Interlocked remote oil filter and drain

Details Interlocked remote oil filter and drain Interlocked remote oil filter and drain

1989-06-28

1990-02-20

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196A, 184 15, I01M 100

Patent

active

049016938

ABSTRACT:
An improved interlocked remote oil filter and drain provides a system for draining oil from the oil sump of an engine. The system comprises an improved interlock that includes an interlock tab movable between a drain position to permit draining of the engine oil when the oil filter is not in place and a safe position to prohibit draining of the engine oil when the oil filter is in place. The interlock tab allows the convenient use of different sizes and shapes of oil filters.

REFERENCES:
patent: 3049334 (1962-08-01), Montague
patent: 3477459 (1969-11-01), Schossow
patent: 3650352 (1972-03-01), Schwary
patent: 3664633 (1972-05-01), Schaffner
patent: 3954250 (1976-05-01), Grace
patent: 4086981 (1978-05-01), Mitsui
patent: 4319664 (1982-03-01), Price et al.
patent: 4676206 (1987-06-01), DeGrazia, Jr.

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