US1895630A - Lock - Google Patents

Description

I. KEMP Jan. 31, 1933.

LOCK

Filed March 14, 1929 2 Sheets-Sheet FlG.3

. INVE TOR v w BY AJTORNEY Jan. 31, 1933. L KEMP 1,895,630

LOCK

Filed March 14, 1929 2 SheetsSheet 2 ATTORNEY Patented Jan. 31, 1933 UNITED STATES PATENT OFICE IRVING KEME, OF NEW YORK, N. Y., ASSIGNOR T0 KEMP LOCK ING, OF NEW YORK, N. Y.,

A CORPORATION OF NEW YORK LOOK Application filed March 14, 1929.

This invention relates to looks. It is directed to the type of lock generally described in my co-pending application No. 252,972, filed Feb. 9, 1928 wherein a plurality of bolts are projected in a plurality of directions.

An object of this invention is to provide a lock of the character described having improved means for simultaneously projecting all the bolts into engagement with their respective strikes.

A further object of this invention is to provide a lock of the character described adapted to be mounted on a door and having means for simultaneously projecting bolts horizontally and vertically into engagement with strikes on the door jamb.

Another object of this invention is to provide a neat, rugged, and compact lock of the character described which shall be relatively inexpensive to manufacture, comprise few and simple parts, be smooth and positive in operation, and practical and eificient to a high degree.

Other objects of this invention will in part be obvious and in part hereinafter pointed out. 1

The invention accordingly consists in the features of construction, combinations of elements, and arrangement of parts which will be exemplified in the construction hereinafter described, and of which the scope of application will be indicated in the following claims.

In the accompanying drawings, in which is shown one of the various possible illustrative embodiments of this invention,

Fig. 1 is a rear elevational view of a lock embodying the invention with the rear cover and the extension for the vertical bolts re moved;

Fig. 2 is a crosssectional view taken on line 22 of Fig. 1;

Fig. 3 is a cross-sectional view taken on line 3-3 of Fig. 1;

Fig. 4 is a front elevational view of the lock with one of the vertical bolt extensions removed;

Fig. 5 is a side elevational view of the lock shown in Fig. 4, but with the strike for the horizontal bolt shown in dotted lines;

Serial No. 346,941.

Fig. 6 is a front elevational view of a door and door j amb with the lock attached; and

Fig. 7 1s a cross-sectional view taken on line 7-7 of Fig. 2.

Referring in detail to the drawings 10 designates a door hinged as at 11 to a wall 12, and having a vertical edge portion 13 extending adjacent the door j arnb 14 when said door is in closed position. Attached to said portion 13 of said door 10 is a lock 15 comprising, in general, a casing 16, a horizontal bolt 17 and oppositely extending vertical bolts 18 and 19. Said horizontal bolt 17 is adapted to engage a strike 20 attached to said door jamb 14.. Attached to said vertical bolts in a manner hereinafter more fully described, are substantially similar extensions 18a and 19a adapted to engage strikes 21 and 22 respectively, secured to said door jamb above and below said strike 20. Housed within the lock casing 16 is means 23 for simultaneously actuating said bolts 17, 18 and 19 to open and closed position.

The casing 16 comprises a front wall 25, upper and lower walls 26 and 27 and end walls 28 and 29. The side walls 26 and 27 are provided with ears 26a, 27 a respectively bored as at 26?), 27 b for receiving securing means for securing the casing to the door. The casing is so arranged that a portion thereof adjacent end wall 29 overlaps the adjacent edge portion of the door jamb 14. The strike 20 comprises an angle member 30 having openings 31 for receiving screws or the like for securing said strike tothe edge of the door jamb. Extending outwardly from said member 30 is a loop 32 adapted to extend into said casing 16 upon closing the door, the front wall 25 of said casing having a slot 32a for receiving the outer portion 326 ofthe loop. The horizontal bolt 17 is adapted for projection, in a manner hereinafter appearing, into opening 33 formed by the loop for engagement withthe outer portion 326 thereof to lock the door.

The casing 16 is provided with guide means for slidably mounting said horizontal bolt 17. For this purpose said casing is formed with a pair of spaced parallel Walls 35 and 36 contacting the upper and lower sides 17a and 175 respectively of said bolt. Formed integrally with the front face of the easing, on the inner surface thereof are bosses 37 having smooth faces 37a for slidably contacting the outer face 17 0 of said bolt. A backing plate 39 secured to bosses 40 formed with said casing is adapted to press against the inner face 17 (Z of said bolt. Said plate 39 is provided with a suitable slot 41 for receiving said loop portion 32 of the strike upon opening and closing the door.

For reciprocating said bolt 17 into and out of engagement with the strike, the front wall 25 of the casing is provided with a boss 45 bored as at 46 and rotatably mounting a knob 47. Fixedly attached to said knob is oneend 48 of a link 49. The opposite end 50 of said link is formed with an opening 51 for receiving a pin 52 forming an integral part of a connection arm 53. The latter is preferably downwardly curved as shown in Fig. 1, the opposite end 54 thereof being provided with a pin 55 pivotally connected as at 56 to the horizontal bolt 17. It will now be understood that rotation of the knob 47 will cause movement of the link 49 and connecting arm 53 for translating said bolt 17.

For actuating the bolt 17 from the outside of the door, by use of a key, a link member 57 is pivotally mounted on back plate 39 and provided with means (not shown) for cooperating with a key for turning the same. Said link 57 is provided with a cylindrical projection 58 rotatablv received in a socket portion 59 integrally formed with said connecting arm 53.

Means is provided for projecting and retracting the Vertical bolts 18, 19 simultaneo usly with the projection and retraction of the horizontal bolt 17. To this end, the easing is provided with outwardly extending integral, aligned tubular members 60 and 61 projecting from the side walls 26 and 27 respectively of said casing. Said members 60, 61 are preferably of rectangular cross-section and are adapted to slid-ably receive the vertical bolts 18, 19. Said bolts are provided with hollow tubular portions 62, 63, provided with internal, double, helical, diametrically disposed threads, or ridges 62a, 63a respectively. The threads 62a of bolt 18 are turned oppositely to the direction of threads 63a of bolt 19. Received within the hollow of each of portions 62 and 63, are cylindrical rods 64, 65, respectively, each of said rods having complementary helical grooves 64a, 65a, for cooperating with said threads 62a, 63a. Said rods 64, 65 terminate at the inner ends thereof in reduced portions 67, 68, collars 69, 7 0 being attached to said reduced portions, as by set screws 69a, 70a respectively. For receiving said collars 69a, 70a, the horizontal bolt 17 is formed with longtudinal recesses 71, 72 respectively adjacent the rear surface 170 thereof. Said collars 69, 70 are provided with a plurality of annularly arranged spaced openings 74, 75, respectively. A plurality of aligned pins 76, 77 received in bores 76a, 77 a in the bolt 17 adjacent the opposite surfaces 17a, 175 respectively, are adapted to prorods will cause longitudinal movement inwardly or outwardly of the bolts 18 and 19, depending on the direction of rotation. This action is due to the coacting helical threads 62a, 64a, and 63a, 65a respectively. By reason of the steep pitch of said threads and the provision of a double thread, the action is smooth, easy and balanced.

The bolts 18, 19 are formed at the outer ends thereof with a pair of spaced members 80. The extensions 18a, 19a are preferably made of square stock and are provided at the inner ends thereof, with blades 80a received between said members 80 and rigidly secured thereto as by spaced screws or rivets 80?). Although the extensions 18a, 19a as described above, are rigidly attached to mechanism mounted on the door 10, said extensions are nevertheless adapted to engage the strikes 21, 22 fixed to the door amb. To this end, said extensions 18a, 19a comprise portions 82 aligned with the bolts 18, 19, horizontal portions 84 extending at right angles to said portions 82 and adapted to overlap the door jamb 14, and aligned vertical portions 85 of square cross section, adapted to register with square openings in strike 21, 22 respectively.

Upon turning the knob 47, in a direction to lock the door, the horizontal bolt 17, the vertical bolts 18, 19, and the extensions 18a, 1964 are simultaneously projected, portions 85 of said extensions, engaging within the openings in the strikes 21, 22. Actuation of the knob (or key mechanism) in the opposite direction obviously will retract the bolts to open the lock.

It will be noted that since the bolts 18, 19 and the extensions 18a, 19a are substantially similar in construction and symmetrically disposed, a balanced lock is produced, thus facilitating the operation thereof by means of the key or knob.

It will be understood that the lock may be constructed for actuation by key means from both inside and outside of the door 10. In such case, unauthorized removal of the securing means for the casing 16 will not permit opening of the door since the casing cannot pivot about the square end portions 85 of the extensions 18a, 19a. The proper key will still be necessary for retracting the bolts 18, 19 to permit opening of the door.

It will thus be seen that there is provided a device in which the several objects of this invention are achieved and which is well adapted to meet the conditions of practical use.

As various possible embodiments might be made of the above invention, and as various changes might be made in the embodiment set forth, it is to be understood that all matter herein set forth or shown in the accompanying drawings is to be interpreted as illustrative and not in a limiting sense.

Having thus described my invention I claim as new and desire to secure by Letters atent:-

1. In combination, a door lock, comprising a casing, a bolt, a second bolt extending at right angles to said first named bolt, and means for simultaneously projecting said bolts, one of said bolts having a portion normally extending exteriorly of said casing and adapted to project beyond the vertical edge of the door and overlap the door jamb.

2. In a lock, a horizontal bolt, a vertical bolt, and means for simultaneously projecting said bolts, said means comprising a member having screw threaded engagement with said vertical bolt.

3. In a lock, a horizontal bolt, a vertical bolt, and means for simultaneously projecting said bolts, said means comprising a memher having screw threadeo engagement with said vertical bolt, and a rack and pinion connection with said horizontal bolt.

4 In a look, a casing having a tubular portion of non-circular cross-section extending substantially at right angles to the body of said casing, a bolt slidably mounted in said casing, a second bolt slidablv mounted in said tubular portion, said second bolt being hollow and having an internally threaded portion, a member mounted in the hollow of said bolt and adapted to cooperate with said threaded portion. and means associated with said first named bolt and said member for rotating said member upon reciprocating said first mentioned bolt.

In combination with a door and jamb. a lock comprising a casing attached to said door and having a portion overlapping said door jamb, said casing having an opening, a strike mounted on said door j amb and having a portion receivable within said opening upon shutting said door, a bolt within said casing adapted to engage said strike, a second bolt having a portion normally projecting from said casing and adapted to overlap said door jamb, and means for simultaneously moving said bolts in transverse directions.

6. In combination with a door and jamb, a casing mounted on said door, strike means mounted on said jamb adjacent said casing,

a horizontal bolt in said casing, a vertical bolt mounted on said casing and having a portion crossing the vertical edge of said door and means for simultaneously projecting said horizontal and vertical bolts into engagement with said strike means, respectively.

7. In a lock, in combination, a casing having a tubular projection, a bolt within said casing, a second bolt slidably mounted in said tube, and means for projecting said bolts from said casing, said means including a member having a screw threaded connection with said second bolt.

8. In a lock, in combination, a casing having a tubular projection, a bolt slidably mounted in said tube, and means for projecting said bolt from said tube, said means including a member having a screw threaded connection with said bolt, and means for rotating said member, said means comprising a collar secured to said member, said collar having a plurality of annularly arranged spaced openings, and a member slidably mounted within the casing and having a plurality of spaced pins adapted to engage with- -1n said openings.

9. In a lock, in combination, ing a tubular portion, a bolt, slidably and non-rotatably mounted within said portion, and means for projecting said bolt from said portion, said means comprising amember rotatably and non-slidably mounted in said casing, and operatively associated with said bolt, said member having a plurality of annularly arranged spaced openings, and a second member slidably mounted within said casing and having a plurality of spaced, aligned projections adapted to engage within said openings for rotating said first member. V

10. In combination with a door, means for locking said door comprising a bolt mounted on said door and having'a portion substantially parallel to the outer edge of said door, said portion being of non-circular cross-section, a strike having an opening adapted to slidably receive said portion, and means for projecting said portion into said opening.

11. In a lock, in combination, a casing adapted for attachment to a door adjacent the edge portion thereof, said casing having oppositely extending tubular portions, bolts mounted in said tubular portions having portions adapted to project beyond the vertical edge of said door, and means mounted in the casing for simultaneously projecting said bolts in opposite directions.

12. A door lock comprising a casing adapted for attachment to a door adjacent the vertical edge thereof, a bolt mounted on said casing, a pair of bolts mounted on said casing, each of said pair of bolts having portions parallel to said first named bolt adapted to extend beyond the vertical edge of said door a casing havand exteriorly of said casing, and means extending exteriorly of said casing and adapted to normally project beyond the vertical edge of said door, and means Within said iasing for simultaneously projecting said olts.

14. In combination with a door, a lock for said door, comprising a casing mounted on said door, a bolt having a portion slidably received Within said casing and extending therefrom, and a portion normally extending exteriorly of said casing and projecting beyond the edge of said door, a second bolt mounted in said casing, a strike mounted on a door jamb, and means for projecting said first bolt in a direction parallel to said edge of said door and said second bolt in a direction perpendicular to said edge, into engagement with said strike.

15. A look comprising a casing having an opening, a bolt mounted therein, a second bolt having a pair of parallel portions transverse of said first bolt and a portion interconnecting said parallel portions, one of said parallel portions being slidable Within said opening, said interconnecting portion and said other parallel portion being disposed exteriorly of said casing, and means for moving said first bolt in one direction and said second bolt at an angle to said direction.

16. A lock adapted to be attached adjacent the edge of a door, comprising a casing, a bolt slidably mounted in said casing and disposed transversely of said edge of said door,

and a pair of identical, symmetrically disposed bolts transverse to said first mentioned bolt, each of said pair of bolts having a portion adapted to project beyond said edge of said door, strike means adapted to be attached to the door jamb, having a portion for engaging said first bolt and portions for engaging said second pair of bolts, and means for moving all of said bolts into engagement with said strike portions, said pair of bolts being adapted to engage their respective strike portions without engaging said first bolt.

17. A look for a door comprising a casing adapted to be mounted adjacent the outer edge of said door and having an opening, a bolt having a portion parallel to the edge of the door and slidably extending into said opening,,a portion normally extending exteriorly of said casing and projecting beyond IRVING KEMP.

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