Combination blower assembly and string trimmer

Details Combination blower assembly and string trimmer Combination blower assembly and string trimmer

2006-05-23

2006-05-23

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S405000, C030S123300

Reexamination Certificate

active

07047592

ABSTRACT:
A combination blower assembly and string trimmer whereby the string trimmer head is easily detachable without the use of any tools. The device includes a blower assembly that further includes an upper and lower housing mated together to form a volute-shaped cavity where an impeller with airfoil-shaped blades reside. The detachable string trimmer head is located under the lower housing of the blower assembly and is easily attached or removed from the blower assembly by a simple push and turn motion. The blower assembly further includes an air inlet and air inlet cover. When the air inlet cover is rotated to a position where the air inlet is open the blower assembly is operable and the string trimmer is inoperable. Furthermore, when the air inlet cover is rotated to a position where the air inlet is closed the blower assembly is inoperable and the string trimmer is operable.

REFERENCES:
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patent: 4227280 (1980-10-01), Comer
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patent: 6415585 (2002-07-01), Morabit et al.
patent: 2001/0027610 (2001-10-01), Wheeler et al.
patent: 2003/0140503 (2003-07-01), Jerez
patent: 2 246 939 (1992-02-01), None

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