Patent ID: 7138053

Claim:
A filter device comprising a fixed head ( 1 ) having a feed liquid inlet and/or an outlet for filtrate, a stationary base member ( 2 , 3 ), a first link ( 7 ) having one end pivotally mounted on the stationary base member at a first axis ( 5 ), a second link ( 11 ) supported by the first link, a housing support member ( 12 ) supported by the second link, and a housing ( 15 ) supported by the housing support member, said housing having a space with an open top end for housing a filter element, a manipulation handle ( 17 ) fixed to the housing ( 15 ) or the housing support member ( 12 ), and a connector means ( 19 ) for connecting the top end portion of the housing to the fixed head ( 1 ), said housing ( 15 ) is movably supported by the housing support member ( 12 ) having a means for allowing the housing ( 15 ) to move relative to the housing support member by a distance necessary for connecting the connector means ( 19 ) to the fixed head ( 1 ).