Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1979-11-13
1981-08-25
Lazarus, Ira S.
Internal-combustion engines
Frame construction
Horizontal cylinder
123198E, 181204, 30124, 30383, F02B 7702, F02F 700, B23D 5702
Patent
active
042853095
ABSTRACT:
A housing for an internal combustion engine of the type used with portable chain saws having a cavity therein for a fuel supply and another cavity for lubricating oil. The engine housing is composed of at least an upper and a lower portion which are joined along a substantially horizontal dividing plane which is substantially parallel to the bottom plate of the lower portion of the engine housing. The dividing plane intersects the crankshaft casing of the engine whereby two separate closed cavities are formed for separately storing fuel and lubricating oil for said chain saw.
REFERENCES:
patent: 3036566 (1962-05-01), Dobbertin
patent: 3157211 (1964-11-01), Wiig
patent: 3195530 (1965-07-01), Heidner
patent: 3372679 (1968-03-01), Aitken
patent: 3525373 (1970-08-01), Kobayashi
patent: 3747649 (1973-07-01), Denson et al.
patent: 3798769 (1974-03-01), Bailey
patent: 3934344 (1976-01-01), Lnaga
patent: 3994067 (1976-11-01), Hazzard et al.
Jonsereds Aktiebolag
Lazarus Ira S.
Miller Alfred E.
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