Carriage brake for a storage and retrieval machine

Details Carriage brake for a storage and retrieval machine Carriage brake for a storage and retrieval machine

1990-10-15

1992-08-25

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 77, 187 83, B66B 518

Patent

active

051410818

ABSTRACT:
A brake for the carriage of a storage and retrieval machine having a mast on which the carriage is mounted and on which the carriage moves in vertical directions for carrying objects to and from storage locations adjacent to the mast. A carriage drive including a rope connected to the carriage is provided for raising and lowering the carriage to and from positions adjacent the storage locations. The rope is connected under tension to the carriage and the tension is released when the rope becomes slack. The brake is mounted on the carriage and includes an actuating member and a resilient member movable into engagement with the actuating member in response to release of tension of the rope to move the actuating member along a predetermined path. The brake further includes a brake cam having an actuating section in the path of the movement of the actuating member and a toothed braking section adjacent to and spaced from the mast. The brake cam is pivotally movable into engagement with the mast along the braking section in response to engagement of the actuating section with the actuating member. As a result braking force is applied to the mast to brake the movement of the carriage.

REFERENCES:
patent: 111285 (1871-01-01), Weber
patent: 675159 (1901-05-01), Jones
patent: 710038 (1902-09-01), Burgart
patent: 720332 (1903-02-01), Day
patent: 744233 (1903-11-01), Read
patent: 1087560 (1914-02-01), Taylor
patent: 4529066 (1985-07-01), Wieschel

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