Cover lifting device

Details Cover lifting device Cover lifting device

1991-03-11

1992-08-18

Woodard, Joye L.

Distillation: apparatus

Apparatus

Accessories and details

202239, 212166, 212223, B66C 2318

Patent

active

051396190

ABSTRACT:
An apparatus and method for raising, moving and lowering a massive coker chute cover are provided. One embodiment of the invention comprises engaging the cover with a lift plate, raising the lift plate, and, moving the lift plate, the course of the movement being in the arc of a circle, lowering the lift plate, and releasing the cover from the plate.

REFERENCES:
patent: 1540630 (1925-06-01), Jenks et al.
patent: 3379623 (1968-04-01), Forsythe
patent: 3751854 (1973-08-01), Huwyler et al.
patent: 3944472 (1976-03-01), Lowe
patent: 3966060 (1976-06-01), Andrews et al.
patent: 4126520 (1978-11-01), Horster
patent: 4225393 (1980-09-01), Gregor et al.
patent: 4552622 (1985-11-01), Kwasnik et al.
patent: 5035336 (1991-07-01), Schmitz et al.

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