US2255402A

US2255402A - Lock

Info

Publication number: US2255402A
Application number: US248383A
Authority: US
Inventors: Norman J Vile
Original assignee: American Hardware Corp
Current assignee: Emhart Industries Inc
Priority date: 1938-12-30
Filing date: 1938-12-30
Publication date: 1941-09-09
Anticipated expiration: 1958-09-09

Description

Sept. 9, 1941.

N. J. VILE LOCK Filed Dec. 30, 1938 2 Sheets-Sheet l TTOPNEY Patented Sept. 9, 1941 STAT E S PAT E T FFICE LOCK Norman J. Vile, New Britain, Conn, assignor to The American Hardware Corporation,

New

6 Claims.

My invention relates more especially to locks of the cylinder type, and an object of my invention, among others, is the production of a lock of this type having means for attachment of a latch bolt in difierent angular positions for righthand or lefthand use, together with means for limiting the rotary movement of the barrel or plug to properly locate the latch bolt in different positions.

One form of a lock embodying my invention and in the construction and use of which the objects herein set out, as well as others, may be attained is illustrated in the accompanying drawings in which- Figure 1 is a side View of my improved lock shown as attached to a door.

Figure 2 is an end view of the same.

Figure 3 is a similar view with the latch bolt and its retainers removed.

Figure 4 is an isometric perspective view of the parts separated from the lock but in their relative positions for placing thereon.

Figure 5 is an isometric perspective view of a modified form of stop.

Figure 6 is a view similar to Fig. 3 but embodying the stop shown in Fig. 5.

Figure 7 is a face View of the lock illustrating different positionsof the key slot.

Figures 8 to 13 are views similar to Figs. 1 to 6 but illustrating slightly modified forms of the structure.

In the accompanying drawings the numeral 1 denotes a portion of a door and 8 a door stop comprising a portion of a door jamb, only such part of the door and stop being illustrated as is necessary for a clear understanding of my invention. The numeral 9 denotes the cylinder of the lock provided with the usual escutcheon ii] and which is screw threaded to receive a nut II for securing it to the door, as shown in Fig. 1 of the drawings. The cylinder is bored to receive a plug or barrel E2, the latter having a groove for the reception of a key and which may be of the pin tumbler type or otherwise as may be desired. All of the parts thus far described are of old and well-known construction and a further and detailed description thereof is therefore omitted herein.

The inner end of the plug or barrel has a threaded stub l3 projecting therefrom and a support 14 for a latch bolt l5. This support is of angular shape, preferably square, and the latch bolt has an opening I! to fit said support.

device which is preferably in the form of a washer or washers having stops in the form of shoulders to limit the rotating movement of the plug or barrel or the latch bolt secured thereto, these stop devices being so constructed that their angular positions relatively to the plug or barrel may be changed to limit the movement of the latch in different zones and of different lengths or degrees of the arc of a circle.

In that form of the device illustrated in Figs. 1 to 5 the stop washer it has an opening I8 formed to fit the support it. A stop lug i9 projects from the end of the cylinder 9 into the path of movement of stop shoulders 26] on the stop washer it, as shown in Fig. 4 of the drawings. In the structure shown in Figs. 1 to 4 the stop shoulders 2i! are located substantially ninety degrees apart in one direction around the plug or barrel andas shown in Fig. 4 of the drawings.

In assembling the device the stop washer i5 is placed upon the support it and the latch bolt i5 is next placed upon the support. A washer 2! may then be placed upon the stub 13 and the whole secured in place as by means of a nut 22 screwed on to the stub l3, as illustrated in Figs. 1 and 4 of the drawings.

The latch bolt may be placed upon the support, in such manner as may be desired, to engage a door stop as 8 on the right or on the left hand side of the door or a stop even located at the top or bottom of the opening 23 through the door. The stop washer I6 will engage the stop lug is to limit movement of the barrel or plug l2 through an arc of ninety degrees to permit movement of the latch bolt from a locking to an unlocking position, or vice versa. The structure shown in Figs. 5 and 6 is similar to that just described with the exception that the stop shoulders 25 are located substantially one hundred and eighty degrees apart so that the latch bolt may be moved through an arc of one hundred and eighty degrees and be stopped in such movement at each end of said path.

It will be noted that the latch bolt and stop are so related and their engagement with the support or mount [4 is so arranged that the zone of rotating or oscillating movement of the latch bolt may be changed as desired and the stop washer it will limit movement in that zone in a path of the same length in all of the different positions of the latch.

It is often desired to change the position of the key slot relatively to the case or cylinder 9 My invention contemplates the use of a stop 55 and my improved stop enables this to be readily done without change in the construction of any of the parts. To accomplish this the position of the support or mount 14 is simply changed, or rather, the position of the plug or barrel is changed relatively to the stop washer, the latter being retained in its position relatively to the stop lug I9. In this manner the stop washer being removed the plug or barrel I2 may be rotated to any desired position, and said washer then being replaced in its former or original position, the plug may be rotated in a path of its former length but in a different zone, as will be readily understood.

In that form of the lock shown in Figs. 8 to 11 a stop washer 25 is employed that fits upon a round portion of the plug or barrel projecting a slight distance outside of the cylinder 9, as shown in Fig. 11 of the drawings. Pins 26 project from the end of the cylinder 9 in position to enter holes 21 in the washer 25. Stop lugs 28 are formed on the washer 25 and extend therefrom in position to engage a stop 29 projecting from one end of the latch bolt I5. The pins 26 and holes 2'! as well as the stop lugs 23 may be variously arranged, the pins being shown as located diametrically opposite each other. The stop lugs are located far enough apart to permit movement of the plug or barrel through an arc of ninety degrees. The holes in this case are located slightly more than ninety degrees apart, taking into consideration the width of the stop 29. If it be desired to provide for movement of the latch boltthrough an arc of one hundred and eighty degrees, then a stop washer 25 would be employed, having stop lugs somewhat more than one hundred and eighty degrees apart, the width of the stop 29 being considered and if provided with four holes, substantially ninety degrees apart would permit of four differently located arcs of motion, each of one hundred and eighty degrees.

In that form of the device illustrated in Figs. 12 and 13 the plug or barrel is projected beyond the cylinder as in the structure of Figs. 8 to 11. Two stop washers 3B are employed each having a stop lug 3| and each having holes 32. In this structure eight holes are shown to engage the pins 26, but it will be understood that the holes may be provided in such numbers as desired and to suit any particular arrangement required.

The arrangement of the holes in connection with the pins is such that the lugs 3| may be located on the cylinder such distances apart as may be desired and to provide a rotation of the plug or barrel to any extent to accomplish any particular purpose as to defining the zone of movement of the latch bolt and the length of the are through which the bolt will be moved.

In accordance with the provisions of the patent statutes I have described the principles of operation of my invention, together with the device which I now consider to represent the best embodiment thereof; but I desire to have it understood that the device shown is only illustrative and that the invention may be carried out by other means and applied to uses other than those above set out.

I claim:

1. A 1ock including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein and an integral angularly shaped end creating a shoulder substantially flush with the end of said case, a latch bolt removably engaged with said angularly shaped end and seated on said shoulder to permit change of the path of rotation of said latch bolt, and means on said barrel and case and changeable as to their relative positions to define rotation of the barrel in different zones relatively to the case.

2. A look including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein, an angularly shaped mount integrally formed on the end of said barrel thereby creating a shoulder substantially flush with the end of said case, a latch bolt removably engaged with said mount and seated on said shoulder to permit change of the path of rotation of said latch bolt, a stop removably engaged with said mount, and means on said case and stop and changeable as to their relative positions to de fine the zone of rotation of the barrel in diiferent places relatively to the case.

3. A lock including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein, a latch bolt secured to said barrel, a stop washer having stop lugs thereon, means for locating said stop washer in different positions on said barrel, and means on said latch bolt to cooperate with said stop lugs to limit rotation of said barrel.

l. A look including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein, pins projecting from said case, a stop washer having holes to engage said pins to locate said washer in different positions, stop lugs projecting from said stop washer, and means on said barrel to engage said stop lugs to limit rotation of the barrel.

5. A look including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein, a latch bolt secured to said barrel, a stop washer having holes therein, pins projecting from said case to engage the holes in said stop washer to locate the latter in different positions, and stop lugs projecting from said washer to engage said latch bolt to limit rotation of the barrel.

6. A lock including an enclosing case, a barrel rotatably mounted in said case and having a key slot therein, pins projecting from said case, a plurality of washers each having holes to engage said pins to locate the washers in difierent positions on said case, a stop lug projecting from each washer, and means on said barrel to engage said stop lugs to limit rotating movement of the barrel.

NORMAN J. VILE.