US2568983A

US2568983A - Keeper

Info

Publication number: US2568983A
Authority: US
Inventors: Best Frank Ellison
Original assignee: Individual
Current assignee: Individual
Priority date: 1949-01-28
Filing date: 1949-01-28
Publication date: 1951-09-25
Anticipated expiration: 1968-09-25

Description

F. E. BEST Sept. 25, 1951 KEEPER Filed Jan. 28-, 1949 INVENTOR Patented Sept. 25, 1951 UNITED STATES PATENT OFFICE KEEPER Frank Ellison Best, Indianapolis, Ind. Application January 28, 1949, Serial No. 73,327

1 Claim. 1

My invention pertains to bolt strikes used in connection with locks and latches and particularly to strikes of the box type.

The object of my invention is to provide a strike that can be secured to a door jamb without the use of the time honored screws.

The modern trend in locks and latches is to eliminate all screws which detract from the beauty of the design and often have rough or jagged edges that tear clothing and injure persons that come in contact therewith. The present high cost of labor of installation also demands a quicker way to install them.

' factory which ends are slightly sprung outward- My invention makes possible such a strike that can be securely fastened in place in less time than is required by the screw method even when a single screw is used in the center of the bottom of the box.

The preferred embodiment of my invention is shown in Figures 1 to 5 in which- Figure 1 is a face view of a box strike I I of conventional design, stamped or forged out of a single piece of metal.

Figure 2 is a sectional view of the same in mounted position in a wooden door jamb as taken on section line 2-2 of Figure 1.

Figure 3 is a sectional view of the same as taken on lines 33 of Figures 1 and 2.

Figure 4 is a plan view of a four pronged stake I2 in its flattened condition used to secure the strike to the door jamb.

Figure 5 is an isometric view of the said strike showing holes I3 in box 40 for the passage of pointed ends I4 of the stake I2.

Figs. 6 and 7 show, in isometric projection, the unassembled parts of a variation of the said strike. Figures 8 and 9 show, in isometric projection, the unassembled parts of still another variation of the said strike.

The stake I2, Figures 2, 3 and 4 is preferably factory formed as shown by dotted lines in Figure 3. After the strike has been fitted into a proper mortise in the door jamb, this stake in bent form is inserted into the box and driven flat with a flat ended piece of wood, that will fit the opening 26, and a hammer used thereon. As this flattening process continues the curved ends I4 of the stake pass outwardly through holes I3 and engage the wood I5 and are naturally driven upward therein, thus forcing the face I6 of the strike tightly in place in recess 41. This process secures the strike in place as securely as by the usual use of screws and the installation requires less time.

By this method the bottom of the box formed by stake I2 can be finished like or differently from the face I6 of the strike.

The strike face I6 and box 40 are preferably forged or drawn out of a solid piece. Holes I3 are preferably punched out.

A simpler form of my invention is shown in Figures 6 and. 7. In this embodiment, two ears I! with stake holes I8 therein are stamped out of the opening in strike I9 forming the ends of the box. A second piece 22, combining the stake ly momentarily to receive points 25 in holes I8. When the box thus formed is placed in its mortise in the door jamb it may be staked in place by a block of wood and a hammer as in the former instance.

Figures 8 and 9, show a more elaborate form of my invention, in which the box of the strike is formed partly by ears 2! and partly by a second piece 28. Part 28 is slipped over the ears 21 so that bent ends 29 enfolcl ears 21 while tongues 30 protrude through notches 3|. The assembly is held together by bending the projections 32 of ears 2'! over surface 33 leaving holes 34, formed between

surfaces

35 and 36 of ears 2! and

surfaces

31, 38 and 39 of second piece 28, through which pointed ends I4 of a stake I2 may protrude for securing the strike to the door jamb as explained.

It is not at all essential that the stake be a flat piece of metal. A piece of wire like a bent nail with both ends preferably sharpened can be used as such preferably in one corner of the box to hold it securely in place. Or a nail or nails or some other fastening means such as a staple or staples may be used as such through a hole or holes in the bottom sides or ends of the box on their junctures to secure it in .place.

In metal door jambs, corresponding holes may be punched in the factory in said jambs to receive the points of a stake.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States, is:

In a bolt strike of the box type adapted to be integrally secured to a door jamb, the combination of elements comprising a face plate, a box and a bent stake, said face plate having ears integral therewith forming the ends of said box, a second piece with two right angle bends forming the sides and bottom of said box, bent ends on said sides and notches in said bottom of said second piece cooperating with said ears, and projections on said ears adapted to be bent over the said bottom to form an integral box providing holes in the ends of said box, said stake having pointed ends adapted to pass through the said holes and interlocking, upon straightening said bent stake, said box strike to said door jamb through said holes.

FRANK ELLISON BEST.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 538,421 Johnston Apr. 30, 1895 2,272,241 Fendring Feb. 10, 1942 FOREIGN PATENTS Number Country Date 230,838 Switzerland Jan. 31, 1944