user and not previously used.
At the interface panel
20
, the card reader
90
, keypad
91
, and display
93
are controlled by the processor
36
, the memory of which holds a list of authorized card numbers. Each user can initiate a dispensing operation by entering a user number and personal identification number (PIN) at the user interface panel
20
in a manner described below. The processor
36
is programmed to determine whether a set of garments meeting the needs of that user is in inventory, and in which receptacle that set is located. If the correct garment is present, the processor
36
instructs the processor
35
to operate the mechanism to move the receptacle doors to expose the column of receptacles
31
in which that slot is located, and unlocks the user door
26
at that row. After the user withdraws the set of garments in the receptacle and closes the door, the processor
35
locks the door and updates the memory to reflect the empty status of that receptacle, and updates the user's credit account.
The processor
35
controls the operation of all the motors and solenoids for the apparatus
10
, and receives input signals from switches as needed to open the correct slot requested by the processor
36
. For the retrieving mechanism
16
, the processor
35
also includes retriever drivers
103
for operating the door solenoid
38
to lock and unlock the door
44
, and for operating the sweep motor
67
to move the paddle
50
. To determine when to operate these devices, the processor
35
utilizes inputs from the load sensor
71
associated with the motor
67
, the paddle position limit switches
73
,
74
, and
75
, the door limit switch
45
on the door
44
, and the photosensor
43
in the inlet chamber. Inputs to the processor
36
include data read by the card reader
90
and input via the keypad
91
. The processor
35
sends signals to control the VCR
96
. Separately, the processor
36
controls the display
93
and the printer
98
. The apparatus
10
may be linked to other systems, for example a remote central computer
104
. The processor
36
may obtain information on individual user accounts from the central computer
104
, and return data regarding usage at the apparatus
10
. The processor
36
also may be networked along a data link
105
to other dispensing/receiving machines with links
106
to the central computer
104
. This data communication facilitates operation of a multi-station system within a large hospital or covering more than one small hospital or clinic. Further details of network operation are found in U.S. Pat. No. 5,638,985 and 5,713,270, and 5,829,349.
Operation of the combined dispensing and receiving apparatus
10
will be described with the aid of the flow diagram of
FIG. 6. A
user approaches the apparatus
10
and at step
601
, swipes a bar code or a magnetic card through the card reader
90
, or at step
602
, enters a card number and PIN number at the keypad
91
. The user selects the desired mode of operation (withdraw or return garments) at the keypad
91
. These entries may be prompted by the display
93
. At step
603
the processor determines whether the bar code or the magnetically entered user number or keypad entered user number and PIN number are valid. If not, the program returns to the ready mode. If so, the processor at step
604
allows the user to select whether or not to withdraw or return garments on his or her account.
If the choice is to withdraw garments from the dispensing mechanism
14
, the program proceeds to step
605
where the processor determines whether the user has credit available to make a withdrawal. If so, the dispensing process continues as described in U.S. Pat. No. 5,638,985. The steps there described will not be repeated in detail, such as receiving a requested size and determining and reporting whether the requested size is available and proper for the user. The dispensing process may proceed at step
607
to dispense a garment from one of the slots
31
, and the inventory and user credit history may be updated at step
608
.
If the user has chosen to return garments at step
604
, the The processor activates the video camera
94
at step
610
to record what is actually deposited into the inlet chamber
40
, and unlocks the return door solenoid
38
at step
611
. At step
612
, the user opens the return door
44
and deposits the garments into the door and closes it. The door limit switch
45
detects the closing of the door
44
, and the processor locks it by releasing the solenoid
38
which allows a spring latch (not shown) to lock the door at step
613
. As the garments fall through the inlet chamber
40
, they trigger the photocell sensor
43
at step
614
, which sends a signal to the processor
35
which sends data to the processor
36
confirming that a deposit did accompany the door opening and closing. If the sensor
43
does not detect a passing article, the processor
36
determines at step
615
that no credit will be given to the user's account.
When garment confirmation is made at step
616
, the processor
36
adds one set of garments to the user's credit account. Also, after a garment has triggered the sensor
43
, the processor
35
causes the motor
67
to begin rotating the axle
60
, and with it, the paddle
50
and the cam
78
.
Referring to
FIG. 4
, as the paddle rotates from the home position, it pushes garments G within the inlet chamber
40
into the storage compartment
18
, preferably into the bag
84
. Continued rotation of the paddle sweeps the garments toward the inner portion of the storage compartment
18
under the dispensing mechanism
14
. The paddle
50
may or may not pass the full limit switch
74
, depending on the contents of the storage chamber. If so, a signal is received by the processor
35
. During this clockwise rotation, the paddle
50
remains straight, and rotates until it encounters resistance from compacted garments if sufficient garments are present. The movement of the paddle on encountering resistance will compact the garments first in the inner, upper corner of the compartment
18
with an upward movement of the paddle, as shown in
FIG. 4
with the paddle in dashed outline. Then, sufficient resistance triggers the resistance sensor associated with the motor
67
, which signals the processor to reverse rotation of the paddle at step
619
. If only a few garments are in the storage compartment, the paddle will reach its maximum travel at the angle A (225°) and the arm
69
will engage the stop
70
, causing the motor to reverse in the same way.
As the paddle
50
moves counterclockwise, some garments it has compressed may fall back from the corner. Such garments will be packed into the corner again on the next cycle of the paddle. Also during return motion, the paddle may engage garments G within the storage compartment. The full line position of the paddle
50
in
FIG. 4
shows the paddle members
52
and
54
articulated about the joint
57
to pass by garments G. Sufficient force has been placed on the paddle member
54
to bend it about the joint
57
. As soon as the paddle clears the garments G, the spring
58
will straighten the paddle members, so that in the home position the paddle will be approximately vertical, and will not be in the path of garments deposited into the inlet chamber
40
.
During return movement of the paddle
50
counterclockwise toward the home position, the paddle triggers the coast limit switch
75
. At step
620
, the processor
35
monitors the coast limit switch. Until it is triggered, the motor
67
continues to drive in reverse. When the limit switch
75
is triggered by the cam
78
, power to the motor is disconnected at step
621
, allowing the paddle to coast into the home position. If there is enough coast, the arm
69
on the motor meets the stop
70
. When the home limit switch
73
is triggered, the processor checks at step
622
to determine whether the full limit switch
74
was passed during the preceding paddle cycle. If not, this indicates the storage compartment
18
is full, and further operation of the receiving mechanism
16
is disabled at step
623
until the compartment
18
is cleared (for example, by removing and replacing the bag
84
). A signal indicating the apparatus
10
is full is sent to the processor
36
and may be sent to the central computer
104
, and a “FULL” message may be shown on the display
93
. If the full limit switch was passed during the previous cycle, then the compartment
18
has more capacity and the program returns to the ready state until another user logs in.
An operator may check on the apparatus
10
periodically, or when the inventory data maintained on the central computer
104
indicates the storage compartment
18
is full, or the dispensing mechanism
14
is empty or needs restocking in certain sizes. The operator has key access to the storage doors
87
and to the latch
28
of the dispenser main door
25
. The operator may restock the empty slots. The programming of which size should be loaded into which slot is performed at the computer
104
and displayed on the display
93
to the operator. However, if the apparatus
10
is not connected to a computer
104
, the operator logs in the slots that are loaded using the keypad
91
.
The operator may also remove and close the bag
84
, and install another bag
84
in the storage compartment
18
. The receiving mechanism
16
is automatically reset when the limit switch
88
indicates that the door
87
has been opened. In this case a door open signal is sent to the processor
35
, which informs the processor
36
that the storage compartment
18
has been emptied. Safety switches (not shown) on the doors
87
prevent operation of the motor
67
while the doors
87
are open. When the operator finishes servicing the apparatus
10
, he or she resets the control circuit
100
to allow further access by users as described above.
In one embodiment of the invention, the processor
36
is programmed to operate the paddle mechanism only periodically when the storage chamber
18
is relatively empty. There is no need under these conditions to pack the garments after every deposit, and the packing steps can be skipped for all but one of every five to ten cycles of accepting returned garments. This procedure eliminates the time of operation of the paddle from the majority of deposit cycles, and therefore beneficially reduces the average cycle time that users must wait for the apparatus to become ready for another deposit. After a predetermined number of deposit cycles, for example between
50
and
60
deposit cycles, the receiving mechanism may pack the garments after every deposit to insure that the scrubsuits do not back up into the inlet chamber
40
and are properly packed.
It is possible to use a stock confirmation terminal of the type shown in U.S. Pat. No. 5,638,985 in connection with the apparatus
10
, but this may not be desired with the smaller dispensing mechanism
14
.
The present invention may be practiced using variations in the embodiment described above. As will be clear from the foregoing, an apparatus can be constructed that can receive and pack goods, such as garments or the like, laterally with respect to the location of the intake and compacting mechanisms. Also, a compact apparatus can be constructed that will that both dispense and receive cloth items.
Claims
- 1. An apparatus for dispensing and receiving goods, said apparatus comprising:a cabinet; a dispensing device for cloth items positioned in an upper portion of said cabinet; a receiving chamber positioned adjacent to said dispensing device in said upper portion of said cabinet and including an opening through which cloth items may be inserted into said receiving chamber; a storage chamber positioned in a lower portion of said cabinet and extending beneath both said receiving chamber and said dispensing device, said storage chamber defining an opening communicating with said receiving chamber; and an arm movable in a first direction from an initial position to an extended position and movable back toward said initial position in a second direction opposite to said first direction, to move cloth items to a portion of said storage chamber beneath said dispensing device.
- 2. An apparatus for dispensing and receiving goods, comprising:a cabinet; a dispensing device for cloth items positioned in an upper portion of said cabinet; a receiving chamber positioned adjacent to said dispensing device in said upper portion of said cabinet and including an opening through which cloth items may be inserted into said receiving chamber; a storage chamber positioned in a lower portion of said cabinet and extending beneath both said receiving chamber and said dispensing device, said storage chamber defining an opening communicating with said receiving chamber; and an arm movable to sweep cloth items to a portion of said storage chamber beneath said dispensing device; wherein said arm moves between a position within said receiving chamber to a position within said storage chamber.
- 3. An apparatus for dispensing and receiving goods, comprising:a cabinet; a dispensing device for cloth items positioned in an upper portion of said cabinet; a receiving chamber positioned adjacent to said dispensing device in said upper portion of said cabinet and including an opening through which cloth items may be inserted into said receiving chamber; a storage chamber positioned in a lower portion of said cabinet and extending beneath both said receiving chamber and said dispensing device, said storage chamber defining an opening communicating with said receiving chamber; and an arm movable to sweep cloth items to a portion of said storage chamber beneath said dispensing device, said arm comprising: a) an articulated paddle mounted for rotation about a pivot axis and defining a one-way joint at a location between said pivot axis and an outer end of said paddle; b) a drive mechanism connected to rotate said paddle about said pivot axis from an initial position toward said storage chamber and back toward said initial position; and c) said joint holding said paddle in an extended configuration against resistance when said paddle is rotating toward said storage chamber; and allowing said paddle to fold when said paddle is rotating back toward said initial position.
- 4. The apparatus of claim 3, wherein said drive mechanism is capable of rotating said paddle into said storage chamber.
- 5. The apparatus of claim 4, wherein in said initial position of said paddle assembly said paddle lies in a plane adjacent to a wall of said receiving chamber, and wherein said chive mechanism is capable of rotating said paddle into said storage chamber and through an angle greater than 180 degrees from said initial position.
- 6. The apparatus of claim 5, wherein said angle is greater than 210° from said initial position.
- 7. The apparatus of claim 6, wherein said angle is about 225° or more from said initial position.
- 8. The apparatus of claim 4, further comprising a resistance sensor operative to reverse rotation of said paddle toward said storage chamber responsive to said paddle encountering a preset level of resistance from goods in said storage chamber.
- 9. The apparatus of claim 8, further comprising a controller connected to said drive mechanism and to said resistance sensor.
- 10. The apparatus of claim 9, further comprising a first position sensor located along the rotation of said paddle at an angle indicating said storage chamber is full; said controller being connected to said first position sensor and generating a full signal in response to said paddle being reversed by said resistance sensor prior to reaching said first position sensor.
- 11. The apparatus of claim 10, wherein said drive mechanism includes a motor coupled to rotate said paddle, and further comprising a second position sensor located along the rotation of said paddle at a predetermined angle from said initial position of said paddle; said controller being connected to said second position sensor and disconnecting energy to said motor in response to said second position sensor indicating passing of said paddle during return motion of said paddle toward said initial position, whereby said paddle coasts into said initial position.
- 12. The apparatus of claim 3, wherein said storage chamber comprises a bag and said receiving chamber comprises a chute positioned above an inlet opening of said bag.
- 13. The apparatus of claim wherein said bag extends horizontally and said chute extends vertically upward from said inlet opening.
- 14. The apparatus of claim 3, further comprising:a lockable receiving door in said receiving chamber; an input device for acquiring user identification information; and a controller operatively connected to unlock said door and to operate said drive mechanism in response to information received from said input device.
- 15. The apparatus of claim 14, further comprising a sensor positioned to provide a confirmation signal to said controller indicating presence of goods in said receiving chamber, said controller updating an inventory of goods and an account of a particular user associated with said information received from said input device in response to said confirmation signal.
- 16. The apparatus of claim 3, wherein said drive mechanism comprises a reversible motor.
US Referenced Citations (26)