Door knob handle

Information

  • Patent Grant
  • 6751827
  • Patent Number
    6,751,827
  • Date Filed
    Saturday, September 14, 2002
    22 years ago
  • Date Issued
    Tuesday, June 22, 2004
    20 years ago
  • Inventors
  • Original Assignees
    • (Mountain View, CA, US)
  • Examiners
    • Browne; Lynne H.
    • Boswell; Christopher
Abstract
A new leaver's attachment to a conventional round or oval shape type door knob, an effect for easy turning of any round or oval shape of knobs, the easy to install and remove attachment is for use primarily or portably by disabled persons and child to open a door.
Description




FIELD OF THE INVENTION




The present invention relates to round and oval shape conventional door knob, which are a removable handle to door knobs to accomplish an easier turning function, thereof are intended to assist the person with difficult by turning on a round and oval shape conventional door knob and to open that door.




DESCRIPTION




a. Human Factors Appreciation




Elderly, persons with arthritis, children or person carrying thing with both hands quite frequently have difficultly in turning a conventional rotation type door knobs. In many cases, it becomes necessary for such people to replace the door knobs and related fastener hardware due to their experienced difficulty in opening and closing a door.




b. Commercially Availability




At present, there are no commercially available items which could be easily attached to an existing door knob, where such device could be more easily to manage during a rotation action. There appears to be such a need for a device which can be attached to conventional door knobs, the present invention significantly will fulfills this need.











An attachment drawing of the invention is used in a rotary door knob; this patent discloses a formed sharp lever attachment for a round door knob secured by a clamp.




As shown in

FIG. 1

, the circular door knob handle of the present invention is comprising a handle on rotate then pull or push open a door, wherein the handle is disposed on the circular opening side of cup shape

FIG. 1-1

and clamp on the handle portion.




As shown in

FIG. 2

, the circular door knob handle cup area

FIG. 2-2

is formed as an open surrounding inner shape for gripping on to the door knob; a fastener tools

FIG. 2-3

to assist the screw to compress the cup and handle to the knob, then plugs it back into the hole at the end of the handle

FIG. 2-4

until next time to use.




As shown in

FIG. 3

, light curve on the top of the inside shell with a foam alike cushion will provide full contact to the surface of the knob; smooth exterior surfaces and soft rounded corners are all around on the handle

FIG. 3-5

. A long set-in shape area on

FIG. 3-6

for screw head to eliminates the potential for injury.




As shown in

FIG. 4

, circular opening to fit most round or oval shape door knob, also accomplish as a clamp function to hold on the door knob by a build in thread inside: the handle and screw to. A screw turner

FIG. 4-7

is provided for threading the screw.




As shown in

FIG. 5

, the entire assembly manufactured from a strong material, such as high impact plastic, or from metal such as aluminum, or the like. An open place

FIG. 5-8

is provide for compressing, the inner shell is reduced to make a firm hold, the wide handle portion give a gripping hand a better hold on the lever. End of the handle's fastener tools resting opening can bowl a cord for pull down to open the door.




As shown in

FIGS. 6 and 7

, the fastener has build-in different shape of finger gaps for a better rotation holding.




As shown in

FIGS. 8 and 9

, handle portion area

FIG. 8-9

and

FIG. 9

with softer shape, wider and digger are enhanced hand gapping and pushing function.




As shown in

FIGS. 10

,


11


,


12


, the circular door knob handle cup area

FIG. 12

is formed as both side open round encompassing inner shape for holding on to the door knob, soft tape type show on

FIG. 12

inside wall is for secure with full contact from the center point to side surface of the door knob.




SUMMARY OF THE INVENTION




The entity of the present invention is to offer a “Add on door knob handle” which is a push or press handle that installed on the one or both side of the round or oval shape door lock and knob, so that the children, person or while carrying heavy objects, can reduced effect faction to unlock the door only through a certain part of human body or holdings to use by that person without assistance.




To take the advantage of modem manufacturing method, the present invention can produce by casting with plastic or metal to form a dynamic shape to achieve the best liaison between form of product and ergonomics.




BRIEF DESCRIPTION OF THE DRAWINGS




The invention will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:





FIG. 1

is a perspective view of the door knob handle for the present invention.




1. Outside shell of the cup portion.




2. Open end of the cup with space to compress to the handle portion.




3. A round and soft crave for all around the handle portion.




4. Resting area for fastener rotation tools.





FIG. 2

is a perspective and cut out view of the door knob handle for the present invention.





FIG. 11-30

Cup shell is formed with an oval shape wall.





FIG. 11-31

Comprises a continuous strip of flexible foam rubber.





FIG. 11-32

A fastener rotation tools for to rotate the fastener.





FIG. 11-33

A hole for fastener rotation tools where for resting.





FIG. 3

is a side cut-off view of the door knob handle for the present invention.





FIG. 3-9

Cup shell on the top portion is formed with an oval shape wall.





FIG. 3-10

A round and soft crave for all around the handle portion.





FIG. 3-11

A hole to holding and positioning the fastener.





FIG. 3-12

A continuous strip of flexible foam rubber around the inner wall.





FIG. 4

is a front cut-off view of the door knob handle for the present invention.





FIG. 4-13

An open round wall shape to match the shape of door knob.





FIG. 4-14

A set in area to hide the fastener from uncomforting contact.





FIG. 4-15

A standard replaceable fastener.





FIG. 4-16

A rotation tools for to rotate the fastener.





FIG. 4-17

Where the rotation tools rest when not in use.





FIG. 4-18

An inside threaded handle body for fastener.





FIG. 5

is a front cut-off view of the door knob handle for the present invention.





FIG. 5-19

An extended open portion for compress the cup wall to hold the door knob in permanent position.





FIG. 5-20

A fastener tool on position to rotate the fastener.





FIG. 5-21

A round and soft crave for all around the handle portion.





FIG. 5-22

A body appearance with the stand out color and light glow in the dark plastic.





FIG. 5-23

Where the open end of the threaded hole.





FIG. 5-24

Where the fastener tightened to compress the cup's inner wall to have a firms hold on the door knob.





FIG. 5-25

A thin out-side wall as function for easy to coagulate the banding of the cup.





FIG. 6

is a perspective view of a rotation tool of the present invention.





FIG. 6-26

A rotation tool with knurl for easy grabbing.





FIG. 7

is a perspective view of a rotation tool of the present invention.





FIG. 7-27

A rotation tool with center strip for easy grabbing and any extend flat tools as dinner knife or similar to assist to rotate the fastener.





FIG. 8

is a perspective view of the door knob handle for the present invention.





FIG. 8-28

A free form of handle portion with shape of a human inner hand holding posture for maximum comfort.





FIG. 9

is front view of the door knob handle for the present invention.





FIG. 9-29

A free form of handle portion with shape of a human inner hand holding posture for maximum comfort.





FIG. 10

is a perspective view of the door knob handle for the present invention.





FIG. 10-30

Outside shell of the cup portion.





FIG. 10-31

Open end of the cup with space to compress to the handle portion.





FIG. 10-32

A round and soft crave for all around the handle portion.





FIG. 10-33

Resting area for fastener rotation tools.





FIG. 11

is a perspective and cut out view of the door knob handle for the present invention.





FIG. 11-34

Cup shell is formed with an oval shape wall.





FIG. 11-35

Comprises a continuous strip of flexible foam rubber.





FIG. 11-36

A fastener rotation tools for to rotate the fastener.





FIG. 11-37

A hole for fastener rotation tools where for resting.





FIG. 12

is a side cut-off view of the door knob handle for the present invention.





FIG. 12-38

Cup shell on the inside portion is formed with an oval shape wall.





FIG. 12-39

A round and soft crave for all around the handle portion.





FIG. 12-40

A hole to holding and positioning the fastener.





FIG. 12-41

A continuous strip of flexible foam rubber around the inner wall.



Claims
  • 1. An attachment for doorknobs comprising:a handle body having a lever portion and an integral clamp portion having a cylindrical surface connected to the lever portion for releasably gripping door knobs of varied contour; a member depending from said clamp portion, and spaced closely adjacent the lever portion; a screw connecting said depending member and said lever portion together and readily detachably connecting said cylindrical surface to a door knob, wherein said clamp and said depending portion are interconnected; and at least one storage compartment within said lever portion, wherein said storage compartment is adapted to receive and hold a fastener tool, where said fastener tool is used to actuate said screw.
  • 2. The attachment for doorknobs of claim 1, where the inside of the clamp is formed as an arc shape for holding a doorknob.
  • 3. The attachment for doorknobs of claim 1, where said handle body is manufactured by casting, and machining the threads into the lever portion.
  • 4. The attachment for doorknobs of claim 1, wherein said handle body is made from glow in the dark material.
  • 5. The attachment for doorknobs of claim 3, wherein said handle body is made from glow in the dark material.
US Referenced Citations (10)
Number Name Date Kind
2756088 Sutter Jul 1956 A
3827739 Overholser Aug 1974 A
4397489 Lind Aug 1983 A
4504087 Pennington Mar 1985 A
4783883 Szalay Nov 1988 A
4913479 Allison Apr 1990 A
5008551 Randolph Apr 1991 A
5501494 Willetts Mar 1996 A
5664287 Sendelbach Sep 1997 A
5813805 Kopras Sep 1998 A