US198704A - Improvement in reversible latches - Google Patents

Improvement in reversible latches Download PDF

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Publication number
US198704A
US198704A US198704DA US198704A US 198704 A US198704 A US 198704A US 198704D A US198704D A US 198704DA US 198704 A US198704 A US 198704A
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United States
Prior art keywords
latch
yoke
bolt
hub
reversible
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings
    • E05B63/044—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings with reversible bolt or bolt head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1097—Reversible

Definitions

  • My invention consists of the peculiar construction of certain parts, and in the combination of parts, as hereinafter described.
  • Figure 1 is a front elevation of a latch which embodies my invention, the same being represented with one side plate partially broken away, in
  • FIG. 2 is a i y side elevation of the latch-bolt detached.
  • Fig. 3 is an end view of the hub detached.
  • Fig. 4 is a i y side elevation of the latch-bolt detached.
  • Fig. 5 is a side elevation of the yoke detached
  • Fig. 6 is an. edge view of the same.
  • A designates the latch-case; B, the latchbolt, with square andbeveled head and a round shaft, substantiallyas in other reversible latches.
  • G designates the yoke, made longer than those ordinarily employed, and
  • This yoke has two bearings, b
  • the length of the yoke G and its position in relation to the hub are such that when the yoke is thrown forward by means of the spring 0, and engages with the face-plate D, as shown 1 in Fig. 1, both arms 0 c of the hub E bear against the ordinary studs d d at the end of the yoke, ready to be moved inward by either arm upon the first movement of the hub.
  • FIG. 4 Upon one side of the yoke G, and pivoted thereon, is-an angle-lever, F, the short arm f of which engages the neck of the latch-bolt in front of the shoulder g.
  • the latch-bolt has no shoulders to engage the bearings of the yoke, so that the short arm f of the angle-lever F controls the longitudinal position of the latch within the yoke.
  • a spring,h engages the angle-lever, to make it continually press its short armagainst the shoulder f of the.
  • a single spring might be so arranged as to perform the office of the two springs e and h, herein shown and described.
  • the latch-bolt arranged to move longitudinally Withinsaid yoke, and the angle-lever pivoted to they'oke, and having one arm'engaging a shoulder on the latch-bolt and the other arm resting within the slotted hub, substantially J as described, and for the pm'pose'specified.
  • the yoke having two bearings, b b, for the round shaft of the latch-bolt, and a shouldered tenon, a, at its outer end, adapted to engage the bolt-head mortise in the face-plate, substantially as described, and for the purpose specified.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

W. E. SPARKS. v Reversible-Latch.
No. 198,104. I I Patented Dec. 25,1877.
T0 all whom iii-may cohcern UNITED STATES y WILLIAM SPARKS, onnnvv BRITAIN, comvncricur, ssrenon TO P. a r. CORBIN, on SAME PLACE.
ajIMPROVEMEN T IN RENVERSIBLE" LATCHES.
. Specification forming part of Letters Patent No. 198,704, dated December 95,1877; application filed November 26, 1877.
Be it known that I, WILLIAM E. SPARKS,
. of New Britain,in the county of Hartford and State of Oonnecticut,'have invented certain new and useful Improvements in Reversible Latches, of which the following is a specification:
My invention consists of the peculiar construction of certain parts, and in the combination of parts, as hereinafter described.
In the accompanying drawings, Figure 1 is a front elevation of a latch which embodies my invention, the same being represented with one side plate partially broken away, in
order to better Show the parts. Fig. 2 is a i y side elevation of the latch-bolt detached. Fig. 3is an end view of the hub detached. Fig. 4
is an edge view of the same. Fig. 5 is a side elevation of the yoke detached, and Fig. 6 is an. edge view of the same. y
A designates the latch-case; B, the latchbolt, with square andbeveled head and a round shaft, substantiallyas in other reversible latches. G designates the yoke, made longer than those ordinarily employed, and
having a shouldered tenon, a, on its outer end,
. 4 which takes into the bolt-head mortise in the face-plate D. This yoke has two bearings, b
b, for the round shaft of the latch-bolt B, and the front or outer end of the yoke is supported by engagement with the face-plate, as before described, thereby supporting the latch-bolt in a very firm manner. I
The length of the yoke G and its position in relation to the hub are such that when the yoke is thrown forward by means of the spring 0, and engages with the face-plate D, as shown 1 in Fig. 1, both arms 0 c of the hub E bear against the ordinary studs d d at the end of the yoke, ready to be moved inward by either arm upon the first movement of the hub. One
side of the hub E is slotted, as shown in Fig. 4. Upon one side of the yoke G, and pivoted thereon, is-an angle-lever, F, the short arm f of which engages the neck of the latch-bolt in front of the shoulder g. The latch-bolt has no shoulders to engage the bearings of the yoke, so that the short arm f of the angle-lever F controls the longitudinal position of the latch within the yoke. A spring,h, engages the angle-lever, to make it continually press its short armagainst the shoulder f of the.
latch-bolt.
The relations of the angle-lever, yoke,and
hub are such'that when the square head of the latch-bolt is just within the bolt-head mortise, as' shown in Fig. 1, the long arm of the angle-lever F rests within the slot in the hub, and with its upper edge about flush with the 1 sides of the hole through the hub, so that when the knob spindle or shaft is inserted in the hub the angledever cannot be moved in such a direction as to allow the latch-bolt to move forward in the yoke; but when the knob shaft or spindle is withdrawn from the hub the'angle-lever can move inside the walls of the square hole in the hub sufficiently to allow the latchbolt and short arm of the angle-lever to be drawn forward independently of the yoke,
to take the square head of said latch-bolt out of the mortise in the face-plate, whemit can be turned with its beveled face ineither direction for a ri' may be desired.
'If desired, a single spring might be so arranged as to perform the office of the two springs e and h, herein shown and described.
I claim as my invention-- 5 1. In a reversible latch, the combination of slotted hub, provided with rigid arms, the yoke having studs to engage the arms of the hub,
the latch-bolt arranged to move longitudinally Withinsaid yoke, and the angle-lever pivoted to they'oke, and having one arm'engaging a shoulder on the latch-bolt and the other arm resting within the slotted hub, substantially J as described, and for the pm'pose'specified.
2. In a reversible latch, the yoke 0, having two bearings, b b, for the round shaft of the latch-bolt, and a shouldered tenon, a, at its outer end, adapted to engage the bolt-head mortise in the face-plate, substantially as described, and for the purpose specified.
WILLIAM E. SPARKS] Witnesses:- I
CHARLES PEcK, E. L. PRIOR.
PATENT OFFICE.
ght-hand or a left-hand latch, as
US198704D Improvement in reversible latches Expired - Lifetime US198704A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958866A (en) * 1988-03-21 1990-09-25 Fixfabriken Ab Doorleaf lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958866A (en) * 1988-03-21 1990-09-25 Fixfabriken Ab Doorleaf lock

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