Chain guide for overhead door operator

Details Chain guide for overhead door operator Chain guide for overhead door operator

E - Fixed Constructions

05

F

E05F 15/00 (2006.01) E05F 15/16 (2006.01)

Patent

CA 2046938

CHAIN GUIDE FOR OVERHEAD DOOR OPERATOR ABSTRACT OF THE DISCLOSURE A chain guide is provided for the otherwise unsupported upper run of the endless roller chain of a motor-driven garage door operator. With the chain loop in a vertical plane, the chain guide takes the form of a trough having at its bottom an upstanding central ridge which supports the chain by its rollers and with the links clear of contact with the floor and sides of the trough. The chain guide is supported indirectly by the trackage of the door operator, being mounted upon the fixed rail spacer of one form and carried upon the movable trolley of the other.

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