Rotor for a sash balance brake and pivot pin assembly

Details Rotor for a sash balance brake and pivot pin assembly Rotor for a sash balance brake and pivot pin assembly

E - Fixed Constructions

06

B

E06B 3/32 (2006.01)

Patent

CA 2226583

A sash balance brake and pivot pin assembly for a sash window that maintains the window substantially square prior to installation is disclosed. The pivot pin extends outwardly from the window sash. The sash balance brake is disposed within a track in the window frame and includes a rotor rotatably disposed within an expandable housing. The pivot pin has a collar for lateral en- gagement with the rotor to prevent the window frame from bowing away from the window sash, thereby maintaining the window frame substantially square. The rotor has a first slot and a transversely disposed second slot defining an inner surface. The inner surface includes an angled surface to resist breakage of the rotor when the window sash in installed into the window frame. The rotor also has a pair of flats at a first end to further resist breakage of the rotor when the pivot pin is positioned at an angle with respect to the rotor.

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