Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1986-10-16

1987-08-25

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15412, 415DIG3, 417238, A47L 922

Patent

active

046882936

ABSTRACT:
According to the invention, a canister with bottom and peripheral walls defines an accumulation space for matter picked up by the vacuum. A lid is secured to the upper edge of the canister and seals the space. The invention resides in the provision of a canister extension whose bottom edge conforms to the top edge of the canister and bears thereupon. The extension can be secured to the canister permanently or removably in any known manner, as by sonic welding or the like. The lid in turn mates with the extension in the same manner that it mates with the open canister edge. Accordingly, the canister capacity is increased. Any number of such extensions can be employed depending upon the range of capacity sought. The invention also contemplates providing a plate bounding an impeller chamber than can be inverted to selectively accommodate different capacity impellers and different capacity motors.

REFERENCES:
patent: 2989227 (1961-06-01), Statham
patent: 3091182 (1963-05-01), Anderson et al.
patent: 3543368 (1970-12-01), Marlow
patent: 3967915 (1976-07-01), Litzenberg
patent: 4508490 (1985-04-01), Ramirez et al.

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