Balancing spring system for sliding window sash

Details Balancing spring system for sliding window sash Balancing spring system for sliding window sash

E - Fixed Constructions

05

F

E05F 1/16 (2006.01) E05D 13/00 (2006.01)

Patent

CA 2333873

A balancing spring system for facilitating the opening and the closing of a window sash assembly slidably mounted in channels of opposed window jambs comprises a connector strip. The connector strip has a front surface and a rear surface. The connector strip also has slots extending from the front surface to the rear surface. The connector strip has a connecting head section at a bottom thereof, adapted for connection to the window sash assembly. Curled ribbon springs are adapted to be mounted idle and free to rotate in each of the channels of the window jambs. The curled ribbon springs each have a free end comprising an enlarged head portion at a tip thereof, for connecting the curled ribbon springs to the slots of the connector strip, whereby the curled ribbon springs apply an upward force to the window sash assembly.

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