Piston and drum drive system

Details Piston and drum drive system Piston and drum drive system

B - Operations, Transporting

66

D

B66D 1/02 (2006.01) B66D 1/44 (2006.01) B66D 1/56 (2006.01) B66D 3/22 (2006.01)

Patent

CA 2069494

A drum and hydraulic power drive system incorporated within the interior of a drum (10) used for reeling cable in and out, a reversible electric motor (20) which drives the drum (10) from the inside through a gearset (26, 28, 38, 40). Also carried within the drum is a hydraulic power generating system (21) including a manifold structure (42), a gear pump (55) driven directly from the opposite end of the reversibly motor (20) operating in a closed hydraulic circuit to supply hydraulic pressure for example to reversibly move a piston (49) in a cylinder (47).

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