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

1991-12-23

1993-01-05

Wolfe, Willis R.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196M, 123 9037, F01M 910

Patent

active

051761165

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.

REFERENCES:
patent: 1165135 (1915-12-01), Seitz
patent: 3418993 (1968-12-01), Scheiterlein et al.
patent: 4380216 (1983-04-01), Kandler
patent: 4601267 (1986-07-01), Kronich
patent: 4662322 (1987-05-01), Tamba et al.
patent: 4766859 (1988-08-01), Miyaki et al.

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