US1336242A - Sash-lock - Google Patents

Sash-lock Download PDF

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Publication number
US1336242A
US1336242A US29094719A US1336242A US 1336242 A US1336242 A US 1336242A US 29094719 A US29094719 A US 29094719A US 1336242 A US1336242 A US 1336242A
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United States
Prior art keywords
lock
sash
bolt
sashes
strip
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Expired - Lifetime
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Larson Edward
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Larson Edward
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Application filed by Larson Edward filed Critical Larson Edward
Priority to US29094719 priority Critical patent/US1336242A/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00Man-operated mechanisms for operating wings, including those which also operate the fastening
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F2700/00Operating mechanisms for sliding windows
    • E05F2700/04Devices for blocking sliding windows in general
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/20Window fasteners
    • 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
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0997Rigid

Description

E. LARSON.
SASH LOCK.
APPLICATION FILED APR.I8,1919.
1,336,242. ten ed Apr. 6,1920.
5] nvemtoz .9 fZu/ard L arsan,
3&1, his an o cwugbd any EDWARD LARSON, OF HARTFORD, CONNECTICUT.
SASI-I-LOCK.
Specification of Letters Patent.
Patented Apr. 6, 1920.
Application filed April 18, 1919. Serial No. 290,947.
To all whom it may concern:
Be it known that I, EDWARD LARSON, a citizen of the United States, and residing at Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Sash- Locks, of which the following is a specification, such as will enable those skilled in the art to which it appertains to make and use the same.
This invention relates to looks designed for use in connection with window sashes, and the object thereof is to provide an improved device of this class which is simple in construction and operation, and which may be cheaply and easily applied and by means of which the sashes of awindow may be locked either in their closed position, or in any desired position of adjustment so as to provide for ventilation; and with this and other objects in view the invention consists in a device of the class specified, constructed and operating as hereinafter described and claimed.
The invention is fully disclosed in the following specification, of which the accompanying drawing forms a part, in which the separate parts of my improvement are designated by suitable reference characters in each of the views, and in which Figure 1 is a transverse sectional view of a window frame and one of the sashes mounted therein and showing the other sash in full lines and my improved sash lock mounted for use;
Fig. 2 a section on the line 22 of Fig. 1; and,
Fig. 3 an inside view of the body or casing of the lock.
In the drawing forming part of this specification, I have shown at a one side of a window frame, and at b the upper or outer sash and at cthe lower or inner sash, and at d I have shown the main or body part of my improved sash lock which is mounted on and secured to the top rail 0 of the lower or inner sash 0. A
T he sashes b and c are provided with the usual counter-balance cords b and c and, in the practice of my invention, I secure to the central or dividing strip a of the window frame, and which separates the sashes b and c U-shaped casings e which are spaced at regular intervals on said strip, and the corresponding side of the upper or outer sash b is provided at similar intervals with countersunk plates 6 which are secured thereto, and the sides of the U-shaped casings e and the plates 6 and the central bead or strip a are provided with corresponding apertures 6 The main or body part at of my improved sash lock consists of a casing which is open at the bottom and which may be cast or stamped from sheet metal, and said body part is provided at two of its sides with flanges (Z through which are passed screws 03 to secure the body part of the lock to the top rail of the lower or inner sash 0 and another screw 03 is also passed through one corner of the body part of the lock for the same purpose.
I also employ a lock bolt f which is mounted in the body portion or casing of the lock and which comprises two parallel members f and 7 which extend in opposite direction, and a central transverse bod portion f by which the parts f and f are connected, and the part i of the lock bolt passes through the inner side of the body or casing of the lock and is adapted to pass through the apertures c in the parts 6 e and a as clearly shown in Figs. 1 and 2, while the part f of the lock bolt passes through and is movable through the outside of the body or casing of the look as is clearly shown in said figures, and mounted on the part f of the lock bolt, within the body portion or casing of the lock, is a spiral spring 9 which normally serves to force the lock bolt inwardly or into operative position as shown in Fig. 2.
The central or transverse portion f of the lock bolt is provided with an upwardly directed screw-threaded stud f which passes through a slot i in the top of the body portion or casing of the lock and a thumb and finger nut or similar device h is mounted on said stud as clearly shown in Fig. 2, and by means of this construction the lock bolt may be locked in itsinoperative position as shown in Fig. 1, or in its operative position as shown in Fig. 2, and said bolt may be moved outwardly against the operation of the spring 9 into the position shown in Fig. 1 by means of the thumb and finger nut h, which serves as a handle for this purpose, and when it is desired to lock the sashes either in the closed position or in any desired position of adjustment, they are moved into such position that one of the U-shaped casings 6 will register with one of the plates e and the thumb and finger nut h is turned so as to loosen its 'grip on the top of the body portion or casing of the lock and the spring 9 will automatically operate to throw the lock bolt into the operative position shown in Fig. 2, and when it is desired to move the sashes, or either of them into an open position, the thumb and finger nut h is operated to draw the lock bolt into the inoperative position shown in Fig. l, and said lock bolt is locked in such position by turning said nut.
l/Vith my improved sash look, as will be understood, the sashes may both be locked in their closed position, or either one of them may be locked in anopen or partially open position, or both of them may be locked in an open or partially open position, and as the lock can only be operated or manipulated from the inner side of the window,.the sashes cannot be opened when in a closed position from outside of the window, nor can said lock be operated from the outside of the window when said sashes are only slightly open for ventilating or similar purposes.
lVhile I have shown and described the form of construction which I prefer in carrying my invention into effect, the said invention is not limited to the details of construction herein shown and described, and changes therein and modifications thereof may be made, within the scope of the appended claims, without departing from the spirit of my invention or sacrificing its advantages.
'The body portion (Z of the sash lock is preferably cut out at one side thereof as shown at d to permit the passage of the counter-balance cord 0 it being understood that the sash lock is mounted as close as possible to the window frame to permit of the passage of the part f of the bolt 7 through the separating strip (E, or the apertures formed therein, and while I have shown the apertures in said strip as reinforced by the U-shaped casings, my invention is not limited thereto, or to the use of the plates 6 on the sash Z), as both of these parts may be made continuous, if desired.
' Having fully described my invention, what I claim as new and desire to secure by Letters Patent, is g 1. In a window sash lock, a body or casing adapted to be secured to the top of the lower or inner sash and provided with a spring controlled bolt movable forwardly and backwardly therethrough, one part of said bolt being adapted to pass through an aperture in the central bead strip of the window frame which separates the sashes and into an aperture in the upper or outer sash to lock said sashes together and to said bead strip.
2. A sash lock device of the class described comprising side plate casings secured at intervals to thecentral bead strip of a window frame which separates the sashes, corresponding plates secured at intervals to the upper or outer sash, said side casings, said head strip and said plates being each provided with bolt apertures in common vertical alinement, a lock body adapted to be secured to the top of the inner or lower sash in juxtaposition to said head strip, and a spring-controlled bolt mounted in said lock body and the inner end of which is adapted to project into the apertures in said strip and upper sash and the outer end of which is freely movable through the front side of the lock body.
.3. A sash lock device comprising a lock body adapted to be secured to the top of the inner or lower sash and provided with a slot, a spring controlled bolt movably mounted in said lock body and comprising a central transverse body portion and parallel and oppositely directed end portions, the central bodv portion being'provided with a stud which passes throughsaid slot, a thumb nut mounted on said stud and adapted to lock said bolt in connection with said lock body in operative and inoperative positions, the inner end of said bolt being adapted to project through one of a number of apertures in the central bead strip of a window frame and into one of a number of apertures in the upper or outer sash to lock said sashes together and to said bead strip.
In testimony that I claim the foregoing as my invention I have signed my name in presence of the subscribing witnesses this 14th day of April, 1919.
' EDWARD LARSON.
Witnesses:
JAMES OBRIEN, WILLIAM H. CATLIN.
US29094719 1919-04-18 1919-04-18 Sash-lock Expired - Lifetime US1336242A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731286A (en) * 1954-05-14 1956-01-17 Isaac L Bandy Sash lock
US3869887A (en) * 1973-05-30 1975-03-11 Harry Zeit Surface mounted lock unit for sliding doors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731286A (en) * 1954-05-14 1956-01-17 Isaac L Bandy Sash lock
US3869887A (en) * 1973-05-30 1975-03-11 Harry Zeit Surface mounted lock unit for sliding doors

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