Blower attachment for raking debris

Details Blower attachment for raking debris Blower attachment for raking debris

2007-04-09

2010-10-19

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S327500, C015S344000, C015S415100

Reexamination Certificate

active

07814615

ABSTRACT:
A raking attachment for an air stream generating device is adapted to direct an air stream generated by air stream generating device into a loosely defined plane. The raking attachment comprises a generally triangular shaped top wall, an opposing triangular shaped bottom face, side walls and an inlet throat with the side walls joined to at least a portion of the top wall and the bottom face wherein the top wall, bottom face and side walls extend longitudinally from the inlet throat. The top wall also extends beyond a terminal end of the bottom face and terminates in an end wall that is disposed at a angle relative to the top wall.

REFERENCES:
patent: 4402106 (1983-09-01), Mattson
patent: 4404705 (1983-09-01), Thoma
patent: D382683 (1997-08-01), Henke et al.
patent: 5768748 (1998-06-01), Silvera et al.
patent: 5991973 (1999-11-01), Simpson
patent: D460842 (2002-07-01), Sainsbury
patent: 6494514 (2002-12-01), Stinnett et al.

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