Chain saw

Details Chain saw Chain saw

1989-01-04

1989-07-18

Yost, Frank T.

Cutlery

Combined cutlery or combined with ancillary feature

With means to apply transient fluid to tool

30383, F16N 1314

Patent

active

048479993

ABSTRACT:
A chain saw is disclosed in which a cylinder of a plunger type oil pump is made of a tubular member, the cylinder body fitted at one end to a pump body and is closed at the other end by a plug member made of elastic material, and an oil flow path in communication with a chain guide groove of a guide bar of a saw chain is formed in the plug member.

REFERENCES:
patent: 2741275 (1956-04-01), Johnsen et al.
patent: 3938622 (1976-02-01), Densow
patent: 4094382 (1978-06-01), Lee
patent: 4353163 (1982-10-01), Overbury et al.
patent: 4678411 (1987-07-01), Wieland
patent: 4683659 (1987-08-01), Wunsch et al.

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