Apparatus for assembly and disassembly of a filter construction

Details Apparatus for assembly and disassembly of a filter construction Apparatus for assembly and disassembly of a filter construction

B - Operations, Transporting

01

D

183/88

B01D 27/08 (2006.01) B01D 35/14 (2006.01) B01D 35/30 (2006.01)

Patent

CA 1223825

ABSTRACT OF THE DISCLOSURE A filter assembly incorporates a system for jacking a filter canister into and out of engagement with a filter head . A threaded jackscrew is mated to a threaded portion of the filter head and rotatably mounted on the filter canister, but longitudinally confined near the canister top. The assembly can accommodate a second class lever the fulcrum of which lies in a notch or other recess in the filter head. The jackscrew includes a plurality of circumferentially-spaced lugs against which a portion of the lever can act. The manual application of force to the free end of the lever creates a mechanical advantage at the jackscrew lugs such that a torque sufficient to free and turn the jackscrew can be generated. Repeated pivoting of the lever against successive lugs of the jackscrew in a ratchet-like manner unscrews the jackscrew, and the captive canister, from the filter head.

460976

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