US1795590A - Door catch - Google Patents

Description

G. R. ADAMS March 10, 1931.

DOOR CATCH A Filed Sept. 18, 1929 Patented Mar. 10, 1931 UNITED STATES PATENT orrics GEORGE R. ADAMS, OF LOS ANGELES, CALIFORNIA, .ASSIGNOR TO L. C. SACHS, OF LOS ANGELES, CALIFORNIA DOOR CATCH Application filed September 18, 1929. Serial No. 393,445.

My invention rola-tes to catches which are used to maintain doors and the like in a closed posit-ion.

Catches ot this type usually have a handle which may be grasped for opening and closing the door. An operating means for releasing a catch member in the catch is usually 1ncorporated in the handle so as to be operated by the same hand which grasps the handle, the catch member being released by turning or sliding the handle relative to the body. My invention comprehends a catch of this class wherein the catch member is released by depressing a button on the catch and further comprehends a catch in which the button is incorporated in the handle so that the catch may be released and the door opened with the same hand.

It is an object of my invention to provide a catch of the above class which is releasable by grasping a handle of tie catch between two lingers of one hand and by depressing through the handle. Y

Another object is to provide'a novel linkage between the push button and a catch niember in the catch so that the catch member is released when the push button is depressed.

The type ot catch I have used in the preferred form ot my invention has a catch inember which is movable longitudinally of the catch body members having other releasing` means may be used, it desired. i f

A. further object is to provide a novel linkage between the push button and av catch member ot theabove `class in which a movenient ot the push button transversal'ly ot' the catch body is translated int-o a movement longitudinally .oiI the catch vbody for releasing the catch member.

Another object is to provide a linkage of this type which has toggle links operatively connecting the body and the catch member .ind engageable by the pnsh button so as to release the catch member when the push button is depressed. y'

Another object is to provide a novel attachment between the catch member and the togto release the catch7 but catch is slidable in anl enlarged catch member.

lt is also an object to provide a detachable handle for a catch of the above class so as to permit the catch to be fitted with various ornamental handles.

Various other objects and advantages are evidenced in the construction of the preferred form of my device.

In the drawings, Fig. 1 is a perspective view showing the utility of a device of my invention;

Fig. 2 is a sectional view taken on a. plane indicated by the line 2-2 of Fig. 1 showing the parts in a normal position;

Fig. 3 is a sectional view taken the saine as Fig. 2 showing the parts in a released position;

Fig. l is a sectional View taken as indicated by the line 1 -4 of Fig. 2;

Fig. 5 is a perspective view showing the opening in the lparts in the order of their assembly; with the thumb a push button extendingy f alternative form ot my invention.

Fig. 6 is a sectional view of a part of an Referring to Fig. 1, I have shown a catch 11 of my invention which may be attached to a door 12 and which is engaged with a conventional keeper 13 attached to the door face 14 so as to hold the door 12 closed. As clearly shown in Figs. 2 to 4, the catch 11 has a housing o1' box-shaped body 16 along the sides of which are attachment flanges 1?. The body 16 has an opening 1S in the side between the flanges 17 and has a. truste-conical turret 20 formed on the opposite side. Adapted to surround the turret- 2() is a glass handle 21 which has a fi'usto-conical Vportion 24: adapted to fit over the turret 20 and a flanged head 25 at thc end ot the truste-con ical portion 24, the handle 21 being tliusadapty ed to be grasped between the first and second fingers ot the hand when releasing the catch. The handle 21 is secured to the catch 11 by a nut 28 which is threaded to the turret 2O and which has an annular flange 29 resting in an annular opening 30 in the handle 21. The nut 28 is provided with a central opening Gti 34 which connects with an opening 35 in the i l turret 20 and an opening 86 in the bodyl '16. gle link in which an endet the toggle link ExtendingY longitudinally of the opening 36 and of the body 16 is a catch member 40 having large and small rectangular portions l1 and 42 which are respectively slidable in rectangular openings is and l5 in the ends of the body 16. The end otl the large rectangular portion 41 has an angled face 46 for engagingthe keeper 13 in a well-known manner, the catch member et() being forced into engagement therewith by a compression spring surrounding the Ismall portion 42 and being compressed between the body 1G and a shoulder' 51 formed between the large and small portions Ll1 and 42.

The catch member 40 is moved from a normal position, as shown in Fig. 2, to a released position, as shown in Fig. 3, by an operating means 5ft ot my invention. The operating means 54 includes a primary operating member 55 having a cylindrical portion 56, the end of which is rounded to form a push button 58 and which is extended through the opening 311 so that the push button 58 may be depressed by the thumb of the operator when the handle 21 is grasped by the fingers in releasing the catch l1. The cylindrical portion 56 is of smaller diameter than the opening 3st so as to extend therethrough and permit the primary member 55 to move to an angled position, as shown in Fig. It is also tapered midway of the primary member 55 to a reduced diameter portion 60 which is slidable in a circular opening (i1 in the catch member L10, the opening` 61 being sut'- ficiently enlarged to prevent binding when the catch member l and the primary member 55 are moved to the released position. as shown in Fig. 3.

Cooperating with the primary member is a secondary operating member (32 having a yoke G3 formed at one end, the yoke tl being pivotcd to the primary member b v a pin 64 extending through openings in the yoke (33 and primary member The secondary member G2 extends through an elongated openin G6 in the catch member 10 and the other end thereof pivotcd, in a manner to be subsequently explained, as at (3T relative to the body 16 so as to form a bent toggle lioint between the primary and secondary members and 62.

The pivoting at 67 is accomplished by a retaining member 70 which closes the opening 1S in the side oi the body 16 and which provides a hook 71 at one end, which hoolf. 71 extends inside the body 16 and pivotally engages a slot .72 in the end ot the secondary member 62. The end of the retaining member 70 is thus pivotally held between the hook 71 and the end wall of the body 16. The retaining member 70 has side walls 74 which extend inside the body 16 and normally spring outward to trictioually engage the body 1G and hold the retaining member 70 in place. A portion of each 01' the side walls 74@ of the retaining' member 70 is eut and turned down to form supports 76 for the catch member 10 when it is in the released position, as shown in Fig. 3.

In the operation ot my invention, the handle 21 is grasped between the first and second lingers of the hand ot the operator and the push button 58 is depressed by the thumb. The depressing oi. the push button 58 moves the primary member 55 relative to the body 1G, swinging the pin (i4 about the pivot 67 to a position A. as shown in Fig. il, and mov ing the primary member into engagement with the nut 28 at the point B. This forms toggle links ot the primary and secondary members 55 and (S2 as indicated by the line C-C ot Fig. Further depression of the push button 58 causes the toggle links to rotate relative to each other and causes a rotation of the primary member 55 relative to the body 1G. Bue to the engagement of the reduced diameter portion (3() otthe primary member 55 with the walls of the opening G1 in the catch member 10, the catch member 10 is caused to slide relative to the body 1G against the action of the spring 5l). During this movement, the reduced diameter portion (SO of the primary member 55 slides in the opening (31 and the secondary member (52 moves relative to the catch member in the opening (S6. lVhen the push button 5S is fully depressed the parts are moved to the fully released position. as shown in Fig. 3, and the door 12 may be opened by pulling on the handle 21. Upon releasing the push button 58 the spring 50 moves the catch member 41() to the normal position and duc to the cngagi-anent ot the parts the primary and secondary members and ($2 are also returned to the normal position7 as shown in Fi 2.

1t should be noted that the size of the opening GG is made such that when the catch 11 in the normal position, thc rear wall ot the opening (S6 engages the secondary member 62 and acts as a stop to prevent further torward movement of the catch mem` ber 10.

In order to disassemble my device it is only necessary to remove the retaining member T0 from trictional engagement with the bodyv 1G. This releases the end ot the secondary member (l2 and permits the apparatus inside the body 16 to be removed theretrom. The retaining member 7() is normally held in the body 1G by trictional engagement and it is also held in the body 1G when the catch 11 is secured to a door 12 by being held between the catch 11 and the door 12. This prevents the retaining member from becoming accidentally detached from the body 16 when the catch is installed for use.

In Fi g. 6, I have shown an alternative form of my invention in which the glass handle 21 and nut 28 are replaced by a metal handle 86 which has a threaded tiange 81 for tl read- Elfi ing on the turret 20. Other types of handles may be used to secure various ornamental etlects as desired.

Various modifications may be made in my device without departing from the spirit ot my invention. The catch member l() which l, have used is movable longitudinally ot' the body 1G, but this may be replaced by catches having other movements. It should also be noted that the primary andsecondary members and are essentially a pair ot toggle links which operatively connect the body 16 to the catch member et). It is possible to provide the attachment between the primary member 55 and the catch member l0 with a pivotal connection and to form the push button 58 separately from the primary member 55, the push button 58 engaging the toggle links so as to release the catch member 40 when the push button 58 is depressed.

l claim as my invention:

1. In a catch, the combination of: a body adapted tor detachable connection to a support; a handle on said body adapted to be grasped between two fingers of a hand; and a push button extending through said handle and adapted. to be moved transversely of said body when depressed by a thumb so as to release said catch.

2. In a catch, the combination of: a body adapted for detachable connection to a snpport; a catch member carried by said body and movable relative thereto; a handle on said body adapted to be grasped between two tingers of a hand; a push button extending through said handle and adapted to be moved transversely of said body when depressed by a thumb; and means operatively connecting` said catch member and said push but-ton for moving said catch member relative to said body when said push button is depressed.

3. In a catch, the combination of: a body adapted for detachable connection to a support; a catch member carried by said body and movable longitudinally thereof; a handle on said body adapted to be grasped between two fingers ot a hand; a push button extending through said handleV and adapted to be moved transversely ot said body when depressed by a thumb; and means operatively connecting said catch member and said push button for translating said transverse movement of said push button into a longitudinal movement etllective to move said catch member.

4f. In a catch, the combination of: a body; a catch member carried by said body and movable relative thereto; a handle on said body adapted to be grasped between two l lingers of a hand; a push button extending through said handle land adapted to be depressed by a thumb; a primary operating member operatively connecting said catch member and said push button; and a secondarv operating member carried by said body and operable to move said catchl member through said primary member when said push button is depressed.

ln a catch, the combination of: a body; a catch member carried by said body and movable longitudinally thereof; a handle on said body adapted to be grasped between two lingers ot a hand; a push button extending through said handle and adapted to be moved transversely of said body by a thumb; a primary operating member operatively connecting said catch-member and said push button; and a secondary operating member carried by said body and operable to move said catch member longitudinally of said body through said primary member when said push button is depressed.

6. In a catch7 the combination of: a body; i

Vpush button is depressed.

7. In a catch, the combination ot: a body; a catch bar carried by said body and movable longitudinally thereto to an advanced and a retracted position; a handle on said body, said handle having an opening therein; a primary operating member operatively connected to said catch bar; a push button on said primary member; said push button ex'- tending through said opening in said hanfillc and being depressible to move said primary member; a secondary operating member arried by said body and operable to move said catch member from said advanced to said retracted position through said primary member when said push button is depressed; and resilient means for moving said catch member from said retracted to said advanced position. Y

8. In a catch, the combination ot: a body; a catch bar carried by said body and movable relative thereto, said catch bar having an opening therein; a handle on said body, said handle having an opening therein; a prim ary operating member having a portion thereol sliding freely in said opening in said catch bar; a push button on said primary member. said push button extending through said opening in said handle and being depressible to move said primary member.; and a secondary member pivoted relative to said body and to said primary member and operable to move said catch member through said primary member when said push button is depressed.

9. In a catch, the combination of: a body; a catch member carried by said body and ltsn movable relative thereto; a handle on said body adapted to be grasped between two lingers ot a hand; a push button extending through said handle and adapted to be moved transversely ot' said body When depressed by a thumb; toggle means operatively connecting said eateh member and said push button for moving said eateh member relative to said body when said push button is depressed; and

--means for frietionally engaging said body and retaining said toggle means in operating relationship to said catch member and said push button.

10. In a Catch, the Combination ot: a` body;

" a eatch bar Carried by said body and movable relative thereto; a handle on said body; said handle having an opening therein; a primary operating member operatively connected to said eateh bar; a push button on said primary member; said push button extending through said opening in said handle and being depressible to move said primary member; a retaining member frictionally secured to said body; and a secondary operating member earried by said retaining member and operable to move said Cat-eh member through said primary member when said push button is depressed.

1l. In a eatel1,tl1e Combination of: a retaining member trietionally secured to said body; a body adapted for detachable connection to a support; a. catch member carried by said body and movable in said retaining member; a handle detachably secured to said body adapted to be grasped between two fingers of a, hand; a push button extending through said handle and adapted to be moved transversely of said body when depressed by a thumb; and means operatively connecting `said eateh member and said push button for moving said eateh member relative to said body when said push button is depressed.

12. In a catch, the combination of: a body adapted for detachable connection to a support; a Catch member carried by said body and movable relative thereto; a handle on said body adapted to be grasped betiveen two lingers of a hand; a push button extending through said handle and adapted to be moved transversely of said body when depressed by a thumb; and toggle links operatively Connecting said body, said eateh member and said push button for moving said Catch member relative to said body when said push button depressed.

13. A eateh as defined by Claim 12 in which said push button is formed integrally with one of said toggle links.

In testimony whereof, I have hereunto set my hand at Los Angeles, California, this 13th day ot' September, 1929.

GEORGE R. ADAMS.

CERTIFICATE OF CORRECTION.

Patent No. ,795,590. Granted March 10, 1931, to

GEORGE R. ADAMS,

It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 4, lines 29 and 30, claim 11, strik@ out the words "a retaining member frictionaily secured to said body;" and insst the same after the word "support" in iie 32, same caim; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 21st day of April, A. D. 1931.

M. J. Moore, (Seal) Acting Commissioner of Patents.

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