US1118561A

US1118561A - Sash-balance.

Info

Publication number: US1118561A
Application number: US76011413A
Authority: US
Inventors: William Ernest Laycock
Original assignee: Individual
Current assignee: Individual
Priority date: 1913-04-10
Filing date: 1913-04-10
Publication date: 1914-11-24
Anticipated expiration: 1931-11-24

Description

W. E. LAYOOGK.

SASH BALANCE. 7 APPLICATION FILED APR.10, 1913- 1,1 18,561. Patented Nov. 24, 1914.

rnaiiriiiio s ratrns ATENT OFFICE.

wiLLIAr/r ERNEST Larcocn, or SHEFFIELD, ENGLAND.

SASHTBALANCE; i

liranicl windows for yeltiicles. In doors oi nio cars and other vehicles it has )l. hitherto been found dillicult to apply so called :lmmelcss windows 111 NEW oi the fact that the lazy tongs employed lOlTflV'lll- (lows of this class together with. the spring for overcoming;- the weight oi? the window, require more space than is obtainable at the bottom oi? the door. which usually, For the sake oi appearance, has the front lower corner rounded oil. gain as the said door is more or less curved at the lower portion when. viewed ed; wise on, the rigidity of the cmmterhalancing gear as a whole does not perinit the window to be lowered beyond a, certain point as the said gear would foul the hack oil the front panels of the said door.

The present invention has for its object to provide an arrn'ngen'ient oil the window and the lazy 'ear wherel'iy the aforesaid objections he avoided and to this end it comthe improvements; hcreinaiter dced and pointed out in the claim and lo virtue o'twhich the lazy tongs is permitted to adjust itsellt' at a suliicicnt angle relatively to the window to enalile the said whirl-1m to he lowered or raised to such extent as: may he desired.

in order that the invention may he the hotter unda'stood drawings are appended in which ll igure l is a rear view oi a door embodying: the present invention the interior panels homo: removed and the window shown open. l ig. is a similar View with the window closed. Fig. Fl is a vertical section on line A A l igs. i and are respectively views showing; to an enlarged scale the knuckle joints or connections at the upper and lower ends of the lazy tongs.

Referring to the appended drawings a Specification of Letters Patent.

improved construction and Patented Nov. 24, 19114;

Application filecl April 10, 1913.. Serial No. 760,114.

indicates generally the door which as shown in Figs. 1 and 2 has the lower corner a rounded oli'. The door is also as shown in Fig. '3 so far as its vertical sectional outline is concerned curved at its lower portion a. It will however be understood that so :iar as the illustrations are concerned that both the extent of the rounding off of the corner a and the curvature at a or of the door generally will vary considerably in accordance with the general contour of the exterior surface of the vehicle.

7) indi cates the metal channel shaped member in which is secured in any desired manner the sheet of glass 0. Secured by screws (Z to the under surface of the mom: her 7) are brackets (Z from which project perforated lugs (Z and through which lugs pass pins 0. j The pins 0 also pass through perforations in the ends of the upwardly extending lugs at eachend of the frame 9 and through which lugs pass the hooks g to which are attached one end of the springs .0 their outer end and have upon them:nuts g whereby the tension of the springs 9 may be adjusted. The springs at theirlopposite ends are attached to the hooked shaped extremities h of the upper end of a system of lazy tongs h and which lazy tongs are connected by means of a knuckle joint indicated generally by t to the upper surface of the lower member a of the door frame. lly means oi: this arrangement as Wlllbe readily understood the lazy tongs when the window is lowered may assume a position such that they lie at such an angle to the curved surface of the inner and outer panels of the door that they do not foul said The hooks are screw threaded at surfaces and the window may be raised or ing memher therefor, lugs at each end of ends of said springs and knuckle joint at said member, a frame having corresponding the lower ends of said tongs. 1O lugs, pins passing through the aforesaid In witness WhereofI have subscribed my pair of lugs, lazy tongs connected at their signature in the presence of two Witnesses. upper ends to said frame, springs connect- WVILLIAM ERNEST LAYCOCK.

ed to the upper ends of said tongs at one Witnesses: I end,t members adjustable in the lugs at the v THOS. DURNAN,

end of the frame connected to the other A. GEO. WILD. v

Copies of this patent may he obtained for five cents each, by addressing the Commissioner of ."Patents. Washington, D. C. i