US1868746A

US1868746A - Doorlock

Info

Publication number: US1868746A
Authority: US
Inventors: Francis D Hardesty
Original assignee: Individual
Current assignee: Individual
Priority date: 1930-10-20
Filing date: 1930-10-20
Publication date: 1932-07-26
Anticipated expiration: 1949-07-26

Description

July 26f 1932 F.; D. HADgsTY 1,868,746

` I DoQRiLoX v l Filedfot. 20; 195o IN VENT 0R the parts of the invention.

Patented July 26, 1932 Unirse STATES FRANCIsD. HAB-DESTY, or FERNDALE, Mrcnrelu;

DooRLooK A Application led October 20, 1930. Serial No. 489,728.y

10, ily understood that rotation of the handle and therefore of its squared shaft, causes rotation of the rocker arm and correspondingly sliding retraction of the bolt.

An object of this .invention is a push button control for locks of the character above described and adapted to be substituted for the handle commonly provided, the control including a crank having a squared shaft fitting in the squared hole of the rocker arm in place of the squared shaft of the handle,

and links connected to the rocker arm and to the push button plunger and adapted to be moved by the latter to cause rotationof the rocker arm and sliding retraction of the boa.

t is contemplated, tho not deemed necessary, to mount the push button plunger in the hole in the door formerly occupied by the shaft of the handle. In this manner superfluous alteration of the doors heretofore provided will be eliminated, the only changes being in the removal of the handle and its squared shaft and the substitution of the push button control means forming the invention.

It is also contemplated to provide on the door or on the door post, spring means which will cause the door to swing open a slight distance as soon as the bolt is retracted such means being desirable indoors of this character which do not have handles by which the door can be opened when the bolt has been retracted.y

Still other objects will readily occur to those skilled in the art upon reference to the following description and the accompanying drawing in which Fig. 1 shows,.in plan, a lockprovided with Fig. 2 is a front elevation view of the. same. l y. f

Fig. 3 is a side View of the same.

Fig. 4 is a more or less diagrammatic View of the construction In the drawing, part-s which form no part of the present invention except insofar. as they cooperate with the novel parts, are iiidicated by light lines and the parts which have been added are indicated by the heavy lines as will be seen. j

The door lock, as shown, is mounted upon a plate 10 which has va bent up portion 12 embedded in theedge of the door. Pivotally mounted on the plate 10 is ya rocker arm 14 adapted, when rotated, to cause the bolt 16 to be retracted against theinfluence of the spring 18. The rocker arm 14, the bolt 16,L and the lspring 18 are mounted between the back 10 and the cover plate 20, the arm ro-` 7G tating upon a thimble, not shown, in which is a square hole.

Heretofore therehas been disposed inthe square hole a square shaft connected to and forming'part of a door handle andit is obvious that rotation of the handle and therefore, of its squared shaft, will cause rotation of the rocker arm to the left and retraction of the bolt 16, also to `the left (Fig. 2). f

By the present invention,.the` squared shaft and the handle have been' eliminated and there is provided a crank having a squared shaft 32 fitting Yin the squared hole in the rocker arm. yThe endof the crank is p'ivotally con! nected, at 34, tothe link 36, thelatter having a portion 38 disposedin the eye 40 of a link 42, the latter being pivotally mountedat 44.

Adjacent the link 42 is another link ,46, pivu otally mounted at 48, and disposed in operative engagement with thelink ypivotally mountedat 52, the link 50 having a 'portion 54 projecting at right anglesinto a position wherein it overlies'the squared shaft 32, of thecrank 30. i l

Afplunger 56 having a push button 58 on -itshead is operatively connected to the por'- tion 54, the push button being on the outside ofthe door and" disposed in the aperture left Oli vacant by the removal of the commonlyv provided door handle.

It will be observed that when the push button is pressed inwardly, Fig. 3, the lower end of the link 50 will move to the right, Fig. .3, the upper end of the link 42 will move to the left, Fig. 3, the lower end of the link 42 will move downwardly pulling with it the link 36 Which will thereupon rotate the crank 30 counterclockwise, Fig. Q, causing the rocker arm 14 to retract the bolt 1G, as will be clearly understood.

If desired, the multiplyingr link 46 may be omitted together with the pivot 52, the

links

42 and 50 being joined or made as one1 the construction shown being provided only for multiplying purposes.

It will be seen, therefore, that there has been provided a push button control for sliding bolt locks, one which does not a ter the door or the lock commonly provided except insofar as minor substitutions are etlected.

Now having described the invention and the preferred embodiment thereof, it is to be understood that the said invention is to be limited, not to the specific details herein set forth, but only by the scope of the claims which follow:

That I claim is l. In combination with a sliding bolt, and a rocker arm adapted to cause vsliding retraction of the bolt, the rocker arm having a squared hole for the reception of a squared shaft which, when rotated, will cause rotax tion of the arm, mechanism to rotate the arm comprising a crank having a squared shaftY litting in the squared hole of the rocker arm, means to cause rotation of said crank, and a push button plunger projecting outwardly and perpendicularly from the plane of said door and connected to said means and operable to cause said means to rotate the crank.

2. In combination with a sliding bolt, and a rocker arm adapted to cause sliding retraction of the bolt, the rocker arm having a squared hole for the reception of a squared shaft which, when rotated will cause rotation of the arm, mechanism to rotate the arm comprising a crank having a squared shaft fitting in the squared hole of the rocker arm, means including a slidable link having an end connected to said crank, and a push button plunger projecting outwardly and penpendicularly from the plane of said door and connected to said means and operable to cause said means to rotate the crank.

3. In combination with a sliding bolt, and a rocker arm adapted to causesliding retraction of the bolt, the rocker arm having a squared hole for the reception of a squared shaft which when rotated, will cause rotation of the arm, mechanism to rotate the arm comprising a crank having a squared shaft fitting in the squared hole of the rocker arm, means to cause rotation of said crank, and a push button plunger projecting outwardly and perpendicularly from the plane of said door and connected to said means and operable to cause said means to rotate the crank, said means including a slidable link having an end connected to said crank, and an end operatively connected to said plunger.

4. In ccmbination with a sliding bolt, and a rocker arm adapted to cause sliding retraction of the bolt, the rocker arm having a squared hole for the reception of a squared shaft which, when rotated, will cause rotation of the arm, mechanism to rotate the arm, comprising a crank having a squared shaft fitting in the squared hole of the rock-r arm, means to cause rotation of said crank, and a push button plunger projecting outwardly and perpendicularly from the plane of said door and connected to said means and operable to cause said means to rotate the crank. said means including a slit able link having an end connected to said crank, and an end operatively connected to said plunger by a pivotal linkage, one end of which is connected to said slidable link and the other end of which is connected to said plunger.

5. In combination with a sliding` bolt, and a rocker arm adapted to cause sliding retraction of the bolt, the rocker arm having a squared hole for the reception of a squared shaft which, when rotated, will cause rotation of the arm, mechanism to rotate the arm, comprising` a crank having a squared shaft litting in the squared hole of the rocker arm, means to cause rotation of said crank, and a push button plunger projecting outwardly and perpendicular y from the plane of said door and connected to said means and operable to cause said means to rotate the crank, said means including a slidable link having an end connected to said crank, and an end operatively connected to said plunger by a pivotal linkage, one end of which is connected to said slidable link and the other end of which is connected to and operable by said plunger.

6. In a door lock, a bolt movable in a plane parallel to the plane of the door, a roll back for operating said bolt, a lever connected in operating relation to said roll back, a second lever manually operable and movable in a plane substantially perpendicular to the plane of bolt movement, a link connecting said levers in operating relation, and a push but-ton movable in a plane. perjjiendicular to the plane of the door and connected to the second lever so as to operate the latter.

7. In a door lock, a. plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide thereon so as to proj-ect a portion thru the bent up portion aperture, a roll back for said bolt, a crank arm. a squared shaft connecting the crank and the roll back, means to cause rotation of said crank arm, and a push button plunger mounted on the door and movable in a plane perpendicular to the plane of the door and connected to said means and operable to cause the latter to rotate the crank, said means including a link slidable in a plane parallel to the plane of the door.

8. ln a door lock, a plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide thereon so as to project a portion thru the bent up portion aperture, a roll back of said bolt, a crank arm, a squared shaft connecting` the crank and the roll back, means to cause rotation of said crank arm, and a push button plunger mounted on the door and movable in a plane perpendicular to the plane of the door and connected to said means and operable to cause the latter to rotate the crank, said means including a link slidable in a plane parallel to the plane of the door, and a pivotal linkage having one end connected to said slidable link and the other connected to the plunger. y

9. In a door lock, a plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide. thereon so as project a portion thru the bent up portion aperture, a roll back for said bolt, a crank arm, a squared shaft connecting the crank and the roll back, means to cause rotation of said crank arm, and a push but.

ton plunger mounted on the door and movable in a plane perpendicuar to the plane of the door and connected to said means and operable to cause the latter to rotate the crank, said Vmeans including a link slidable in a plane parallel to the plane of the door, and a pivotal linkage movable in a plane perpendicular to the plane of the door and having one end connected to said slidable link and the other connected to the plunger.

10. In a door lock, a plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide thereon so as to project a portion thru the bent up portion aperture, a roll back for said bolt, a crank arm, a squared shaft connecting the crank arm and the roll back, means to cause rotation of said crank arm, and a push button plunger projecting out- Wardly from and in a plane perpendicular to the plane of said door and connected to said means and operable to cause the latter to rotate the crank, said means including a link lidable in a plane parallel to the plane of the oor.

11. In a door lock, a plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide thereon so as to project a portion thru the bent up portion aperture, a roll back for said bolt, a crank arm, a squared shaft connecting the crank arm and the roll back, means to cause rotation of said crank arm,

` and a push button plunger projecting outwardly from and in a plane perpendicular to i l connected to said slidable link and the other Y connected to the plunger.

12. In a door lock, a plate having an apertured bent up portion embedded in the edge of the door, a bolt mounted on said plate to slide thereon so as to project a portion thru the bent up portion aperture, a roll back for said bolt, a crank arm, a squared shaft connecting the crank arm and the roll back, means to cause rotation of said crank arm, and a push button plunger projecting ,out- Wardly from and in a plane perpendicular to the plane of said door and connected to said means and operable to cause the latter to ro tate the crank, said means including a link slidable in a plane parallel to the plane of the door and a pivotal linkage movable inv a plane perpendicular to the plane of the door and having one end connected to said slidable link and the other connected toy the plunger.

FRANCIS D. HARDESTY.