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Publication numberUS109074 A
Publication typeGrant
Publication dateNov 8, 1870
Publication numberUS 109074 A, US 109074A, US-A-109074, US109074 A, US109074A
Original AssigneeHimself Ak j
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in latches
US 109074 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

ottimi .%Drio3 @eine @da ADDISON A. STUART, or PLAINFIELD, OWA, AssIcNoR To HIMSELF AN;


n Letters Patent-No. 109,074, dated November 8, 170.


The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that I, ADDISOX A. S'rUAkT, of Planfield, in thc county of Bremer and State of Iowa, have invented a new and improved Latch; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being hadto the accompanying drawing forming a part of this specification. v

My invention relates to latches; and consists in a peculiar arrangement of parts which will tix-st be described in connection with all that is necessary to a full understanding thereof', and then clearly specified in the summary or claim.

In Figure 1 of drawing- A represents the door;

l5, a lock-case; and

C, the sliding-bolt.

a. is thc actuating spring, which shoots the bolt.

d is a friction-roller; and

1 D are two inclined pieces or wedges, which slide in the slot b, and pass each other.

e is a thumb-piece, working through a. socket i handle on each side of the door.

E, in Figure 3,'is the form of handle which I pn ferably employ; and

F, in Figure 2, the night-latch.

The object of my invention is to afford a convenier and handy device-for latching and unlatching the doc from either side.

Having thus described all that is necessary to clear understanding of my invention,

That I claim as new, and desire to protect by Let ters Patent, is-

The arrangement, in the slot b, of the two incline or wedge -pieces D D', as set forth, so that one wi pass by the other when pressureis exerted on thumb-piece, O, from either side of the door.




Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7607704 *Jan 26, 2005Oct 27, 2009Hardware Specialties, Inc.Push-pull latch bolt mechanism
Cooperative ClassificationY10S292/37, Y10S70/67, E05C1/14