Electrically insulating belt drive for vacuum cleaner motor asse

Details Electrically insulating belt drive for vacuum cleaner motor asse Electrically insulating belt drive for vacuum cleaner motor asse

1993-01-08

1994-02-22

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15391, A47L 900

Patent

active

052875920

ABSTRACT:
A vacuum cleaner assembly includes a motor and drive shaft extending therefrom adapted for driving an elastomeric belt which, in turn, is used to rotate a revolving brush supported in a cleaner housing. A composite belt drive member is affixed in axial alignment to an end of the motor shaft and has a relatively rigid member and electrically insulating annular oversheath. The sheath is tapered to provide a nest portion for retaining the belt on the drive member during shaft rotation. The sheath is a plastic material which provides the desired electrical insulation function.

REFERENCES:
patent: 1972745 (1934-09-01), Martinet
patent: 2139146 (1938-12-01), Becker
patent: 2888828 (1959-06-01), Hall
patent: 4315343 (1982-02-01), Neroda et al.
patent: 4633543 (1987-01-01), Sovis et al.

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