Liquid purification or separation – With repair or assembling means – Hoist or handle means
Patent
1985-03-01
1987-04-21
Sever, Frank
Liquid purification or separation
With repair or assembling means
Hoist or handle means
210541, 210542, B10D 3530
Patent
active
046594663
ABSTRACT:
A quick release cover assembly for a cylindrical liquid filter housing which includes an outer cover plate pivotally mounted on the filter housing, an inner cover plate having a beveled cylindrical side wall and being carried by the outer plate and an O-ring which is disposed about the beveled wall of the inner plate adjacent the under side of the outer plate. A plurality of locking dogs are carried by the upper surface of the outer plate which are adapted to be inserted and rotated within a corresponding plurality of L-shaped slots adjacent the open end of the filter housing. A threaded fastener is provided for drawing the inner and outer plates together upon the locking dogs being so disposed within the slots in the housing so as to press the O-ring outwardly against the interior wall of the filter housing thereby releasably sealing the cover assembly to the housing. An inner lock bar is slidably mounted on the outer cover which is adapted to be slided into one of the L-shaped slots in the housing adjacent the locking dog extending therethrough. The inner lock bar prevents tighten of the threaded fastener and squeezing of the O-ring against the housing prior to the locking dogs being properly disposed in the housing slots and, upon being slided into one of the housing slots prevents rotation of the cover assembly with respect to the filter housing.
REFERENCES:
patent: 3986960 (1976-10-01), Wire et al.
patent: 4268392 (1981-05-01), Hayes
Farr Richard S.
Rasmussen Myron G.
Farr Company
Sever Frank
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