Pulley for double hung windows

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 11/42 (2006.01) B66D 3/04 (2006.01) E05C 7/06 (2006.01) E05D 13/00 (2006.01) E05F 1/00 (2006.01) E05F 11/48 (2006.01) E06B 3/44 (2006.01)

Patent

CA 2354694

The invention proposes a pulley apparatus (27) for use with double hung vertical sash windows. The apparatus (27) comprises a base (32) which supports a pair of pulleys (42). One or both pullies (42) may be adjustable. The apparatus (27) is adapted to be installed into a recess in a window head (20) so that it is flush with the head (20).

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