Gas powered variable speed hopperless vacuum

Details Gas powered variable speed hopperless vacuum Gas powered variable speed hopperless vacuum

2006-02-28

2006-02-28

Bidwell, James R. (Department: 3651)

Conveyors: fluid current

Ambulant or portable

Vehicle mounted

C406S038000

Reexamination Certificate

active

07004688

ABSTRACT:
A gas-powered, variable speed vacuum-blower device, which has as its primary purpose the pneumatic conveying of loose, granular material in accomplishing landscaping tasks. The vacuum-blower device is mounted on a hand truck for easy portability. Suction and discharge hoses are disposed on the device for conveying and distributing the loose material. Control means are provided at the distal ends of each hose whereby the speed of the device may be controlled for efficiency and safety.

REFERENCES:
patent: 2381762 (1945-08-01), McConkle
patent: 3155431 (1964-11-01), Baldwin
patent: 4118826 (1978-10-01), Kaeser
patent: 5195209 (1993-03-01), Watkins
patent: 5791568 (1998-08-01), Keim
patent: 6086002 (2000-07-01), Frazier et al.
patent: 6142714 (2000-11-01), Montag
patent: 6247876 (2001-06-01), Stephens

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