Brake mechanism for a storage and retrieval machine

Details Brake mechanism for a storage and retrieval machine Brake mechanism for a storage and retrieval machine

B - Operations, Transporting

66

F

214/13

B66F 13/00 (2006.01) B66F 9/07 (2006.01)

Patent

CA 2031949

ABSTRACT An overtravel brake system (32) for a storage and retrieval system (10) which is automatically actuated when the load carriage lift motor (26) is deenergized and the load carriage moves downward. The brake system includes a dog (54) mounted on the load carriage and engageable with the mast (22), the dog being actuated by a chain or cable (124) which applies an actuating force to the dog actuating mechanism only after the load carriage has traveled a predetermined distance. The chain or cable is connected to the output member (90) of a clutch mechanism (76) operable in response to relative movement between the load carriage and the mast, and which is held in a disengaged condition when the lift motor is energized and is automatically shifted to an engaged condition when the lift motor is deenergized.

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