Trimmer with replaceable line cartridge

Details Trimmer with replaceable line cartridge Trimmer with replaceable line cartridge

2007-05-22

2007-05-22

Ashley, Boyer D. (Department: 3724)

Cutlery

Cutting tools

With blade moving means

C030S347000, C056S012700, C242S388000

Reexamination Certificate

active

11163084

ABSTRACT:
An improved line trimmer (10) for weed or grass cutting is provided which includes a operating head (16) having a rotatable housing (44) with cutting line outlet openings (68). A replaceable line cartridge (18) having a supply (118) of line (107) is mounted exteriorly of housing (44), and the free ends (120) of the line pass from the cartridge (18), through housing (44), and out the opening (68). Preferably, the cartridge (18) is mounted on an upright tubular drive shaft (42) coupled with housing (44), so that the line (107) may be threaded through the drive shaft (42).

REFERENCES:
patent: 3928911 (1975-12-01), Pittinger, Jr.
patent: 4091536 (1978-05-01), Bartholomew
patent: 4118864 (1978-10-01), Pittinger et al.
patent: 4211004 (1980-07-01), Woods
patent: 4642976 (1987-02-01), Owens
patent: 4707919 (1987-11-01), Tsuchiya
patent: 6279235 (2001-08-01), White et al.

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