Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1989-10-05
1992-09-08
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15325, 153271, 153272, 153277, 15339, A47L 536
Patent
active
051447169
ABSTRACT:
An electric cleaner is provided with a moving mechanism for avoiding or escaping an obstacle so as to turn and move a cleaner body when the cleaning body collides with the obstacle. According to the electric cleaner, even if the cleaner body is collided with the obstacle, it is easy to escape or avoid away from the obstacle to ensure a smooth travel of the cleaner body while preventing an overturn of the cleaner.
REFERENCES:
patent: 2751038 (1956-06-01), Acheson
patent: 2779432 (1957-01-01), Meyerhoefer
patent: 2814065 (1957-11-01), Hurd
patent: 2920337 (1960-01-01), Smith
patent: 3081478 (1963-03-01), Smithson
Sagawa Kouiti
Sakurai Hidetoshi
Sasai Gorou
Watanabe Syuji
Hitachi , Ltd.
Moore Chris K.
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