Rotary travelling surface treatment device

Details Rotary travelling surface treatment device Rotary travelling surface treatment device

1986-12-19

1988-01-19

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

51177, 404112, A47L 1116

Patent

active

047196599

ABSTRACT:
A rotary travelling device comprising a main supporting member rotatably around a first axis substantially perpendicular to a travelling surface, a subsidiary supporting member mounted on the main supporting member for free rotation around a second axis substantially parallel to the first axis, a rotary disc mounted rotatably on the subsidiary member, and a driving means for rotating the rotary disc. The central axis of rotation of the rotary disc is not perpendicular but inclined to the travelling surface, and the under surface of the rotary disc comes into inclined contact with the travelling surface. The device is further provided with means for rotating the subsidiary member around the second axis according to the rotation of the main supporting member around the first axis.

REFERENCES:
patent: 1069803 (1913-08-01), Nelson et al.
patent: 1663759 (1928-03-01), Ham
patent: 2288782 (1942-07-01), Brown
patent: 4485517 (1984-12-01), Voigt

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