Floor treating machine

Details Floor treating machine Floor treating machine

2008-05-27

2008-05-27

Morgan, Eileen P. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S357000, C451S359000, C015S049100

Reexamination Certificate

active

11649330

ABSTRACT:
A floor treating machine has a frame and a housing connected rotatably to the frame according to a main rotation axis. At least three heads are suspended rotatably with respect to the housing according to respective rotating axes, which are generally parallel to the main rotation axis, as well as a number of drive motors which is at least equal to the number of heads. Each head is connected to its own respective drive motor.

REFERENCES:
patent: 4719659 (1988-01-01), Urakami
patent: 6238277 (2001-05-01), Duncan et al.
patent: 7226347 (2007-06-01), Padgett et al.
patent: 2003/0040265 (2003-02-01), Palushi
patent: 2004/0023608 (2004-02-01), Van Vliet et al.
patent: 2006/0026781 (2006-02-01), Van Vliet
patent: 2007/0184762 (2007-08-01), Dummermuth-Furter

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