Device capable of adhering to a wall surface by suction and trea

Details Device capable of adhering to a wall surface by suction and trea Device capable of adhering to a wall surface by suction and trea

1987-06-03

1989-08-29

Schmidt, Frederick R.

Brushing, scrubbing, and general cleaning

Machines

Wiping

15 17, 15385, 51180, 51273, 114222, B63B 900

Patent

active

048604003

ABSTRACT:
A device capable of adhering to a wall surface by suction by the pressure of an ambient fluid and treating the wall surface, which comprises a pressure receiver member and a partition defining a pressure reduction zone in cooperation with the pressure receiver member and the wall surface.
In one aspect, the partition has a sealing function of preventing inflow of a large amount of an outside fluid into the pressure reduction zone, and a treating function of treating the wall surface by being moved in a required manner.
In another aspect, the partition has the above sealing function, and a travelling function of moving the device, by being rotated about an axis of rotation slightly inclined to an axis which is substantially perpendicular to the wall surface.

REFERENCES:
patent: 2895266 (1959-07-01), Statler
patent: 3495358 (1970-02-01), Riedi
patent: 4095378 (1978-06-01), Urakami
patent: 4355487 (1982-10-01), Maier et al.

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