Elevatable work facility

Details Elevatable work facility Elevatable work facility

1994-11-22

1996-12-31

Gibson, Jr., Robert W.

Fire escape, ladder, or scaffold

Platform with elevating or lowering means

182113, 182115, 182127, E04G 118

Patent

active

055885004

ABSTRACT:
A scaffolding floor is provided on the upper ends of four expandable and contractible struts. A support frame protrudes downward from the scaffolding floor. An end of a line is connected to the lower end of the support frame and the other end of the line is connected to the fixed part of a hydraulic jack which is provided in the lower part of the struts, so that the scaffolding floor can be elevated or lowered through the line in accordance with the raising or lowering of the hydraulic jack.

REFERENCES:
patent: 3891055 (1975-06-01), Medlock

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