Convertible leaf blower and vacuum

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

Patent

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Details

15344, 15405, A47L 514

Patent

active

056385749

ABSTRACT:
A convertible leaf blower and vacuum apparatus includes a fan and baffle supported on one end of a cylindrical member for insertion into a collar defining an air inlet of the fan for narrowing the diameter of the air inlet when the apparatus is being connected to the collar. A vacuum tube replaces the cylindrical member when the apparatus is in a vacuum. The vacuum tube is connected to the collar in the same manner as the cylindrical member. A cover for overlaying the air inlet is attached on one side to the fan housing by a hinge and the other side by a releasable fastener.

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1982 Fan Engineering Robert Jorgenson, Editor; Buffalo Forge Company, Publisher 16 pages.
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Date unknown Principles of Turbomachinery D. G. Shephard Chapter 6.

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