Title: Vacuum/blower attachment for filament trimmer

Abstract: An attachment for converting a conventional filament trimmer into a vacuum or blower for removal of grass clippings. The attachment includes a fan housing removably mounted to the trimmer in either a vacuum or blower mode of operation and a fan removably mounted to the rotatably driven shaft of the trimmer. The fan housing has an air inlet scoop and air discharge chute.

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Other info:

Inventors: Comer, Robert C. (Hopkins, MN, US)

Application Number: 970628
Filing Date: 1978-12-18
Publication_date: 1980-10-14
Assignee: The Toro Company (Minneapolis, MN)
Primary Class(es): 15/330 15/338, 15/405, 29/401.1, 29/889.4, 30/122
Other Classes:
US Patent Ref:

2024367	Dec, 1935	Eriksson-Jons	15/330.
2671923	Mar, 1954	La Briere	15/339.
2983057	May, 1961	Erickson	15/328.
3142913	Aug, 1964	Jacob	15/328.
3241173	Mar, 1966	Finn	15/328.
3286376	Nov, 1966	Wildes	15/328.
3618157	Nov, 1971	Bassin	15/330.
3995348	Dec, 1976	Chernosky	15/328.
4187577	Feb, 1980	Hansen et al.	15/328.

Other Refs:
Primary Examiner: Moore, Christopher K.
Assistant Examiner:
Attorney: Merchant, Gould, Smith, Edell, Welter & Schmidt