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Publication numberUS1796 A
Publication typeGrant
Publication dateSep 25, 1840
Publication numberUS 1796 A, US 1796A, US-A-1796, US1796 A, US1796A
InventorsPeter Rodgers
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Manner of constructing locks for doors
US 1796 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)




Speccation of Letters Patent No.

To all whom t may concern Be it known that I, PETER RoDGERs, of the city of Philadelphia, in the State of Pennsylvania, have made an Improvement in Locks for Doors, which improvement consists in the manner in which I construct and combine the spindle and knobs of the spring-bolt with the fallers or followers which operate upon the lever and retract the bolt, so as to simplify the structure of this part and improve its action; and I do hereby declare that the following is a full and exact. description thereof.

I connect the inside faller, or that which is next to the lock plate, with a hollow barrel, or cylindrical socket, which projects out from the face of the lock plate, upon which barrel, or cylindrical socket, I fit the inside knob of the spring bolt. The knob spindle is made cylindrical where it passes through the inside faller, and into said barrel, and has a groove turned in it to receive the point of a screw which passes through the inner knob, and through the barrel, attaching them together, and holding the knob spindle in place. y

In the accompanying drawing Figure l, is a sectional view of the spindle, the socket, the fallers, &c.; o, is the knob spindle with the outside knob o, lirmly attached to it, in the ordinary way; c, c, is a cylindrical socket, on the outside of the lock plate, passing through it, and irmly attached to the inner faller cl, (Z, so as to constitute them one piece; e, e, is the outer faller, which has a square hole made through it, in the usual manner, where the spindle o, passes through it, there being a square on said spindle corresponding with said hole. The part o, o', of the spindle, which passes through the inner faller d, (l, and which enters, and occupies, the socket c, c, is round, so that it can turn freely in the socket, and also in the faller cl, al; the inner knobe b fits on to the outside of the socket c, c, and is held in place by means of the screw e,

1,796, dated September 25, 1840.

the point of which enters the grooveermade around the spindle a. The inner faller cl, CZ, being, as above stated, attached to the socket c, c, will in consequence of this arrangement, be acted upon by the turning of the knob b, so as to draw the spring bolt back, independently of the spindle a., which may remain at rest during this operation. W'hen the outside faller is held by the faller catch, and prevented from turning, the knob Z), on the outside of the door will also be hel-d fast, while the knob b, on the inside will still withdraw the bolt, the action of the two knobs being rendered independent of each other.

In Fig. 2, f, is the outer faller catch; g, the lever against which the fallers act, and which withdraws the spring bolt 7b; these parts do not present anything that is new, their general construction being the same as that adopted in other locks.

Having thus, fully described the manner in which I construct and combine the respective parts of my lock, so far as the action of the spring` bolt is concerned, what I claim as constituting my invention therein, and desire to secure by Letters Patent, is

The constructing, combining, and arranging of the socket c, c, the inner faller cl, (l, and the inner knob b', in the manner, and for t-he purpose, herein set forth, so that the two knobs may act independently of each other. I do not claim the mere making of the inner knob to act upon the spring bolt independently of the outer knob, this having been done in other modes, but I limit my claim to the effecting this object substantially in the manner herein made known.

In testimony whereof I hereimto set my name this twenty-seventh day of July, in

the year 1840.



Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4695082 *Feb 26, 1986Sep 22, 1987Marks George RReversible mortise lock