US79248A - Improvement in sash-fasteners - Google Patents

Description

. is the key.

,the lock-bolt when the sash is fastened to UNITED STATES PATENT OFFICE.

HENRY NORTH, OF N EV BRITAIN, CONN ECTIOUT.

.IMPROVEMENT IN 'sAsH-FASTENERS.

Speciication forming part of Let-1ers Patent No. 79,2248, dated .Tune 22, 1868.

To all whom it may concern:

Be it known that I, HENRY NORTH, of New Britain, in the county of Hartford and State of Connecticut, have invented a new and Improved Sash-Lock; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanyfront elevation of a windowsash and frame or casing with my sash-lock attached,and with the sash represented as when fastened down by the lock-bolt. Fig. 2 is a view of the edge of thesash, showing the slot in which the bolt of the lock works when the sash is fastened down, and also a spring which bears against the bolt to keep the sash tightly pressed against the casing. Fig. 3 is a view of the key used in operating the lock when the lock is attached to the sash. Fig. 4 is a modification of the key to be used when the .lock is attached to the casing instead of the sash and used as a mortiselock.7

Similar letters of reference indicate corresponding parts.

A, Fig. l, represents the window-casing. Bis the sash. C represents the lock. D is the lock-bolt. E is a spring which bears against the bolt with a constant pressure. F G is a spring which bears against press the sash against the casing, so as to make a tight joint and prevent rattling. II is a socket-knob which slips over the square shank of the key, by which the key is turned when the lock is used on the casing or as a mortise-lo'ck, and which is removable from the key at pleasure.

As represented in Fig. l, the lock-bolt is projected into the sash, as when the sash is fastened down, but the key is turned, so that the bit 15 of the key is ready to raise the bolt. Vhen the bolt is fastened in Vthe position shown, the bit i of the key will stand in a vertical positioh, or nearly so, and will bear upon the lower side ofthe circular orifice through the bolt, or at or near the point` marked `J The bolt turns upon a pivot at f.

o is the circular slot or orice through the bolt, against the sides of which the biti of the key operates in raising the bolt up and in fastening it down. The key turns upon its pivot at h. By turning the key so that the bit ipoints up, the bolt will be entirely removed from the sash. The sash may be raised when the bolt and the key are in the position shown in Fig. 1. t

'The shoulder k of the sash will raise the bolt out of the slot L in the sash, and whenr the shoulder k leaves the bolt the end or lower corner of the bolt will be pressed against the edge of the. sash by the spring E, in which position the bolt will act as an effectual stop to the sash and prevent it from lowering until. it is turned up by the key. It will be secu that by this arrangement the sash may be held in any desired position.

The lock may be attached to eitherthe cas-l ing or the sash. In the former case the sashlockrand the key, Fig. 4, with the knob H, would be employed; but the construction of the lock and its action in securing the sash would be the same in either case.

Having thus described my invention, I claim as new and desire to secure by Letters Patentl. The combination of the bolt D, pivoted atf, with the shoulder la, and the leaf or bit i, for the purpose of locking the sash down when the lock is placed in the casing, or locking the sash up when the lock is placed inthe sash, substantially as herein described.

2. The spring G, operating, in combination with the bolt D, to press the sashlaterally against the casing and prevent rattling when the bolt is locked into the recess L, substantially as described.

3. So constructing and arranging the several parts of the lock described that the bolt D, which locks into the recess L, to secure the sash in the manner described, when The above Speeieation of my inventioii signed by me this 6th day of November7 1867.

elosedf'shell turn upward when the sash is l opened, :nud :met as L pewl or stop7 under the 1 influence of Jche spring E, to hold the sash in any desired position, :md which cm1 be raised, io release the sash, by the same leaf or bit, li, XVil'nesses:

which locks it' down, Substantially as herein NVM. F. MUNAMARA, speeiei'l. ALEX. F. ROBERTS.

HENRY NORTH.

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