US708919A - Sash-lock. - Google Patents

Description

m. 708,9!9. Patented Sept. 9, I902; -J. T. PETHICK.

SASH LOCK.

Appl ton fildM 6 1902 (mi Model.)

UNITED TATES JOHN T. PETHICK, OF CARBONDALE, PENNSYLVANIA.

SASH-LOCK.

SI-ECIFIGATION forming part of Letters Patent N 0. 708,919, dated September 9, 1902.

Application filed March 6,1902.

To all whom it vita/y concern.-

Be it known that I, JOHN T. PETHIOK, a citizen of the United States, residing at Carbondale, in the countyof Lackawanna and State of Pennsylvania, have invented a new and useful Improvement in Window-Sash Looks or Fasteners, of which the followingis a specification.

My invention relates to an improvement in window-sash looks or fasteners; and its object is, primarily, of course to provide an effective fastener which cannot be tampered with from the outside and one at the same 'time which will draw the meeting-rails of the sashes securely together when fastened, whereby to prevent rattling and the ingress of air.

Further objects are to provide a simple and neat-appearing fastening which can be easily and quickly applied and will occupy as little space as possible and which is held in place largely by the position it occupies in the sash without being entirely dependent upon the screws or screw which holds it in place, as is usually the case with other fasteners.

With the foregoing objects in view my invention consists in a cup adapted to enter a hole or socket in one of the vertical rails of the upper window-sash in connection with a pivoted catch which swings into and out of the cup and when in the cup is below the outer surface of the rail, so that it is protected and guarded, and a plate or block secured on the meeting-rail of the lower sash, with which the pivoted catch engages.

In the accompanying drawings, Figure l is a View of a portion of two window-sashes, showing my improved fastener or look in position therein. Fig. 2 is a vertical section through the sashes and fastener. Fig. 3 is a detached view of the cup, and Fig. 4 is a similar view of the catch. Fig. 5 is a detached view of the plate or block on the lower sash.

The lock or fastener consists of four parts, which will now be described.

A is a cup whichmay be variously formed, but preferably cylindrical, and adapted to fit in a correspondingly-shaped hole 1, bored into the vertical rail of the upper sash, and sunk into the latter just so its outer edge is Seiial No. 96,980. (No model.)

flush with the surface of the vertical rail. In the bottom of the cup and extending into the opposite sides a vertical slot 2 is formed for the reception of the pivoted catch E, which latter constitutes the second element of the invention. This catch is provided at opposite ends with bearings 3 3,, which turn or rock in the portions of the slot 2 in the flange of the cup, where they are held by the spring 0, which is the third element of the invention. The function of the spring is not only to hold the catch in place, but also to retain it in either of its extreme positions by engaging the angular inner edge of the catch. The spring rests upon the bottom of the cup and may be inserted or slid in position through a slot 4. The catch is capable of swinging ninety degrees. When swung inward, it is completely housed by the cup and retained in that position by the spring, and it is out of the way or path of the meeting-rail of the other sash. When swung outward in the position of fastening or locking, the wall of the side or flange of the cup forms a stop in one direction and the spring prevents its accidental inward movement. The catch is preferably provided with a knob 5, by which itis manipulated. At its lower end it has a notch 6, the purpose of which will be described hereinafter.

D indicates a plate or block placed upon the upper surface of the meeting-rail of the lower sash. This is provided with a cam-lug 7, which is received in the notch d of the catch, and by its cam formation the catch draws the meeting-rails of the sash securely together as it is swung outward. As the vertical rail of sashes always extend a little back from the edge of the meeting-rail it is possible to place this plate or block so that it overlaps this portion or projects over to the surface of the vertical rail,thus guarding against the possibility of operating the catch or fastener from the outside.

One or two of these fastenings may be used on a window, as desired, and when used the fastener or look constitutes an effectual securing device which cannot be operated from the outside and which at the same time will prevent rattling of the windows or air from passing between the meeting-rails. At the same time the device is simple and can be easily applied to any window in use without the exercise of great mechanical skill.

Various slight changes might be resorted to in the form and arrangement of the several elements of my invention without departure from the spirit of the invention, and hence I wish it understood thatI do notlimit myself to the precise details shown and tie scribed; hut,

Having fully described my invention, What I claim as new, and desire to secure by Letters Patent, is-- 1. The combination with a plate or block having a lug thereon, and adapted to he secured on the meeting-rail of the lower sash of a window, of a cup having a vertical slot in its bottom and extending into its sides, a catch having bearings which turn or rock in the ends of said slot, said catch having a notch to receive the lug on the plate or block on the other sash, and a spring for retaining the catch in one of two extreme positions.

2. The combination with a plate or block having a lug thereon, and adapted to be secured on the meeting-rail of the lower sash of a window, of a cup having a vertical slot in its bottom and extending into its sides, a catch having bearings which turn or rock in the ends of said slot, said catch having a notch to receive the lug on the plate or block on the other sash, a spring for retaining the catch in one of two extreme positions, the position of the catch in the slot being such that the walls of the side or flange of the cup form a stop in one direction for the catch.

3. The combination with a cup having a round flange or casing, of a catch pivoted therein and adapted to be housed in the cup when closed, said catch pivoted at one side of the cup-center and the flange or casing limiting its movement when swung open or out- Ward.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

JOHN T. PETHIOK.

\Vitnesses:

JOHN F. REYNOLDS, J. A. GARDNER.

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