Quick change oil filter system

Details Quick change oil filter system Quick change oil filter system

1987-05-05

1988-08-30

Fisher, Richard V.

Liquid purification or separation

With repair or assembling means

210236, 210443, 55503, B01D 2708, B01D 2938

Patent

active

047675306

ABSTRACT:
A quick change oil filter assembly for installation and removal of an oil filter on an engine without tools, skills or adjustments. A toggle action tightening band has two positions. In an open position the band is captive on the flange of a filter support plate with engine oil connections. A filter with a base flange is freely inserted or removed from the support plate. In the closed position, the band engages the flange on the filter base and draws it down against the flange of the support plate, compressing a sealing gasket between the flanges with a preset force. The tightening force is derived from inclined plane action of a sloping surface on the band engaging a sloping surface on a flange as the band diameter is reduced by the closing of the toggle lever. The toggle action of the closure ensures reproducible tightening forces to ensure leak proof sealing without adjustment.

REFERENCES:
patent: 2877903 (1959-03-01), Veres
patent: 3615018 (1971-10-01), Johnson
patent: 3722683 (1973-03-01), Shaltis et al.
patent: 3774769 (1973-11-01), Smith
patent: 3950251 (1976-04-01), Hiller
patent: 4204961 (1980-05-01), Cusata, Jr.
patent: 4231872 (1980-11-01), Keil
patent: 4529515 (1985-07-01), Selz

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