Fixed line trimmer head with ease of loading

Details Fixed line trimmer head with ease of loading Fixed line trimmer head with ease of loading

2007-08-02

2010-02-23

Ashley, Boyer D. (Department: 3724)

Cutlery

Cutting tools

With blade moving means

C030S347000, C056S294000

Reexamination Certificate

active

07665215

ABSTRACT:
A head for string trimmer machines uses fixed length segments of line including at least two line segments. The head includes a generally cylindrically shaped main housing member with at least two sets of first and second line entry holes on the housing member intermediate the first and second ends. At least two sets of first and second line exit openings also are found on the main housing member intermediate the first and second ends and spaced apart a greater distance than the distance between the first and second line entry holes. Arcuate guide channels are located between the respective entry holes and exit openings where the corresponding entry openings and exit openings of corresponding sets are located at different distances measured axially on the main housing member from the first end thereof.

REFERENCES:
patent: 4756146 (1988-07-01), Rouse
patent: 5023998 (1991-06-01), Masciarella
patent: 5615543 (1997-04-01), Caffey
patent: 5979064 (1999-11-01), Kitz et al.
patent: 6035618 (2000-03-01), Fogle
patent: 6363616 (2002-04-01), Kreissle
patent: 6457242 (2002-10-01), Fogle
patent: 7000324 (2006-02-01), Fogle

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