US471363A - Fastener for the meeting-rails of sashes - Google Patents

Fastener for the meeting-rails of sashes Download PDF

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US471363A
US471363A US471363DA US471363A US 471363 A US471363 A US 471363A US 471363D A US471363D A US 471363DA US 471363 A US471363 A US 471363A
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Prior art keywords
latch
sash
meeting
cam
detent
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Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/0042For refrigerators or cold rooms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
    • E05C3/046Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted in the form of a crescent-shaped cam
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1039Swinging and camming
    • Y10T292/10395Spring projected
    • Y10T292/104Rigid operating means

Description

(No Mod-81'.)
G. B. SLOAN, Jr. PASTENER POR THB MEETING RAILS 0F SASHES. No. 471,363. Patented Mar. 22, 1892.
ATTORNEYS.
.UNITED STATES" ATENT Enron..
GEORGE B. sLoAN; JR., oE oswEeo, NEW YORK.
FASTENERFORTHE. MEETING-RAILS OF SASHES.
i SPECIFICATION forming part of Letters Patent No. 471,363, dated March 22, 1892.
Application tiled December 31, 1891. Serial No. 416,637. (No model.)
To all whom t may concern:
Be it known that I,GEORGE B. SLOAN, J r., of Oswego, in the county of Oswego, in the State of New York, have invented new and useful Improvements in Fasteners for the Meeting Rails of Sashes, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.
This invention is a specific improvement of the sash -lock shown and described in the United States Letters Patent No. 454,628, granted to me June 23, 1891. In the use of said sash-lock I have found that in case the latch was accidentally pushed back to its unlocked position and in engagement with the detent after the sash had been raised sufficient to carry the latch above the releasing-cam the latch thus held by the detent strikes the upper end of the cam and becomes either jammed or broken in the operation of closing the window.
The object of my present invention is to obviate such accidents and to otherwise render the sash-lock more convenient and efficient in its operation; and to that end it consists in the improved construction and combination of parts hereinafter described, and specifically set forth in the claims.
In the annexed drawings, Figure l is a top plan view of my improved sash-lock. Figs. 2 and 3 are inverted plan views of the latch-case and showing,respectivel`y,thelatchinfulllines and in dotted lines. Fig. 4 is a side view of the sash-lock. Fig. 5 is an inner face view of the catch-plate, and Fig. 6 is a Vertical transverse section on line oo w in Fig. 2.
Similar letters of reference indicate corresponding parts.
C represents the catch-plate, which is attached to the top of the meeting-rail'R of the upper sash. This catch-plate I provide with the rigid upward-projecting hook a, as shown in my patent hereinbefore referred to. b denotes the rigid cam, which also projects vertically from the plate C; but in this case the said cam is formed with the beveled overhanging face b on its inner side and extending to the side facing the hook ce, as shown in Fig. 5 of the drawings.
A represents the case, which is attached to the top of the meeting-rail R' of the lower A suitable detent f on the case A serves to partly hold the latch in its unlocked position. This detent I preferably form on the exterior of the vertical wall of the case and form the handle portion h of the latch with a downward extensiomh, which engages the detent, which is of the form of a shoulder, as shown.
In the operation of the described sash-lock the engagement of the latch l with the hook a locks the window. To open the window, the
latch has to be swung away from under the hook and around sufficiently to cause the handle portion h of the latch to engage the detent f, by which it is retained, and thus the latch is confined in its unlocked position, so as to enable the operator to use both hands in raising the sash. In this latter movement the shoulder Z. of the latch is opposed to the overhanging face b of the cam b, which forces the latch longitudinally back toward the case A and allows the shoulder Z to slide over the cam, and in passing over the upper end of the cam-face the latch is forced back sufficiently to cause the handle portion h of the latch to then springs automatically toward its locking position. The cam-face is higher than the shoulder of the hook a, so as to prevent the latch from catching under the hook a while raising the sash. In closing the sash the latch' yields to the contact with the beveled top of the hook and then springs into engagement with the shoulder .of the hook. In case the latch is accidentally turned back to its un locked position after it has passed above the cam and then the sash pushed down, the latch will yield longitudinally to the pressure of the top of the cam and cause the handle h to be released from the detent, when the latch will spring into its locked position.
\ become released from the detentf. The latch IOO Having;1 described my invention, what I claim as new, and desire to secure by Letters Patent, is
1. In combination with the locking-hook, a swinging and lon gitudinally-lnovable latch, a detent retaining the latch in its unlocked position, a cam moving the latch longitudinally and releasing the same from the detent, and a spring forcing the latch into its locking position, as set forth.
2. In combination with the hook ct, the rigid cani b, formed with the beveled overhanging face b on its inner side, the case A, provided with the slot e and detent f on its exterior', the
latch Z, pivoted in said slot and provided with the shoulder Z for engaging the cam,the handle h, mounted on the ease and fixed to the latch and formed with the downward extension 71,', adapted to engage the detent, and a spring in the ease, forcing the latch toward its locking position, substantially as described
US471363D Fastener for the meeting-rails of sashes Expired - Lifetime US471363A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6305725B1 (en) 1998-11-05 2001-10-23 Southco, Inc. One-piece slam-action pawl latch
US20080012358A1 (en) * 2006-06-02 2008-01-17 Luke Liang Sweep lock
US11047157B1 (en) 2006-03-28 2021-06-29 Vision Industries Group, Inc. Vent stop
US11118376B1 (en) 2017-10-18 2021-09-14 Vision Industries Group, Inc. Combination sash lock and tilt latch and slidable window vent stop
US11168492B1 (en) 2017-02-16 2021-11-09 Vision Industries Group, Inc. Tamper resistant sash lock
US11168495B1 (en) 2018-08-01 2021-11-09 Vision Industries Group, Inc. Automatically resetting window vent stop with dual safety features
US11187010B1 (en) 2019-09-19 2021-11-30 Vision Industries, Inc. Forced-entry-resistant sash lock

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6305725B1 (en) 1998-11-05 2001-10-23 Southco, Inc. One-piece slam-action pawl latch
US11047157B1 (en) 2006-03-28 2021-06-29 Vision Industries Group, Inc. Vent stop
US20080012358A1 (en) * 2006-06-02 2008-01-17 Luke Liang Sweep lock
US11168492B1 (en) 2017-02-16 2021-11-09 Vision Industries Group, Inc. Tamper resistant sash lock
US11118376B1 (en) 2017-10-18 2021-09-14 Vision Industries Group, Inc. Combination sash lock and tilt latch and slidable window vent stop
US11168495B1 (en) 2018-08-01 2021-11-09 Vision Industries Group, Inc. Automatically resetting window vent stop with dual safety features
US11187010B1 (en) 2019-09-19 2021-11-30 Vision Industries, Inc. Forced-entry-resistant sash lock

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