Window drive with back-curving chain

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 11/04 (2006.01)

Patent

CA 2742658

A drive chain for a window or skylight operator. The chain is configured to define a rigid predetermined shape when flexed in a first direction, while still enabling the chain to be coiled for storage in a housing when flexed in the opposite direction.

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