Leaf vacuum with rotary cutting blade

Details Leaf vacuum with rotary cutting blade Leaf vacuum with rotary cutting blade

1995-06-29

1996-12-24

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15330, 241 56, A47L 702

Patent

active

055863590

ABSTRACT:
A vacuum cleaner that includes a stationary blade that acts also as a bearing in a suction pipe connected with a fan in the axial line of rotation shaft of the fan. A transmission shaft supported by the bearing extends from the fan rotation shaft of the fan and through the bearing. A rotary blade is mounted at the end of the transmission shaft that extends through the bearing and cooperates with the stationary blade to chop the sucked material finely.

REFERENCES:
patent: 4325163 (1982-04-01), Mattson et al.
patent: 4884314 (1989-12-01), Miner et al.
patent: 4913112 (1990-04-01), Iida
patent: 4951882 (1990-08-01), Ober
patent: 5102056 (1992-04-01), Ober
patent: 5245726 (1992-09-01), Rote et al.

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