US557134A - Island - Google Patents

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Publication number
US557134A
US557134A US557134DA US557134A US 557134 A US557134 A US 557134A US 557134D A US557134D A US 557134DA US 557134 A US557134 A US 557134A
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United States
Prior art keywords
lever
catch
latch
pawl
bent
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/18Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • 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
    • Y10T292/54Trippers
    • Y10T292/564Swinging bolt, swinging detent

Description

(No Model.)
J LOWE WINDOW PASTBNBR.
Patented Mar. 3l
f fw WITNEEEEE.
ANDREW EJRA UNITED STATES PATENT EErcE.
JOHN LOWE, OF PROVIDENCE, RHODE ISLAND.
WIND'ow-FASTENER.
SPECIFICATION forming part of Letters Patent No. 557,134, dated March 31, 1896.
Application filed NOVGUDGI 2, 1895. Serial No. 567,682. (No model.)
To aZZ whom t may concern.-
Beit known that I, JOHN LOWE, of the city and county of Providence, in the State of- Rhode Island, have invented a certain new and useful Improvement in W'indow-Fasteners; and I declare the following to be a speciiication thereof, reference being had to the accompanying drawings.
Like letters indicate like parts.
Figure l is a top plan view of my invention in position upon the window-sashes. Fig. 2 is a top plan view of the catch portion of my device. Fig. 3 is afront elevation of the same. Fig. 4. is an end elevation thereof. Fig. 5 is a top plan of the latch portion of my device. Fig. 6 is a front elevation of the same. Fig. 7 is an end elevation of the same. Fig. 8 is an inverted plan View of the latch portion of myinvention. Fig. 9 is a rear elevation of my device when the two parts arev locked together. Fig. 10 is a rear elevation of the latch portion of my invention.
My invention is a window-fastener having a bent spring-actuated lever movable into and out of engagement with a catch and provided with a pawl of peculiar shape pivotally mounted in such position as to automatically hold said lever against the operation of its spring, but adapted to be raised by its contact with the catch from its engagement with said lever, so as to release said lever and enable the latter to enter into engagement with the catch, as hereinafter described.
In Fig. l I show two window-sashes and y, placed in the window-frames z, as usual, and w are the splines.
On th'e top edge of the bottom rail of the outer sash oc the catch portionA of my device is secured by screws a, passing through the holes binto the sash, as shown. This portion of the device consists of a plate having a catch c with a beveled edge CZ and a recess or slot e. Said plate also has one portion of its edge adjacent to the catch c, raised to form a rim f, in which is formed a slot g. (Shown in plan in Fig. 2 and in dotted lines in Figs. 3 and 4, in the latter of which it is seen that said slot is inclined at an angle and passes entirely through the plate.)
On the top edge of the inner sash 'y I place the latch portion of my device, which consists of a box-like case open beneath and secured to the sash y by screws m, passing through holes In, as shown. The top plate of,
the case of said portion is shown at B, and it has solid ends 0 and bars p and p. From the rear edge of the top plate B extends a prong or projection C, bent at a right angle thereto and having an inner beveled face, as seen at q in Fig. latch D is pivoted at or near its center to the top plate B by the screw r. Said latch or lever D has its outer end enlarged, as at s, to form a thumb-piece or handle, and its inner end is beveled or rounded, as shown at t. ral spring E is secured at one end to a hook or eye u on the end of the case and at its other end to the hook or eye u on the lever D.
F is a pawl pivoted to the rear edge of the plate B by the pin o. It has the beveled catch Za, and at its end a bent projecting piece Z, extending therefrom at a right angle and lying substantially in the plane of the top plate B when said pawl is in the position to hold the latch D, as shown in Fig. 10.
7. A bent or bell-crank lever or 6o A spi- The sashes x and Iy when closed are always Y locked, as the latch end of the lever D is in engagement with catch c. When the parts are in this position, as seen in Fig. 9, the pawl F is elevated, and by its bent projection Z rests at its free end upon the top of the catch c.
To raise the lower sash y the latch or lever D is moved from the position shown in Fig. l to the position shown in Fig. 8. Here the latch or lever D has been moved out of engagement with the catch c of the portion A and the spiral spring E is expanded. The pawl F, by its beveled edge, slides up on the edge of the latch end of the lever as said lever is moved. As seen in Fig. 10, the pawl F, being free to fall by gravity,.descends to a horizontal position when the latch end of the lever has been moved inwardly, so that the beveled catch Za of said pawl shuts down over the latch end t of the lever D and coniines it in position against the strain of the spring E. When the lower sash y is brought down, the fastening device operates automatically. The free end of the pawl F, by its bent projection Z, first strikes upon the top of catch c and rises, thus liberating the lever D, so that the spring E can move it into the position seen in Fig. 1. The latch end of the lever D, by this movement of the spring E, enters the recess e of the IOO catch c, and the sashes are thus locked together. At the saine time the bent pron g C enters the slot g, and as the sash 11,/ moves down the beveled face q of said prong,1 C, in Contact with the outer edge of the slot g, draws the two sashes together, and so serves to prevent the rattling` of the sashes caused by Wind and storni.
I claim as anovel and useful invention and desire to secureby Letters Patent- The improved Window-fastener herein described, consisting,` of a catch portion A, adapted to be secured to a sash and provided with a catch c, having; a recess e, and a latch portion adapted to be secured to another sash,
and a bent lever, pivotally mounted and havin g a latch end, engageable in the recess e, of the catch c, and a spring E, adapted to move said lever, and a pawl F, mounted on the edge of the top plate of the latch portion and adapted to hold by a catch 7.1, the latch end of the lever D, against the action of the spring` E, and provided with a bent extension Z, adapted by contact with the top of the catch c, to lift said paWl out of engagement with the lever D, substantially as specified.
JOHN LOVE. lVitnesses:
HORACE lIonToN, HARRY Il. LOWE.
US557134D Island Expired - Lifetime US557134A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884276A (en) * 1957-03-14 1959-04-28 Fred Granberg Sash lock
US20040195843A1 (en) * 2003-04-01 2004-10-07 Anthony Rotondi Window fastener
US20070209285A1 (en) * 2006-02-28 2007-09-13 William Bestler Positive action lock for sliding windows
US20080246287A1 (en) * 2007-04-04 2008-10-09 Imperial Usa, Ltd. Window Lock with Automatic Latch Retention Mechanism and Associated Method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884276A (en) * 1957-03-14 1959-04-28 Fred Granberg Sash lock
US20040195843A1 (en) * 2003-04-01 2004-10-07 Anthony Rotondi Window fastener
US6848728B2 (en) * 2003-04-01 2005-02-01 Anthony Rotondi Window fastener
US20070209285A1 (en) * 2006-02-28 2007-09-13 William Bestler Positive action lock for sliding windows
US7676990B2 (en) 2006-02-28 2010-03-16 Truth Hardware Corporation Positive action lock for sliding windows
US20080246287A1 (en) * 2007-04-04 2008-10-09 Imperial Usa, Ltd. Window Lock with Automatic Latch Retention Mechanism and Associated Method
US8002317B2 (en) 2007-04-04 2011-08-23 Imperial Usa, Ltd. Window lock with automatic latch retention mechanism and associated method

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