Double trolley overhead door operator

Details Double trolley overhead door operator Double trolley overhead door operator

E - Fixed Constructions

05

D

E05D 15/06 (2006.01) B61D 19/00 (2006.01) B61D 19/02 (2006.01) E05C 7/04 (2006.01) E05F 15/00 (2006.01) E05F 15/14 (2006.01)

Patent

CA 2402759

A door operator having a door hanger comprising a pair of double trolley assemblies disposed for linear movement within a hanger rail, wherein each trolley assembly further comprises two rollers mounted substantially opposite one another and engaging roller cavities within said hanger rail. Said door hanger is integrated with the drive system or is mounted independently of the drive system for replacement of the door hanger of the prior art or in new application requiring such independency between the door hanger and drive system.

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