US808586A - Sash opener and fastener. - Google Patents

Description

PATENTED DEC. 26, 1905.-

No. 808,586. v

H. B. SYNAR.

SASH OPENER AND FASTENBR.

APPLICATION FILED JAN. 4.1905.

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UNITED sTATns PATENT oni-iron.

SASH OPENER AND FASTENER.

Specification of Letters Patent.

Patented Dec. 26, 1905.

Application filed January 4, 1905. Serial No. 239,629-

To all whom, it may concern:

Be it known that l, HARRYB. SYNAR, a citi- Zen of the United States, residing at Poughkeepsie, in the county of Dutchess and State of New York, have invented new and useful Improvements in Sash Openers and Fasteners, of which the following is a specification.

This invention relates to combined locking and elevating devices for window-sashes, the object of the invention being to provide simple, reliable, and eiiicient means for raising the sash without any exertion on the part of the operator beyond releasing the sash-locking means and to provide coacting locking means whereby the sash may be held in any desired position.

Another object is to provide spring-motor mechanism for raising the sash which will be automatically wound or set by the downward movement of the sash and which will permit of the usual counterbalancing-weights being dispensed with.

With these and other objects in view the invention consists of the features of construction, combination, and arrangement of parts hereinafter fully described and claimed, reference being had to the accompanying drawings, in which- Figure 1 is a vertical transverse section showing a sash and sash-frame equipped with the invention. Fig. 2 is a similar view, on an enlarged scale, through one of the spring-motors and associated rack -bar on the sash. Fig. 3 is a vertical section showing one of the motors in end elevation and also showing the associated locking mechanism. Fig. 4 is a fragmentary face view of the rack-plate, and Fig. 5 is a detail section on the line 5 5 of Fig. 1.

Before proceeding with a more detailed description it may be stated that in the form of my invention herein shown I employ means for locking the sash in closed osition, and in connection with said sash l a so employ suitable means by which on release or disengagement of the sash the same is operated to be elevated without exertion upon the part of the operator.

While my improvements are capable of use in connection with the ordinary windowsashes of houses and similar structures, they are especially adapted for car-windows, all as will be hereinafter more fully described.

Reference being had to the accompanying drawings by the designating characters marked thereon, 1 represents the frame of an ordinary car or similar window having the hollow ambs or side pieces 2 and a sill or base piece 3 against which the lower sash closes, and 4 represents the lower sash, which is mounted to slide vertically in guides in the frame in the ordinary manner.

ln accordance with my invention the frame 1 is extended below the sill 3 to form a base-compartment 5, and the side rails of the sash 4 are provided with downwardly-extending bars or ylegs 6, which when the sash 4 is closed extend down into the said compartment 5, as shown in Fig. 1. The inner faces of the bars 6 travel in contact with antifrictio-nrollers 7, carried by metallic plates 8, suitably secured to the frame 1 within the compartment 5, these plates being arranged to have a slight yielding or spring movement to adapt said rollers to accommodate themselves to variations in the bars and sash due to climatic conditions. The rollers guide the bars in a determined path, and thus adapt the sash to freely move in the frame 1 The resilient plates 8 consist of comparatively thin long and narrow strips secured at their ends in the window-frame in any preferred manner, but which may be, as shown, fitted in recesses formed in the sill 3 and bottom of the base-compartment 5, which construction will permit the plates to have the necessary resiliency. Each strip carries a pair of bearing-rollers 7 arranged, respectively, near the upper and lower ends thereof. In order that the strips may fit close to the bars 6, they are preferably provided with slots 7EL to partially receive the rollers 7, which latter are jourlnaled in bearing-lugs 7 b projecting from the outer faces of said strips on opposite sides of the slots.

To the outer side of each bar 6 is secured a rack-bar or plate 9, having a series of teeth or recesses formed by equidistantly-arranged slots 10, as shown in Fig. 4. These rackplates extend upwardly to a point above the sill-piece of the sash 4 and sill 3 of the frame 1 when the sash 4 is closed and are engaged by spur gear-wheels 11 of spring-motors arranged at the base of each side piece 2 of the frame 1. Each gear 11 comprises a series of teeth arranged upon a drum 12, having closed end walls 13, pierced for the passage of a rod or shaft 14', on which the drum is mounted for rotation, the said end pieces of the drum being provided with sleeves 14, which project laterally therefrom and bear at their outer ends against frame-plates 15, which are connected and held properly lOO IIO

spaced by tie-rods or bolts 16. The rod or shaft 14 is fixed at its ends in said plates 15, and arranged within the drum or casing 12 is a coiled spring 17, one end of which is made fast to the intermediate portion of said shaft, as shown at 18 in Fig. 2, while the other end thereof is connected to the outer wall or periphery of the casing, as shown at 19. This spring is adapted to be wound up by the retrograde rotation of the drum through the ac-` tion of the rack 9 on the teeth of the gear when the sash 4 is lowered. Ihen the motor is thus set or wound up and the sash 4 is released, the reaction of the spring in unwindin'g will rotate the gear to raise the sash without exertion on the part of the operator. By the use of two motor devices and gears ofthe construction described at opposite sides of the frame 1 the sash 4 will be evenly raised and prevented from binding against its guides in the casing. When the sash is lowered, the bars 6, carrying the rack-plates 9, pass downward into the base chamber or compartment 5 and are thus concealed from view. -These bars are of such length as tov permit the rack-plates to be formed with the required number of teeth to permit the gears to elevate thc sash to its fullest extent.

The construction herein shown discloses the application of the invention for the purpose of raising the lower sash of a window; but it will of course be understood that the operating parts may be duplicated at the top of the frame to enable the upper sash to be lowered or raised as desired without exertion on the part of the operator and locked in adjusted position by the locking mechanism, which I will now proceed to describe.

A latch, bolt, or dog 20 is provided to engage lugs 20von the side of one of the gears 11 and is mounted to slide in a casing 21, set into the front face of one of the sides 2 of the window-'irame, the said casing being closed at its inner or front side by a suitable coverplate 22. The latch or dog 20 is provided with a reduced stem 23, which fits and slides in an opening in the plate 22 and is surrounded by a coiled spring 24, which normally serves to project the latch 20. In one of the edges of the latch 20 is formed a recess 25, which is engaged by the free end of one of the arms of a lever 26, fulcrumed in the casing on a pin 27, the opposite arm of said lever having a slot receiving'a pin 28 on the shank of an actuating push-button 29. The shank of the push-button slides in an opening in the casing-cover 22, and the button itself is arranged to work within a socket 30 in the Jfront or inner side of the window-casing, so that by pushing the button inward with the thumb or linger'the latch or dog 20 will be rep tracted and allow the gear-wheel to be rotated by its actuating-spring, thus raising the sash 4. The sash may be locked at any elevation by releasing the button 29, wheresos,5se

upon the spring 24 will project the latch into engagement with one of the lugs of the gearwheel and hold the same from further rotation.

From the foregoing description, taken in connection with the accompanying drawings, the construction and mode of operation of the invention will be understood without a further extended description.

Changes in the form, proportions, and minor details of construction may be made within the scope of the invention without departing from the spirit or sacrificing any of the advantages thereof.

I-Iaving thus described the invention, what is claimed as new is- 1. In a sash elevating and locking means, the combination of a window-frame, a sash provided upon its side bars with rack-teeth, motor-gears arranged at the opposite sides of the window-frame and engaging said rackteeth, means for locking the motor-gearsagainst rotation, yielding pressure bars mounted on the frame and coextensive in length with the range of travel of the sash, and friction-rollers arranged in spaced relation upon said bars and held with yielding pressure thereby against the side bars of the sash to guide the same in its movements.

2. In a sash elevating and locking device, the combination of a window-frame, a sash provided upon its side bars with rack-teeth, motor-gears arranged at opposite sides ofthe window-frame and engaging the rack-teeth, means for holding the sash against movement, spring pressure-plates arranged in the frame and coextensive in length with the range of travel of the sash, and a pair of rollers mounted upon each pressure-plate adj acent the ends thereof and adapted to bear with yielding pressure against the side bars of the sash to guide the latter in its movements.

3. In a sash elevating and locking device, the combination of a sash provided with rackteeth, a spring-actuated motor-gear mounted on the Jrame and engaging said rackteeth, and locking mechanism for holding the gear againstrotation, said locking mechanism comprising a sliding spring-actuated bolt adapted to engage the gear, an intermediatcly-pivoted lever connected at one end with the bolt and a sliding finger-piece pivotally connected with the opposite end of the lever, the window-frame being provided with a socket for the reception and free movement of said 'Finger piece, substantially as described. e,

4. In a sash elevating and locking device, the combination of a window-frame, a sash provided with rack-teeth, a spring-actuated IOO IOS'

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motorgear engaging said teeth, a casing ISO sas

bolt having a stem guided by the casing, a ing provided in its inner face with a receiv spring surrounding said stem between the ing socket or recess7 and a button or head casing and bolt and serving to normally proupon the finger piece movable into said ject the bolt, a lever intermediately pivoted socket 0r recess.

5 in said casing andconnected at one end with In testimony whereof I affix my signature 15 the bolt, and a sliding finger-piece movable in presence of two witnesses.

in an opening in the easing and pivoted to HARRY B. SYNAR. the other end of the lever, whereby the latter Witnesses: may be actuated to retract the bolt against ALEXANDER Dow,

ro the pressure of its spring, the sash-frame be JOHN BECKETT.

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