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

1989-12-20

1991-04-09

Herrmann, Allan D.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 8A, 192 137, 187 9R, B66B 516, B66B 920

Patent

active

050056816

ABSTRACT:
An overtravel brake system for a storage and retrieval system which is automatically actuated when the load carriage lift motor is deenergized and the load carriage moves downward. The brake system includes a dog mounted on the load carriage and engageable with the mast, the dog being actuated by a chain or cable 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 of a clutch mechanism 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.

REFERENCES:
patent: 4603594 (1986-08-01), Grimm

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