Vacuum wall crawler

Details Vacuum wall crawler Vacuum wall crawler

1985-07-24

1987-05-12

Love, John J.

Motor vehicles

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

180 964, 180119, 180901, 305 35EB, B62D 5526

Patent

active

046642129

ABSTRACT:
A vacuum wall crawler is provided with a pair of endless belts at both sides of the frame, the pair of endless belts having at their outer surfaces a plurality of recesses each of which has a through hole. Air in the recesses is sucked through suction chambers, each corresponding to one of the recesses, by an ejector independently provided in conformity with the suction chambers.

REFERENCES:
patent: 1581849 (1921-07-01), Madsen et al.
patent: 3170532 (1965-02-01), Boppart
patent: 3597017 (1971-08-01), Tanaka
patent: 3777834 (1973-12-01), Hiraoka
patent: 3810515 (1974-05-01), Ingro
patent: 3991842 (1976-11-01), Larsen et al.
patent: 4044862 (1977-08-01), Savarimuthu
patent: 4132279 (1979-01-01), van der Lende

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