Device capable of suction-adhering to a wall surface and moving

Details Device capable of suction-adhering to a wall surface and moving Device capable of suction-adhering to a wall surface and moving

1988-03-25

1990-05-22

Marmor, Charles A.

Motor vehicles

With powered means for creating fluid force to attract...

51273, 114222, 180127, 180901, 2482064, B60B 3900

Patent

active

049269577

ABSTRACT:
A device comprising a main body, a motor and drive wheels mounted on the main body, a partitioning member mounted on the main body and defining a pressure reduction space in cooperation with the main body and a wall surface, and a vacuum pump for reducing the pressure of the pressure reduction space. The device can suction-adhere to the wall surface by the pressure of an ambient fluid acting on the main body owing to the difference in fluid pressure between the inside and outside of the pressure reduction space and move along the wall surface by the action of the moving member. The partitioning member has an outside wall portion extending from its one end to a contacting portion contacting the wall surface and an inside wall portion extending from the contacting portion to its other end. A stretchable and contractible portion is provided in at least one of the outside and inside wall portions, and the contacting portion moves toward and away from the wall surface by the stretching and contracting of the stretchable and contractible portion.

REFERENCES:
patent: 2815919 (1957-12-01), Pribil
patent: 3495358 (1970-02-01), Riedi
patent: 3892287 (1975-07-01), Bennett
patent: 4095378 (1978-06-01), Urakami
patent: 4193469 (1980-03-01), Graf
patent: 4688289 (1987-08-01), Urakami

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