Lubricating device of four-stroke cycle engine unit for portable

Details Lubricating device of four-stroke cycle engine unit for portable Lubricating device of four-stroke cycle engine unit for portable

1992-10-22

1993-05-25

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 9033, 123 9023, 123196W, F01M 910

Patent

active

052130746

ABSTRACT:
A four-stroke cycle engine unit for a working machine has generally a lubricating device for lubricating mechanical parts in a valve chamber and a cam chamber. The lubricating device comprises a body which has the cam chamber and a crank chamber, a cylinder head and a head cover having the valve chamber, and a mechanism for preventing a lubricating oil from escaping from at least one of through holes for push rods provided in a wall of the valve chamber and the cam chamber.

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patent: 4662323 (1987-05-01), Moriya
patent: 4829948 (1989-05-01), Yoshida et al.
patent: 5027762 (1991-07-01), Tokuyama
patent: 5060605 (1991-10-01), Yamazaki

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