US2204330A

US2204330A - Door check

Info

Publication number: US2204330A
Application number: US317405A
Authority: US
Inventors: Paul H Travis
Original assignee: Individual
Current assignee: Individual
Priority date: 1939-09-15
Filing date: 1940-02-05
Publication date: 1940-06-11
Anticipated expiration: 1957-06-11

Description

J1me 1940- P. H. TRAVIS 2,204,330

- noon crgzzcx Original Filed Sept. 15, 1939 A IO 2' g: i

' FIG.5. F|G.6.

INV EN TOR.

' AUL H. TRAVIS BY flmw ATTORNEY Patented June 11, 1940 UNITED STATES I noon onsox Paul H. Travis, Detroit,;Mich.

Original application September 15, 1939, Serial No. 295,136. Divided and this application February 5, 1940, Serial No. 317,405

5 Claims.

This invention relates generally to door checks and constitutes a division of my application filed September 15, 1939, hearing Serial No. 295,136,

, which has become Patent No. 2,193,990, dated 5 March 19, 1940.

One of the essential objects of the invention is to provide a device of this kind that is normally concealed and that not only checks or limits the outward swingingmovement of the door, but also effectively cushions and absorbs shocks resulting from checking the swinging movement of the door. i

Another object is to provide a door check that is preferably made from a single strand of yieldable material such as spring wire.

Another object is to provide a door check that is simple in construction. inexpensive to manufacture, and easy to install.

Other objects, advantages and novel details of construction of this invention will be made more apparent as this description proceeds, especially when considered in connection with the accompanying drawing, wherein:

Figure 1 is a fragmentary horizontal sectional 25 view through a swinging door, supporting hinge pillar therefor, and door check embodying my invention, and showing the arrangement of parts when the door is in closed position;

Figure 2 is a view similar to Figure 1, but showing the door in open position;

Figure 3 is a detail side elevation of my door check structure;

Figure 4 is an end view of the door check illustrated in Figure 3;

Figure 5 is a detail side elevation of a slightly modified form of door check;

Figure 6 is an-end View of the door check illustrated in Figure 5.

Referring now to the drawing, A is the shank, B is the head, and C is the shock absorbing or cushioning element of a door check embodying my invention. 7

As shown, the shank A, head B and cushioning element C are formed from a single strand or piece of spring wire. Preferably the shank A comprises elongated return-bent portions l and II of the wire. Actually the wire is retum-bent upon itself in such a way that the head B and cushioning element C constitute extensions or continuations of the wire forming the shank. The return-bend of the wire at one end of the shank is preferably opened slightly to provide an eye l2 for the reception of a suitable anchor-- age member such as I3.

preferably comprises laterally extending, open, return-bent portions l4 and I5, respectively, of the wire. As shown, the return-bent portion I4 terminates adjacent the shank A and constitutes one end portion of the wire, while the return-,- I bent portion I is a part of the wire intermediate the shank A and cushioningelement C.

The cushioning element C comprises a coiled portion of the wire encircling and substantially concentric with the shank A. One end of this 10.

coil is free while the other end connects into and forms an extension of the return-bent portion of the head '3.

In use, the door check extends substantially horizontally between the door D and its supporting hinge pillar E. Preferably the anchorage member I 3 is in the form of a pin and is carried by two spaced angle plates l6 fixed to the door D. The hinge pillar E is hollow and is provided in one wall I! thereof with a slot l8 for receiving the shank A of the door check. The cushioning element C and head B are located within the hollow pillar E so that the cushioning element C is engageable with the wall II to limit the outward swinging movement of the door when the latter is opened. The cushioning element C is, of course, compressible longitudinally of the shank A and is limited in such movement by the head B. Ifdesired, the arrangement just described may be reversed, i. e., the anchorage member I 3 may be secured to the hinge pillar E, and the door D may be apertured to receive the shank A. In either instance, the door D would be yieldably checked when opened.

In Figures 5 and 6 I have illustrated a slight modification wherein a single length of spring wire forms the shank 20 and is provided at opposite ends thereof with an eye 2| for an anchorage member and a coiled spring cushioning element 22. As shown, the eye 2| is formed by an end portion of the eye being return-bent upon the shank, while the coiled spring 22 is formed by coiling the other end of the wire in substantially concentric relation about the shank 20.

In each instance where wire is used it is to u be understood that the wire is tempered spring steel.

Thus, from the foregoing it will be apparent thatthe door checks shown and described herein are simple yet strong and durable in. construction and can be manufactured at a comparatively low cost. It also will be apparent that each form shown includes means for effectively cushioning or absorbing shocks resulting from checking the u swinging movements of the doors to which they are applied.

What I claim as my invention is:

1. A door check having a shank and a cushioning element carried thereby, the shank and cushioning element being formed from, a single strand of wire, one portion of the wire being elongated in form and constituting the shank, and another portion of said wire being coiled about the shank in substantially concentric relation thereto and constituting the cushioning element.

2. A door check having a shank and a cushioning element carried thereby, the shank and cushioning element being formed from a single strand of wire, one portion of the wire being return-bent upon itself and constituting the-shank, and another portion of said wire being coiled about said shank in substantially concentric relation thereto and constituting the cushioning element.

3. A door check havin'g a shank and a cushioning element carried thereby, the shank and cushioning element being formed from. a single strand of wire, one portion of said wire being elongated in form and constituting the shank,

another portion of said wire at one end of said shank being return-bent and coiled about the shank in substantially concentric relation thereto and constituting the cushioning element.

4. A door check having a shank and a cushioning element, both the shank and element being formed from a single length of wire, the shank being elongated in form and constituting returnbent portions of the wire, said shank being provided at one end with a head and at the other end thereof with an eye, the head comprising laterally bent extensions of the return-bent portions of the wire, and the cushioning element being in the form of a coil encircling the shank adjacent the head and constituting an extension of one of the laterally bent portions of the wire.

5. A door check having a shank and a cushioning element, the shank being formed of Wire and being elongated in configuration, said shank being pro-vided at one end with an eye for an anchorage member and provided at its other end with a laterally extending portion constituting a head, and the cushioning element being a coil of wire encircling the shank and secured to the head aforesaid.

' PAUL H. TRAVIS.