Chain saw guide bar and method of construction

Details Chain saw guide bar and method of construction Chain saw guide bar and method of construction

1985-03-26

1987-02-10

Kazenske, E.

Cutlery

Cutting tools

Saw

219121LD, 30387, B23D 5702

Patent

active

046414320

ABSTRACT:
This disclosure relates to a guide bar for a saw chain which includes a pair of side plates and a center plate laser welded to and between the side plates. The center plate has a peripheral edge which is spaced inwardly from the outer periphery of the side plates so as to form a peripheral guide channel or groove for the chain. The disclosure further relates to a method of making a three-plate guide bar wherein the plates are laser welded together.

REFERENCES:
patent: 2962061 (1960-11-01), Nielson
patent: 3416578 (1968-12-01), Irgens
patent: 3744363 (1973-07-01), Espana et al.
patent: 3858321 (1975-01-01), Conaty
patent: 3860784 (1975-01-01), Brown et al.
patent: 3969604 (1976-07-01), Baardsen
patent: 4138813 (1979-02-01), Harada et al.

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