Multi-position guide bar fastening for chain saw

Details Multi-position guide bar fastening for chain saw Multi-position guide bar fastening for chain saw

1996-11-26

1999-01-26

Payer, Hwei-Siu

Cutlery

Cutting tools

Saw

30383, B27B 1714

Patent

active

058626000

ABSTRACT:
A chain saw includes a drive unit having a drive shaft, and a chain guide bar mounted to the drive unit by two bolts. The guide bar is attached to the drive unit by an insert structure which fits into a longitudinal slot of the guide bar. The insert structure can be oriented in at least two different orientations within the slot for establishing different positional relationships, respectively, between the drive shaft and a longitudinal center line of the guide bar. For example, the center line could be offset either above or below the drive shaft, or the center line could intersect the drive shaft.

REFERENCES:
patent: 2845967 (1958-08-01), Hutchinson
patent: 3059491 (1962-10-01), Hoff et al.
patent: 3327741 (1967-06-01), Merz
patent: 3636995 (1972-01-01), Newman
patent: 3683980 (1972-08-01), Gasner
patent: 3870125 (1975-03-01), Gorski
patent: 3955279 (1976-05-01), Pierson
patent: 4211007 (1980-07-01), Gibson
patent: 5070618 (1991-12-01), Edlund
patent: 5685080 (1997-11-01), Amano et al.

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