US67518A - Jerome b - Google Patents

Description

@jatten tate latent @ffice Letters ,Patent No. 67,518, dated August 6, 1867 IMPROVED LATCH AND CATCH.

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, .IERME B. FARMER,.of the city of Indianapolis, in the county of Marion, and State of Indiana, have invented anew and useful improvement in Latches and Catches; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, aud to the letters of reference marked thereon.

First, the nature of my invention consists in pivoting a drop latch-bar between two plates, so that its-light end will always By up into'the catch, being righted at the other end, or the long end of the bar being on the other end from that which fastens it in the catch; second, making a cheap and eiective lock-latch of this, by enclosing also between the plates a. cam oreccentric that can be thrown up under the catch-end ot` the bar, thus rendering the bar, for the time, immovable and secure; and third, lcfa double-jawed catch, the upper one to hold, and the lower one to trip the latch-bar when it passes the shoulder ofthe upper jaw, in case the gate or door is slammed to, and thereby insuring its effective operation; all made of metal and in the manner here after more fully set forth.

Toenahle others skilled in the art to make and use my invention, I will new proceed to describe its construction and operation, viz:

Figure 1 is a side o r face view of my latch and catch as applied to a gate or door. vIn this figure is shown a section of the gate or door, Vand the latch screwed fast thereto, and a section of the post or jamb, with the catch in position likewise.

Figure 2 is a view of my latchin section, with dotted lines showing the movements of the latch-bar and the lock-stop; and

'Figure 3ds a side or tace view ormy catch as secured to the jamb with screws, a portion of the jamb appear'- ing in section.

A A are the latch-plates; they are cast with a recess in their meeting faces, as partially shownin tig. 2, for the reception and play of the latch-'bar and lock-stop. These recesses are just deep enough, in cach plate, to fil-low the, free movement of the tar and stop when the plat-es are rivet-ed together. B is the latch-bar, made to curve down at the handle end, asscen in figs. 1 and 2.' This curve is given to it for the sake-of compactness and neatness. The rivet which secures the bar to its place is passed through it near the catch-end, thus making the other end much the heaviest, a very necessary feature, thereby throwing the light end. always into the catch and holding it there. O is a lock-stop or cam-shaped piece of metal, which is riveted between plates A, and at the proper distance under the catch-end of the latch-bar that will just bring its long-end against the under edge of said har, while the lower end of this stop projects below the latch-plates far enough to he easily moved by the finger. The dotted lines in fig. 2 show the movements ofthe latch-bar and the lock-stop. D is the portion of my catch which connects the inclined jaws D and D2. Dl is the upper jaw of the catch proper, while D2 is an incline jaw against which the latch-bar B strikes just after it passes the shoulder of Dl at the point e, and is thereby thrown up into the recess behind the shoulder of D. It will be seen that the gate or door, provided with my improved latch and catch, may be shut ever so quick, with a slam, and the latch-bar will always be driven up behind the shoulder ofthe catch Dl by incline e, and thus give satisfaction.

What I claim as my invention, and desire to secure by Letters Patent, is-

1. Latch-bar B, pivoted between two plates, as shown, in combination with the lock-step C, when these are used in conjunction, as set forth and for the purposes declared; and

7 A double-jawed catch, the upper jaw serving as the catch propel', while the lower jaw is a tripping incline to throw the latch into the recess of the catch, when a gate or door .is shut quick, all as set forth in the foregoing.

JEROME B. FARMER.

Witnesses:

ASA N ORTHAM. WM. M. Bussum,

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