Automatic oiling system for chain saw

Details Automatic oiling system for chain saw Automatic oiling system for chain saw

B - Operations, Transporting

27

B

184/33, 143/7

B27B 17/00 (2006.01) B27B 17/12 (2006.01) F16N 13/22 (2006.01) F16N 27/00 (2006.01)

Patent

CA 1166554

Title of the Invention AUTOMATIC OILING SYSTEM FOR CHAIN SAW Abstract of the Disclosure A portable power driven chain saw (20) having an automatic oiling system (54) including an externally adjustable control valve (60) which meters an adjustable flow of oil (69, therethrough unidirectionally and to stop the flow in the valve when the chain saw (20) is stopped. An improved oil pump (58) is provided of the rotor (72) vane type. The adjustable member (124) of the control valve (60) has a longitudinal opening (130) for the flow of oil (69) therethrough to the guide bar (24), also the opening (130) slidably carries the stem (144) of the check valve (140) which provides for the unidirectional flow.

383450

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