Unit adapted to be completely hidden in the ground and intended

Details Unit adapted to be completely hidden in the ground and intended Unit adapted to be completely hidden in the ground and intended

1979-02-14

1981-05-26

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Miscellaneous

1372346, 137363, 222527, 244114R, 244135R, B65B 304, B64F 128

Patent

active

042692407

ABSTRACT:
A refuelling unit for aircraft is moveable from a lower position completely hidden in a below-ground cavity to an operating position above ground. The unit has a sliding cover and means are provided for holding a vertically movable platform in intermediate position between the fully raised and lowered positions.

REFERENCES:
patent: 1867602 (1932-07-01), Stukenborg
patent: 2084548 (1937-06-01), Bennett
patent: 2434824 (1948-01-01), Watts, Jr. et al.
patent: 2642957 (1953-06-01), Watts, Jr. et al.

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