Roller chain drive apparatus

Details Roller chain drive apparatus Roller chain drive apparatus

E - Fixed Constructions

05

F

268/46, 74/55

E05F 15/16 (2006.01) F16H 19/00 (2006.01)

Patent

CA 1115740

ABSTRACT OF THE DISCLOSURE A roller chain drive apparatus has a chain accommodator in which a roller chain having opposite ends is housed spirally. The forward end of the roller chain is reeled out by sprocket and recipro- cated along a guide rail for operating a garage door.

336446

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