Information
-
Patent Grant
-
6364381
-
Patent Number
6,364,381
-
Date Filed
Tuesday, June 15, 199925 years ago
-
Date Issued
Tuesday, April 2, 200222 years ago
-
Inventors
-
Original Assignees
-
Examiners
Agents
-
CPC
-
US Classifications
Field of Search
US
- 292 264
- 292 DIG 16
- 070 93
- 024 116 R
- 119 772
- 119 778
- 119 779
- 248 28811
- 248 2901
- 248 28911
- 248 29214
- 248 2941
- 403 230
- 403 263
-
International Classifications
-
Abstract
A queue clip for mounting to a control gate includes a holder having a nose extending from one wall of the holder. A tongue is cantilevered off the nose and may be angled to either side of the nose. The tongue preferably supports a chain linking one crowd control gate to another. The tongue is inclined in an upward fashion to support downward chain forces. The tongue may also be angled to a particular side of the nose to allow the chain to be slid off the tongue such that a person may pass between the previously linked control gates.
Description
FIELD OF THE INVENTION
The field of the invention is queue clips and control gates of the type used to guide lines of people e.g., at parades and amusement parks.
BACKGROUND OF THE INVENTION
Control gates are commonly used, for example, at a parade, for separating the spectators from the participants, or at amusement parks, to help to guide people waiting in line.
In use, these gates may be connected together. However, they are more typically spaced apart from one another, to allow for an emergency situation where a person might need to move rapidly outwardly or away from the direction of the queue. To discourage a person from freely passing between spaced-apart gates, a chain or the like is typically used to link one end of a gate to another. For example, a yellow, lightweight plastic chain is often used at amusement parks.
Local ordinances may require the chain and queue clip for linking one control gate to another to be a “break-away” for emergencies. To comply with such a local ordinance, the chain may be modified by partially sawing through one of the links of a chain, such as the light-weight plastic chain typically employed by amusement parks, to weaken the chain enough so that it can easily break-away. Alternatively, a chain with a low breaking strength may be used. However, persons waiting in line may occasionally sit on the chain, inadvertently breaking the chain.
Accordingly, it is an object of the invention to provide an improved queue clip, or latch and chain device particularly adapted for use with control gates, that can hold the weight of persons sitting on the chain, and yet be versatile enough to break-away or release in an emergency. Other objects and advantages will appear hereinafter.
SUMMARY OF THE INVENTION
To these ends, in a first aspect of the invention, the device includes a holder having a rod angled to the holder. Although the device may be used as a latch or the like for numerous different types of gates, the device is particularly adapted for use with control gates. Accordingly, the holder of the device is preferably mounted to a control gate that is linked to another control gate via a chain. A tongue or rod of the device supports one end of the chain, which may be a hardened steel chain or the like. The rod is preferably angled to the holder for supporting downward chain forces. Hence, the latch and chain will not release if a person sits on the chain.
The rod is also angled to the holder for slidably releasing the chain in one direction or to one side of the holder, once sufficient force is applied against the chain to make it travel up and over the tip of the rod. Accordingly, the device allows a member standing in line to briskly walk or run against one side of the chain, forcing the chain to slide off of the tongue, such that the person can freely pass between the previously linked control gates.
In a second aspect of the invention, the holder may include a pair of bores for respectively receiving the tongue or rod of the queue clip. The bores are preferably threaded. One bore is configured to open toward the front wall of the holder, whereas the second bore is configured to open toward the rear wall of the holder. Advantageously, this second preferred embodiment allows the tongue to be retained in either bore. In this manner, the user can set the queue clip and gates at pre-designated locations regardless of whether the side of the crowd control gate having the queue clip mounted thereto is facing inward to where the queue will be or outward to where the queue will be. Accordingly, queue clip need not be remounted if the direction of release of the chain is not as desired, rather, the user need only screw the tongue into the other bore.
In a third aspect of the invention, the holder may include a channel adapted to receive the tongue such that the tongue is translatable within the channel. Advantageously, this embodiment allows quick release of the chain from the tongue support without concern as to which direction a person in line may have to move in to get by the gates.
BRIEF DESCRIPTION OF THE DRAWINGS
Other objects and features of the invention will become apparent from the following detailed description taken in connection with the accompanying drawings. It should be understood, however, that the drawings are intended for the purpose of illustration only, and are not to be taken as a definition of the limits of the invention.
In the drawings, wherein the same reference number denotes the same element throughout all of the views:
FIG. 1
is a perspective view of a queue clip mounted to a control gate according to a first preferred embodiment, including a holder having a coupler mounted to another control gate;
FIG. 2
is a perspective, detailed view of the queue clip shown in
FIG. 1
;
FIG. 3
is a front, partially cut-away view of the queue clip shown in
FIG. 1
;
FIG. 4
is a left side view of the queue clip shown in
FIG. 1
;
FIG. 5
is a left side view of the queue clip shown in
FIG. 1
illustrating the chain supported by the rod in an at-rest position;
FIG. 6
illustrates the chain sliding up the rod due to an outward force acting against the chain from its at-rest position as shown in
FIG. 5
;
FIG. 7
illustrates the chain sliding up and off the rod due to a continuous outward force acting against the chain from its transitory position as shown in
FIG. 6
;
FIG. 8
is a left side view of the queue clip shown in
FIG. 1
illustrating that the chain does not slide up the rod when an inward force acts against the chain;
FIG. 9
is a perspective view of the queue clip shown in
FIG. 1
illustrating the chain supports even a large downward force;
FIG. 10
is a left side view of a queue clip according to a second preferred embodiment;
FIG. 11
is a left side view of a queue clip according to a third preferred embodiment;
FIG. 12
is a cross-sectional view of the queue clip shown in
FIG. 11
taken along line
12
—
12
.
DETAILED DESCRIPTION OF THE DRAWINGS
Turning now in detail to the drawings, as shown in
FIG. 1
, a queue clip
10
according to a first preferred embodiment is mounted to one side of a control gate
100
. The queue clip
10
supports one end of a chain
46
. The other end of the chain
46
may be supported by a coupler mounted to a holder, such as the coupler
64
and holder
62
illustrated in FIG.
1
. The holder
62
is mounted to a second control gate
200
spaced apart from the first control gate
100
. The control gates
100
,
200
shown in
FIG. 1
are often used to separate members of a crowd from the participants of an event, such as a parade, and may be used to help organize guests of an amusement park into one or more queues prior to purchasing a ticket, or riding on an amusement ride, etc. Although the queue clip
10
may be used as a latch or the like for other types of gates, the queue clip
10
is particularly adapted for use with control gates
100
,
200
. Accordingly, the queue clip
10
, in conjunction with a chain
46
or the like, is preferably used to link one crowd control gate
100
to another
200
.
Referring to
FIGS. 2-4
, the queue clip
10
shown in
FIG. 1
includes a holder
12
and a rod
34
angled to the holder
12
. The holder
12
includes a front wall
20
, a rear wall
22
, a left side wall
24
, a right side wall
26
, a top wall
27
, and a bottom wall
29
. The rear wall
22
of the holder
12
is preferably includes a concavity
28
for form-fitting to a post
102
of the control gate
100
. The rod
34
is angled to the holder
12
for supporting the chain
46
when a force is applied to the chain
46
in a downward direction and/or an inward direction, and for releasing the chain
46
when a force to is applied to the chain
46
in an outward direction. A “downward” force and/or direction is illustrated by the F
D
arrow in FIG.
9
. As shown in
FIG. 9
, the downward force F
D
may be due to the weight of a guest
300
sitting on the chain. As used herein, “outward” refers to a direction away from the queue or crowd. An outward force and/or direction is illustrated in
FIGS. 6-7
by the F
O
arrow. An “inward” direction and/or force is illustrated by the F
I
arrow in
FIG. 10
, which is used to refer to a direction toward the queue or crowd.
Turning in detail to
FIGS. 2-4
, the holder body
14
preferably includes a nose member
16
protruding from one of the side walls
24
,
26
of the holder
12
. As shown in the drawings, the nose
16
is extending or protruding from the left side wall
24
of the holder body
14
. The nose
16
includes an anterior wall
50
, a posterior wall
52
, a top wall
56
, a bottom wall
55
, and two opposing side walls
55
(only one of which is shown). The top wall
56
of the nose
16
may be sloped or inclined downward. Such a configuration is preferred to allow the rod or tongue
34
to be cantilevered off the side wall
24
of the holder
12
, and more particularly the top wall
56
of the nose
16
while maintaining the desired angular relationship of the rod
34
to the holder body
14
.
As shown in
FIG. 3
, the tongue
34
is cantilevered off of the top wall
56
of the nose
16
such that it extends upwardly toward the top wall
27
of the body
14
.
FIG. 3
also illustrates the tongue
34
is angled to the holder body
14
at an angle β from a y-axis in a y-z plane. The angle β is preferably in the range of about 35° to about 55° from the y-axis, and most preferably about 45°.
As shown in
FIG. 4
, the tongue
34
is also cantilevered off of the top wall
56
of the nose
16
such that it extends outwardly toward the front wall
20
of the body
14
. The tongue
34
is angled to the holder body
14
at an angle α from a y-axis in a x-y plane. The angle α is preferably in the range of about 35° to about 55° from the y-axis, and most preferably less than 45°.
Although it is preferred to have the tongue
34
integral to the holder
12
,
FIGS. 3 and 4
also illustrate that the tongue
34
may be a separate piece. Should the tongue
34
not be integral to the holder
12
, the nose
16
may include a threaded slot
32
for receiving a tongue
34
having a correspondingly threaded projection
38
at is bottom end
36
. The slot
32
may be recessed into the surface of the top wall
56
of the nose
16
to define a shoulder
60
(shown best in
FIG. 10
) against which the bottom portion of the tongue
34
is snugly adapted to fit against. Such an arrangement is preferred to allow the rod
34
to counteract torsional forces applied against the chain
46
.
The queue clip
10
may include a spring-loaded retaining lever
42
mounted to two opposing arms or extensions
30
near the top wall
27
of the holder body
14
. Each arm
30
extends upwardly from a respective side wall
24
,
26
to provide clearance for the lever
42
to rotate about the top wall
27
. The bias of the spring
44
allows the lever
42
to counteract nominal or small forces applied against the chain
46
. In this manner, the chain
46
will be supported by the rod
34
until a sufficient force makes contact with the chain
46
that is greater than the load applied by the spring
44
. Such a force, for example, may be due to someone walking briskly into, or pushing horizontally on, the chain
46
.
To install the queue clip
10
, the user drills two holes through the side of the gate
100
and the queue clip
10
is secured with fasteners, such as fasteners
90
illustrated in
FIG. 1
which preferably include grade 8 bolts and nylon retaining nuts. Each bolt of the fasteners
90
is inserted through a mounting bore
92
that passes through the holder body
14
from the front wall
20
to the rear wall
22
. The second holder
62
that includes the coupler
64
is mounted to the same side of the other control gate
200
which is spaced apart from the first control gate
100
, in a similar manner as the holder
12
of the queue clip
10
.
In use, the control gates
100
,
200
are positioned at pre-designated locations. The spring-loaded retaining lever
42
(if there is one), if lifted up and the end link of a chain (which is preferably a standard hardened steel chain
46
), is placed onto the rod or tongue
34
of the queue clip
10
. The other end of the chain
46
is attached to the coupler
64
of the second holder
62
. Assuming the coupler
64
is not a closed loop, the end link may be slipped about the open end of the coupler
64
, as shown in FIG.
1
. Alternatively, should the coupler
64
be a solid loop, the other end of the chain
46
may be attached to the coupler
64
via any means, such as a key-ring style clip or the like.
FIGS. 5-7
illustrate how the chain
46
slides up and off the rod
34
due to an outward force F
O
being applied against the chain
46
.
FIG. 5
shows the chain
46
being supported by the rod
34
in an at-rest position. In this manner, the chain
46
hangs freely such that it rests in the juncture formed by the rod
34
and the top wall
27
of the nose
16
.
FIG. 6
illustrates the chain
46
sliding up the rod
34
due to an outward force F
O
acting against the chain
46
from its at-rest position as shown in FIG.
5
.
FIG. 7
illustrates the chain
46
sliding up and off the rod
34
due to a continuous outward force F
O
acting against the chain
46
from its transitory position as shown in FIG.
6
. As shown in
FIG. 7
, sufficient outward force F
O
has been applied against the chain
46
to counteract the bias of the spring
44
of the lever
42
such that the chain
46
is able to travel up and over the tip of the rod
34
. After the chain
46
is slid off the tongue
34
and/or released by the queue clip
10
, the guest
300
, who was previously confined by the chain
46
, can now freely pass between the control gates
100
,
200
.
FIG. 8
illustrates how the chain
46
does not slide up the rod
34
when an inward force F
I
acts against the chain
46
. As shown in
FIGS. 1-9
, the rod
34
is angled to the holder
12
such that the rod or tongue
34
extends outwardly from the top wall
56
of the nose
16
toward the front wall
20
of the body
14
. Due to such an orientation, the chain
46
is not permitted to slide up the rod
34
by a person applying an inward force F
I
against the chain
46
. Such an inward force F
I
may be created, for example, by a guest
300
who wants to ride an amusement ride but does not want to wait his turn, i.e., someone who is outside of a queue and is trying to cut into the queue. Thus, the queue clip
10
shown in
FIGS. 1-9
allows for only one direction of travel. An impatient guest
300
, therefore, cannot force inward entry between crowd control gates
100
,
200
.
FIG. 9
illustrates how the rod
34
is able to support a downward force F
D
, or a force in the vertical plane, applied against the chain
46
. In particular,
FIG. 9
shows a person or guest
300
sitting on the chain
46
. Due to the orientation of the rod angle to the holder
12
in the y-z plane and the strength of chain
46
, the weight of the guest
300
will be supported by the queue clip
10
. Thus, the queue clip
10
advantageously allows for high loads in the vertical plane, e.g., the weight of a sitting person, while being versatile enough to break-away or open up, when necessary.
Turning in detail to
FIG. 10
, a second preferred embodiment illustrates the holder
12
as having a pair of bores
80
,
82
for respectively receiving the tongue or rod
34
of the queue clip
10
. The bores
80
,
82
are preferably threaded. One bore
80
is configured to open toward the front wall
20
of the holder
12
, whereas the second bore
82
is configured to open toward the rear wall
22
of the holder
12
. Advantageously, this embodiment allows the tongue
34
to be retained in either bore
80
,
82
. In this manner, the user can set the control gates
100
,
200
at pre-designated locations regardless as to whether the side of the control gate
100
having the queue clip
10
mounted thereto is facing inward to where the queue will be or outward to where the queue will be. Accordingly, the user of this embodiment need not remount the queue clip
10
if the direction of release of the chain
34
is not as desired, rather, the user need only screw the tongue
34
into the other bore
80
or
82
.
Turning in detail to
FIGS. 11 and 12
, a third preferred embodiment illustrates the holder
12
may include a channel
66
adapted to receive the tongue
34
such that the tongue
34
is translatable within the channel
66
. The channel
66
may include a pair of socket members or chambers
68
,
70
separated by a recessed seating area
77
formed by a pair of detents
74
,
76
projecting into the channel
66
. The tongue
34
preferably includes a ball member
79
configured to fit within each of the chambers
68
,
70
. In at at-rest position, as shown in
FIG. 12
by the solid lines, the ball
79
is seated within the seating area
77
wherein the rod
34
is angled only with respect to the y-z plane (as shown for example in FIG.
3
). However, a guest in line
300
may apply sufficient pressure against the chain
46
to cause the ball member
79
to lodge into one of the two chambers
68
,
70
(as shown for example in
FIG. 12
by the dashed lines) to quickly release the chain
46
from the tongue
34
. To prevent nominal or small forces from forcing the ball
79
over one of the detents
74
,
76
and into a respective chamber
68
,
70
, a compression spring
72
may be disposed about the bottom portion of the rod
34
that is contained within the channel
66
. Advantageously, this embodiment allows quick release of the chain
46
from the tongue support
34
regardless of the guest's direction of movement.
Thus, a novel queue clip has been shown and described. Various modifications may of course be made, and various substitutions of equivalents may be used, without departing from the spirit and scope of the invention. The invention, therefore, should not be restricted, except to the following claims are their equivalents.
Claims
- 1. A queue clip comprising:a holder having a longitudinal axis; a substantially cylindrical rod extending from the holder at an acute angle with respect to a first direction substantially perpendicular to the longitudinal axis defined by the holder, wherein the rod also extends from the holder at an acute angle with respect to a second direction substantially perpendicular to the first direction, wherein the holder includes a threaded bore for receiving the rod such that the rod is integral to the holder.
- 2. A queue clip according to claim 1 further comprising a retaining lever mounted to the holder.
- 3. A queue clip according to claim 1 wherein the holder includes a concave rear wall.
- 4. A queue clip according to claim 1 wherein the holder includes a nose member having the threaded bore for receiving the rod.
- 5. A queue clip according to claim 4 wherein the threaded bore is recessed in the surface of the nose member.
- 6. A queue clip according to claim 1 wherein the holder includes a nose member and wherein the threaded bore includes a first threaded bore and a second threaded bore, each bore being adapted to receive the rod.
- 7. A queue clip according to claim 6 wherein the first threaded bore is recessed in the surface of the nose member and the second threaded bore is recessed in the surface of the nose member.
- 8. A queue clip according to claim 1 wherein the rod extends from the holder at an angle α from the axis defined by the holder in an x-y plane, wherein α is about 35° to about 55°.
- 9. A queue clip according to claim 1 wherein the rod extends from the holder at an angle β from the axis defined by the holder in a y-z plane, wherein β is about 35° to about 55°.
- 10. A queue clip for control gates comprising:a holder body, the body including a front wall, a rear wall opposite the front wall, a first side wall substantially perpendicular to the front wall, a second side wall opposite the first side wall, a top wall substantially perpendicular to the front wall, and a bottom wall opposite the top wall; and a cantilevered tongue being cantilevered off of the first side wall wherein the tongue extends upwardly toward the top wall, and wherein the tongue extends outwardly toward one of the front wall and the rear wall, wherein the holder body includes a nose member protruding from the first side wall of the holder body, the nose member including a threaded bore for receiving the tongue.
- 11. A queue clip according to claim 10 wherein the threaded bore is recessed in the surface of the nose member.
- 12. A queue clip according to claim 10 wherein the holder body includes a nose member protruding from the first side wall, the nose member including a first threaded bore adapted to receive the tongue such that when the tongue is received therein the tongue extends outwardly toward the front wall, and wherein the nose member includes a second threaded bore adapted to receive the tongue such that when the tongue is received therein the tongue extends outwardly toward the rear wall.
- 13. A queue clip according to claim 12 wherein the first threaded bore is recessed in the surface of the nose member and the second threaded bore is recessed in the surface of the nose member.
- 14. A queue clip according to claim 10 wherein the holder body includes a nose member protruding from the first side wall of the holder body, the nose member including a channel adapted to receive the tongue such that the tongue may be automatically oriented to extend outwardly toward one of the front wall and the rear wall.
- 15. A queue clip according to claim 14 wherein the tongue includes a ball at one end thereof, and wherein the channel includes first and second socket members each of the socket members being adapted to receive the ball.
- 16. A queue clip according to claim 15 wherein the channel includes a pair of detents separating the first socket member from the second socket member.
- 17. A queue clip according to claim 16 further comprising a spring disposed about the tongue for biasing the tongue within the channel between the pair of detents.
- 18. A queue clip according to claim 10 further comprising a retaining lever spring mounted to the first and second side walls of the holder body.
- 19. A queue clip according to claim 10 further comprising a second holder body spaced apart from the holder body.
- 20. A queue clip according to claim 10 wherein the tongue extends upwardly from the holder body at an angle α, wherein α is about 35° to about 55°.
- 21. A queue clip according to claim 10 wherein the tongue extends outwardly from the holder body at an angle β, wherein β is about 35° to about 55°.
- 22. A quick release latch comprising:a body having a front wall, a rear wall, a first side wall, and a second side wall, the body adapted for mounting to a first crowd control gate; a nose protruding from the first side wall, the nose including a top wall; a substantially cylindrical tongue extending from the top wall of the nose in an upward direction and wherein the tongue also extends in an outward direction that is substantially perpendicular to the upward direction; and a retaining lever spring mounted to the body.
- 23. A latch according to claim 22 wherein the top wall of the nose is inclined.
- 24. A latch according to claim 22 wherein the nose includes a threaded bore for receiving the tongue.
- 25. A latch according to claim 22 wherein the nose includes a first threaded bore and a second threaded bore, each bore being adapted to receive the rod.
- 26. A latch according to claim 22 wherein the nose includes a channel adapted to receive the tongue such that the tongue is pivotable within the channel.
- 27. A latch according to claim 26 further comprising a spring disposed about the tongue for biasing the tongue within the channel.
- 28. A queue clip for control gates comprising:a holder body for mounting to a control gate, the body including a front wall, a rear wall, a first side wall, a second side wall, a top wall, and a bottom wall, the holder body further including a nose member protruding from the first side wall of the holder body, the nose member including a channel adapted to receive the tongue; and a cantilevered tongue for supporting a chain, the tongue being cantilevered off of the first side wall wherein the tongue extends upwardly toward the top wall and outwardly toward one of the front wall and the rear wall, wherein the tongue includes a ball at one end thereof, and wherein the channel includes first and second socket members each of the socket members being adapted to receive the ball.
- 29. A queue clip comprising:a holder having an axis; a substantially cylindrical rod extending from the holder at an acute angle with respect to a first direction substantially perpendicular to the axis defined by the holder, wherein the rod also extends from the holder at an acute angle with respect to a second direction substantially perpendicular to the first direction, wherein the holder includes a nose member having a first threaded bore and a second threaded bore, each bore being adapted to receive the rod.
- 30. A queue clip comprising:a holder having a longitudinal axis; a substantially straight rod extending from the holder at an acute angle with respect to a first direction substantially perpendicular to the longitudinal axis defined by the holder, wherein the rod also extends from the holder at an acute angle with respect to a second direction substantially perpendicular to the first direction, wherein the holder includes a channel adapted to receive the rod such that the rod is pivotable within channel.
US Referenced Citations (25)