US948956A - Window. - Google Patents

Description

H. J. DAVISON.

WINDOW.

' APPLICATION FILED DEG. 18.1909.

Patented Feb. 8, 1910.

' dow showing the invention.

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HENRY JOGELYN DAV-ISON, or Moo'nrrnnn, BEXHILL, ENGLAND.

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Specification of Letters Patent.

Applicationlfited December 18, 1909. Serial No. 533,869.

- field, Bexhill-on-Se'a, in the county of Sussex, England, have invented new and useful Improvements in and Relating to W'indows,

ofavhiclkthefollowing is a specification.

The purpose of'this invention is to provide a locking device for windows in which two sashes are hinged together along a vertial or horizontal line and their remote edges are uided in a frame.

- It is a urt-her object of the invention to insure thoroughlocking of the window both 1 at the top and bottom.

To this end the invention comprises a' locking device'lying in the plane of thewindow sashes and adapted to press the sashes against one of the members of the frame. In the accompanying drawings Figure 1 is a general perspective view of a window of the type for which the invention is designed, and Fig. 2 is a cross section of such a win- Fig. 3 is a cross section of the upper art of the window showing a slightly mo ified form of the invention. 7

From' Fig. 1 it will be seen thatthe window frame comprises two horizontal members 1 and '2 and two vertical members 3 and 4. The window'itself comprises twoglazed sashes 5 and 6 hinged together where the meet at 7. The remote edges of the sas es have projecting pins 8 both at the top and bottom, and these enter holes in sliding members 9 and 10 respectively. The sliding members 9 at the bottom are simply metal blocks sliding in a metallic channel 11 suitably secured in the bottom member 1 of the window frame. The slides 10 at the top are recessed on their upper surface to receive a bar 12 of cam section secured in suitable bearings, not shown, at the end of the window. This bar may be rotated by any suitable means, such as for example a hand lever, in the manner shown in my Patent No. 937,580, granted on the nineteenth dayof October, 1909. In the construction shown the lockin bar 12 is cylindrical in its upper half, w ile the lower half is reduced relatively'to the cylindrical surface, but other forms of construction are admissible. It will be understood that when the bar is turned its upper surface continues to I bear against the channel member 13 in which the blocks 10 slide but the part of least radius being no longer presented to the slides 10, this will be ressed downward. This pressure, which su ces through friction, vto further prevent movement of the blocks 10 on the bar 12 is also transmitted through the window sashes to the blocks 9 at the bottom, and therefore prevents movement of these blocks in the channel 11. Thus the window is firmly locked both at the top and the bottom.

The channel piece 13 may be provided with a trough shaped projecting part 14 as indicated in Fig. 3. This will fit the cylindrical part of the bar 0 and thus give it a greater bearing surface.

It will be obvious that the locking device can be arranged equally well atthe bottom v of the window.

What I claim is z- 1. In a window, the combination of two sashes and means hinging them together, a window frame, guiding grooves in the plane ofsaid frame in opposite members thereof, sliding pieces pivoted to the sashes and mov ing in the grooves, and a locking device extending across the frame in one of said grooves arranged upon'rotation to press the sashes against the opposite member of the frame.

2. In a window, the combination of two sashes and means hinging them to ether, a window frame, guiding grooves in t e plane of said frame in opposite members thereof, sliding pieces pivoted to the sashes and moving in the grooves, and a locking deviceextending across the window frame and rotatable on its axis to exert pressure in the plane of said frame. I 3. In a window, the combination of two sashes and means hinging them to ether, a window frame, guiding grooves in t e plane of said frame in opposite members thereof,

Patented Feb. 8, 1910.

tion extending along one of the grooves, a non circular section extendin along the back bar. adjacent to said bar of non circular groove in the upper member etween the 15 i sliding pieces therein and the back thereof,

section adapted to support said bar throughand means for rotatmg said bar so as to exert out its length and means for rotating said bar of non-circular section, so as to exert pressure on the sliding pieces in the plane of pressure on the sliding pieces in the plane of the frame.

the frame. In testimony whereof I have signed my 20 5. In a window, the combination of two name to this specification in the presence of sashes and means hinging them together, a two subscribin witnesses.

window frame, guiding grooves in the plane HENR J OCELYN DAVISON.

of said frame in the top and bottom mem- Witnesses:

bers thereof, sliding pieces pivoted to the LEONARD E. HAYNES,

sashes and moving in said gr0oves, a bar of H. D. J AMESON.

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