Pneumatic apparatus for lifting and lowering

Details Pneumatic apparatus for lifting and lowering Pneumatic apparatus for lifting and lowering

1992-07-20

1994-07-12

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Platform type

B66F 720

Patent

active

053281535

ABSTRACT:
A mobile pneumatic apparatus for combined pneumatic and manual lifting and lowering of heavy objects. A vertically reciprocable carriage is mounted on a trolley and is linked by a hauling device to a vertically reciprocable pneumatic piston associated with gas flow controls and a weight sensor. The piston may optionally be coupled with hydraulic braking means.

REFERENCES:
patent: 2963865 (1980-12-01), Thomas
patent: 4007826 (1977-02-01), Brown et al.
patent: 4230304 (1980-10-01), Tol
patent: 4337845 (1982-07-01), Zelli et al.
patent: 4759256 (1988-07-01), Kovit et al.
patent: 4955195 (1990-09-01), Jones et al.

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