US510686A - Fastener for the meeting-rails of sashes - Google Patents

Description

(No Model.)

\ H. W. HOIOEDV FASTENER FOR THE MEETING RAILS 0F SASHES.

No. 510,686. Patented Dec. 12, 1893.

I mmunnn U ITED STATES PATENT OFFICE.

HORACE \V. HOOD, OF NASHUA, NEW HAMPSHIRE.

FASTENER- FOR THE MEETING-RAILS OF SASHES.

SPECIFICATION forming part of LettersPatent No. 510,686, dated December 12, 1893.

I Application filed December 5, 1892. Serial No. d,189. (No model.)

To a. whom it may concern;

Be it known that I, HORACE W. H001), of Nashua, in the county of Hillsborough and State of, New Hampshire, have invented certain new and useful Improvements in Sash- Locks, of which the following is a specifica-.

tion.

My invention relates to that class of sashlocks which in addition to securing the sashes so that neither can be moved up and down, serves to draw the meeting rails of the sashes together.

It is theobject of my invention to provide such improvements in sash looks as will simplify their construction, cheapen the cost of their manufacture, and atthe same time render the said devices more efficient and ready of manipulation than heretofore.

To these ends my invention consists in the construction and combination of parts as hereinafter described and claimed.

Referring to the drawings, in which the same letters designate the same parts or features, as the case may be, wherever they occur, Figure 1represents the different parts of the lock or fastener, each part being shown in perspective. Fig. 2-is a plan 'of the fastener, with the parts in their relative positions, together, and in an unlocked position. Fig. 3is a similar view with the parts in the position which they occupy when the lever has been given a nearly one-quarter turn. Fig. 4is a similar View with the parts in the position which they occupy when the lever has been given a full quarter turn. Fig. 5 is a similar view with the parts in the position which they occupy when the lever has been given a half turn and the parts are locked.

a is a stump plate having a hook a of a usual form.

. b is the base plate having a hole 1) for the rivet or pin e. A slot 1) is formedin the base plate and has a portion b concentric with the hole b, and a short radial portion b the end of which communicates with thepart b at an angle so as to form an inner incline or cam the pin e passes. Near the end of the slot 0 I toward the hook, are two pins 03, 0 the lower one c being adapted to enter the slot b of thebase plate. These two pins are located opposite each other on the catch, and they are preferably formed by means of a single piece of wire secured in a hole in the catch so as to project from the opposite sides thereof.

d is a lever having a handle d and the hole d for the pin or rivet e.

d is an eccentric slot extending one-quarfor way around the hole cl and terminating at its outer end in a short radial slot, 01

The parts being secured together in their .65 relative positions as shown, by the pin or rivet e, and applied to one of the sash rails of the window, and the stump plate being attached to the other sash rail, in the usual manner, the operation is as follows:-

When the parts are in the position shown in Fig. 2, and it is then desired to lock the sash rails and draw them together, the lever handle will be moved to the left and, owing to the pin 0 being in the radial slot d of the lever, the movement of the catch, with the lever, will be positive. When the pin 0 on the lower side of the catch strikes the outer incline or cam surface I) of the base plate, the catch will be thereby, drawn slightly inward (see Fig. 3), and a further movement in the same direction, will cause the catch to be drawn inwardly to such an extent that the pin 0 of the catch will be released from the radial slot d (See Fig. 4.) Further movement of the catch in a rotary direction, will be stopped, by the pin 0 engaging the side of' the short radial slot b of the base plate, while further movement of the lever in the same direction, will cause the eccentric slot d of the latter, to act on the pin 0 of-the catch, and draw the latter inward so that its hook engages the book a of the stump plate and draws the sash rails together. (See Fig. 5.) With the parts in this position, the catch 0 5 is firmly locked against lateral or swinging movement owing to its pin 0 being at the inner end of the short dial slot b of the. base plate and prevented fr m movement by the sides of the said slot. T e said catch is thus locked against swinging movement by means entirely independent of the stump plate or its hook.

When the sash rails are to be unlocked,"the

first quarter turn of t the lever handle, outward and totheright, causes the eccentric sl ot d of th'e'lever; acting on the pin 0 of thecatch, to push the catch backward until the lower pin 0 of the catch is in position opposite'the incline or cam surface b of the base plate.

A slight further movementofthe leverin the same direction, causes the said pin to ride up the said incline and at the same time the pin 0 of the catch, moves outward into the radial slot (Z of the lever and the lever and catch are thus locked together so that the latter is moved positively with the former"dur-' ing the completion of its movement back to the position shown in Fig. 2.

Having now described my invention, what I claim is In a sash lock the combination witha base 7

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