Coke oven door lifter mechanism

Details Coke oven door lifter mechanism Coke oven door lifter mechanism

1974-03-13

1976-04-06

Spar, Robert J.

Traversing hoists

Overhead

Cable

202248, 110173R, B66C 1300

Patent

active

039483975

ABSTRACT:
A coke oven door lifter for a coke oven door, having a horizontal support bar and a spring biased locking bar, includes a lifter housing or frame having a vertical trackway therein. A movable member is guided in the trackway for vertical upward and downward movement and it carries a support arm which is engageable with the horizontal support bar of the coke oven door to lift it when the movable member is moved upwardly. A locking bar release member comprises a piston displaceable in a fluid pressure controlled cylinder which is displaced after the movable member is moved upwardly to contact and disengage the locking bar. The movable member is moved by a piston movable in a fluid pressure cylinder after the lifter housing or frame is moved into association with the door.

REFERENCES:
patent: 2183753 (1939-12-01), Potter
patent: 2442391 (1948-06-01), Wilputte
patent: 2478215 (1949-08-01), Van Ackeren
patent: 2588060 (1952-03-01), Tweit
patent: 2746610 (1956-05-01), Henseleit
patent: 2746611 (1956-05-01), Henseleil
patent: 2797820 (1957-07-01), Homan
patent: 2850173 (1958-09-01), Shimazaki
patent: 3014746 (1961-12-01), Hiby
coke & Gas June, 1947; pp. 175-176.

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