US330591A - William lang - Google Patents

Description

W. LANG.

SASH LOCK.

(No Model.)

Paitentqd Nov. 17, 1885.

WIT NESE: E5-

INVEN m R N. PETERS. Fhoio-ljflwg'nphur, Washington. D. C.

UNITED STATES PATENT OEEIcE.

WILLIAM LANG, OF NEW YORK, N. Y.

SASH-LOCK.

SPECIFICATION forming part of Letters Patent No. 330,591, dated November 17, 1885.

Application filed August 7, 1885.

To aZZ whom it may concern.-

Be it known that 1, WILLIAM LANG, of the city of New York, in the county and State of New York, have invented a new and Improved Sash-Lock, of which the following specification is a full, clear, and exact description.

This invention relates to a new sash-lock, which permits either sash to be locked to the Window-frame. The invention consists in the various elements of improvement hereinafter more fully pointed out.

In the accompanying drawings, Figure 1 is a transverse section of a window-frame on the line a :r, Fig. 2. Fig. 2 is a front View of the right-hand side of the window-frame with the face-plate and plate g removed. Fig. 3 is a detail front view of the plate m.

The letter a represents one of the upright sides or jambs of a window-frame. b is the upper, and 0 the lower, sash. Within the frame a there are located two racks, d d, opposite, respectively, the upper and the lower sash. Each of the racks d is pivotally connected to a lever, e, such levers turning on fulcrums formed by lugs f, projecting from plates 9, rigidly fixed within frame a. The free ends of levers e are perforated for the admission of a sliding hand-rod, h, projecting out of frame a into the room. Small stops 2' on rod h cause the upper lever e to be oscillated when rod h is drawn into the room, and the lower lever e to be oscillated when such rod is pushed outward. The plates g are perforated for the admission of pins 9', bearing with one end against racks d and encircled by a spiral spring, is, between rack 11 and plate To the lower end of the lower sash, a, there is affixed a pin, a, that engages lower rack dwhen it is in its normal position. A similar pin, 7), on the upper end of the upper sash, engages the upper rack, d. V

The operation of the parts thus far described is as follows: The pins 0 b engaging racks (1 cl, the sashes c b are locked to the frame a. When it is desired to unlock the upper sash, the hand-rod h is drawn into the room to oscillate upper lever e and to draw upper rack d backward against the action of springs h. The pin 1) will now be free of rack d, and the sash b may be moved down or up.

Serial No. 173,838. (No model.)

The parts work in a similar way in relation to the lower sash, with the exception that the rodh must be pushed outward in order to disengage the pin 1" from rack d.

In order to unlock permanently either the upper or lower sash, the rod h is provided with two notches made to engage a small faceplate, Z. When the outer notch of rod h engages such plate, the upper sash will be permanently unlocked, while when the inner notch engages such plate the lower sash will be permanently unlocked. The plate m (shown in Fig. 3) is the parting-bead of the sash-frameviz., one of the parts through which the pins b 0 project into frame a.

In order to properly operate the sashes in connection with myimproved fastening, Ihave devised the following pulley-and-weight ar- 7 rangement: To upper pin, 1), is attached one end of a rope, n, passing over two upper pulleys, 0 0, and then forming a loop, upon which is hung a loose pulley, p, to which the weight g is secured. The rope n then passes over a third upper pulley, o, and over two lower pulleys, 0" 0, and is finally attached to the pin a of the lower sash, c. It will be perceived that when the upper sash is lowered the weight q is drawn up, while when the lower sash is raised the weight is lowered. Thus only one weight is used at each side of the sash-frame. If desired, the knob of hand-rod h may be removable, so that when taken off the sashes cannot be opened by unauthorized persons.

applied to one sash only, if desired.

I claim as my invention 1. The combination of frame a and sash b, having pin b, with rack d, pivotally connected to lever e, and with rod h for operating such lever, substantially as specified.

2, The combination of frame a and sashesb 0, having pins b a, with rope 12, running over upper fast pulleys and secured to pins 1) c, and 5 with the loose pulley p and weight g, suspended from rope 'Ib, substantially as specified.

WILLIAM LANG.

Witnesses:

F. v. BEIEsEN, BoB'r. H. RoY.

5 The improvement herein described may be

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