A constant force window balance system includes a mounting bracket defining a longitudinal axis, a coil spring, and a shoe. The shoe includes a first arm having a first inner surface and a second arm having a second inner surface. The shoe also includes a member extending between the first ...
A sash window balance assembly of the present invention is fitted in a window frame for guiding movement of a sash window. The assembly includes a coil spring secured to a flexible shoe having an opening through the shoe and a cam rotatably fitted in the opening. The opening has different ...
A window frame assembly made of hollow profiles where the components are welded together to form a channel or passage for a balance shoe is characterized by having the side walls of the balance shoe recessed so as to accommodate any flash that may be encountered at the weld seam of the weld...
Curl spring shoe based window balance system A window balance system for a tilt sash uses a pair of constant force curl springs having curled convolutions carried by sash shoes and free end regions mounted in sash shoe channels above the region of travel of the shoes. The recurl te... ...
and this necessarily pulls one shoe down below the other to where it can snap upward under spring tension when the lower pin is withdrawn. As the upward snap occurs, an extension counterbalance spring can contract coil-to-coil and transmit the snapping force to the top of the spring, where...
balance shoe assembly15. As is well known, the master frame14has opposed, vertically extending guide rails16. The sash window12has a hollow top sash rail20, a base22and a pair of hollow stiles24,26, cooperatively connected together at adjacent extremities thereof to form a sash frame, ...
Radiator Hose Retaining Spring Horse Shoe Clip Original VW Radiator Hose Retaining Clip Spring US$0.10-0.11 / Piece Custom Manufacturer Large Helical Spiral Heat Resistant Stainless Steel Ss Heavy Duty Railway Bogies Coil Compression Spring US$0.01-0.04 / ...
a将进线和出线分别接到相应位置上; Receives in separately the corresponding position the coil in and the going beyond a line;[translate] a我十分希望能为贵公司服务 I hoped extremely can serve for your firm[translate] aYesterday ended early in the inspection 昨天结束及早在检查[translate] ...
A jamb liner, or facing member, for movably mounting windows along their side edges in channels or runs, in which a concealed elongated chamber is provided for a coil spring or the like used as part of the balance or positioner mechanism by which the window is supported in different positio...
the shoes support curl springs. Curl springs are constant force coil springs that supply a constant retraction force when unwound. Traditionally, curl springs are placed within the shoe in the same way a metal tape is placed within the housing of a tape measure. One end of the curl spring ...