US2204331A - Door check - Google Patents

Description

June 1 l, 1940.

P. H. TRAVIS DQOR CHECK Original Filed Sept. 15, 1939 INV EN TOR.

S E N R m m T v A A R M H L U M BY l Q (coinin ((114 85) Patented June ll, 1940 r I I I I I 1 UNITED; STATES jPATENTWOFFICE] noon CHEGKI v -Paul H. Travis, Detroit, Mich. 7 Original application September 15", 1939, sonar No. 295,136; Divided and this application" I I February '5', 1940; Serial No. 317,406

This invention relates generally to *do'or fthat the' elongated portions I5 and IG- contact checks and constitutes a division of my applicaeach other, throughout substantially their en ;tion filed September-1'5, 1939, hearing Serial No. tire length. 1 The' 'returnbend ll of the wire at 295,136, which has become Patentf-No. 2,193,990, one endofthe shank is preferably opened slightly dated March 19, 1940; j I to provide an eye IS for the receptionofasuib 15 One of the essential objects of the invention ab e anc flra mber Such. as [9. The 'en'd is to provide ad'evice of this kind wherein proportions? 2|, v i p y, the'"wil vision is made for j effectively absorbing or cu'shthe other,;end'of the shank are preferably Q- ioning shocks resulting from checking the out- Shaped and extend laterally relative to the shank -10 ward swingingmovernentsof a door.

Another obect 'is to provide afstructure ioningtelement A. y wherein'the'shank is separatefrom and movable v In use, the door check ext-ends substantially i're'ely relative to the cushioning element which j horizontally between the door'Eand its'supp'ortpreferably is anchored to the hinge pillar for ing hingepillar D. Preferably the anchorage the 'door. I inemberWQ-is in the form of a pin and is ear-nee 'Another object is to provide a strong and by two spaced angle plates '22 fixed to the doo-r EL durable device that is simple in construction, The hinge pillar D is hollow and forms a housing economical to manufacture, and easy to install. I for the attaching'plate B, Cushioning e eme t Other objects, advantages and novel details A andb s apfi d portions, and'2l of the 20 of construction of this invention will be made wire forming the shank. When the door E- is 20 -more apparent as thi'sdescription proceeds, es'pe- Opened, the C-shaped portions 20v and M of the cially when considered in connection with the. Wire forming the shank will abut the free end accompanying drawing, wh rei of the fcoiLA constituting the cushioning ele- Figure l is a fragmentary horizontal sectional r t d W ll n t O yc v Op mOVeview through a swinging door, supportinghinge merit of thedoor butwill' cushion and absorb any 25 pillar. therefor, and door check embodying my in- 1 shocks resultingirom the checking action. The vention, and showing the arrangement of parts I Cushioning e e t -A is, of Course." compressible.

when the door is in closed position; j n it a of t n C d is im ted in Figure 2 is a view similar to Figure l; but suchmovement by the'attaching plate B.

showing the do r i o n position; a Thus, from the'foregoing, it will be, apparent 30 Figure 3 is adetail .side elevation of the door that the door check shown anddescribed herein h ck st u tur 4 is simple yet strong and durable in construction I Figure 4 is an end view of the door check strucand can b u c d at a pa ive v- I ture illustrated in Figure 3, with the attaching low'o'ost. It will also be app tth'st uc plate removed. v I ture shown includes means for .efifectivelyxcush- 35 .Reierring now to the'drawing, A is the cushioning or absorbing sh ks r tingfrom checkioning element, B is the attaching plate .there- 'irig the swinging movement of the door to for, and C is the shank of adoor check structure which it is applied. I v embodyin my invention 1 WhatI claim as my invention is:., AS Shown, the cushion n 8161mm A is 1. A door check having a shank and a cush 40 f p Wire Separate. f and Substantially Yioning element, the shank being formed from a a contentric With t o end Of h single, strand of wirereturn-bent upon itself, cushioning element A is e toithe attaching the return-bend ofthe-wire'being enlarged to plate While t Other end is free- In form an eye, the freeends of the wire being bent for engagement. With "the fre'ei'end of the cushy e10 r present instance the attaching plate B i s ur d laterally into substantially (z-confi u atio and-.4 5

o a W l Ofthe p D and ha 1 D the cushioning 'element being formed from an tions II embra in the W B' l fl other strand. of wire, an,d being sleeved. in subvolution l 0f t e OllShIOnlng element I stantially'concentric relation upon the shank The shank Cextends through the cushioning? between the eye; and G-shaped end portions element Aand through-aligned openings l3and." aforesaid. I j 50 l4, respectively, in the attaching plate B and 2. A door" check having a shank and a cushwall ID of the pillar. Preferably this shank I ioning element, the: shank being elongated in comprises elongated return-bent portions ,lfi'and "configuration and formed'iroma singlestrand l6, respectively, of spring wire. Actually the of wire, the cushioning element being a coil 1 I 5 wire is return-bent upon itself in such a way formed. from anotherstrand of wire and encircling the shank intermediate its ends, said coil being anchored at one end, and the shank being movable freely lengthwise of the coil and having a laterally extending portion engageable with the free end of the coil.

3. A door check having an attaching plate, a shank, and a cushioning element, the shank extending through the attaching plate and being formed from a single strand of wire return-bent upon itself, the return-bend of the wire being enlarged to form an eye for an anchorage memher, the free ends of the wire being bent laterally into substantially C-configuration, and the cushioning element being formed from another strand of wire and being sleeved in substantially concentric relation upon the shank between the attaching plate and C-shaped end portions aforesaid.

4. A door check having an attaching plate, a shank, and a cushioning element, the shank extending freely through the attaching plate and being formed from a single strand of wire, said shank being provided at one end with an eye for an anchorage member and provided at its other end with a laterally extending portion, said shank being movable longitudinally through the attaching plate, the cushioning element being a coil formed from another strand of wire and being sleeved in substantially concentric relation upon the shank between the attaching plate and laterally extending portion aforesaid, one end -of said coil being fixed to the attaching plate, the other end of said coil being free in the path of and serving as a yieldable buffer for the laterally extending portion of the shank.

5. A door check having an attaching plate, a shank and a cushioning element, the attaching plate having an opening therein, the shank extending freely through the opening in the attaching plate and being formed from a single strand of wire return-bent upon itself, the return-bend of the Wire being upon one side of the attaching plate and enlarged to form an eye for an anchorage pin, the free ends of the returnbent wire being upon the other side of the attaching plate and bent laterally into substantially C-configuration, said shank being movable longitudinally through the opening in the attaching plate, the cushioning element being a coil of wire sleeved in substantially concentric relation upon the shank between the attaching plate and C-shaped end portions of the shank, one end of the coil being fixed to the attaching plate, the other end of said coil being free in the path of and serving as a yieldable buffer for the C- shaped portions of the shank.

6. A door check having an attaching plate, a shank, and a cushioning element, the shank extending freely through the attaching plate and being formed from a single strand of wire, said shank being provided at one end with an eye for formed from another strand of wire and being sleeved in substantially concentric relation upon the shank between the attaching plate and laterally extending portion aforesaid.

PAUL H. TRAVIS.

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