Air cushion lifting device

Details Air cushion lifting device Air cushion lifting device

1979-01-02

1981-06-30

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

254 93HP, B66F 324

Patent

active

042758696

ABSTRACT:
A lifting cushion apparatus is equipped with five inflatable compartments. Each of the compartments extends the full length of the cushion and is connected to adjacent compartments by air ways. Several cushions may be connected to a common source of compressed air. The cushions may be stacked with the compartments interconnected in the vertical direction by apertures. In use, a load supported on the lifting cushion apparatus remains substantially stable as the device is inflated to elevate the load.

REFERENCES:
patent: 1149114 (1915-08-01), Carlock
patent: 2804118 (1957-08-01), Bayerkohler
patent: 2938570 (1960-05-01), Flajole
patent: 3500948 (1970-03-01), Williamson et al.
patent: 4061310 (1977-12-01), Vetter

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