Guidebar with oil channels

Details Guidebar with oil channels Guidebar with oil channels

1989-03-21

1990-08-14

Watts, Douglas D.

Cutlery

Combined cutlery or combined with ancillary feature

With means to apply transient fluid to tool

301233, 30384, 30387, B23D 5904, B23D 5900, B25F 300, B23Q 1112

Patent

active

049475509

ABSTRACT:
A guide bar for a chain saw with closed oil channels, arranged to lubricate the inside of the chain just before it starts sliding against the underside of the guidebar, as well as the supporting teeth of the nose sprocket just before the intermesh with the chain.

REFERENCES:
patent: 2748810 (1956-06-01), Strunk
patent: 2913020 (1959-11-01), Nielsen
patent: 2962061 (1960-11-01), Nielsen
patent: 2992660 (1961-07-01), Merz
patent: 3044506 (1962-07-01), Oehrli
patent: 4361960 (1982-12-01), Halverson

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