Seal arrangement for quick change fluid sections

Details Seal arrangement for quick change fluid sections Seal arrangement for quick change fluid sections

1994-09-16

1995-07-25

Bertsch, Richard A.

Pumps

Processes

417545, 417554, 277 9, 277 1, F04B 5302

Patent

active

054356970

ABSTRACT:
An improved quick-change fluid section for piston-type paint pumps having a mounting flange with keyhole shaped apertures at one end and a threaded fitting at the other end to couple a fluid section housing to driving means via a slide housing. The piston and slide are retained in reciprocable driving relationship via a transverse pin held in place by a circumferential spring received in a circumferential groove on the slide. The spring and pin are accessible via diametrically opposed apertures in the mounting flange. The fluid section housing is bifurcated and has sealing means which may be either a packing set of alternating elastomeric and leather V-rings or lip-type seals. The sealing means is immediately available upon separation of the two portions of the fluid section and may be removed without the need for special tools. An inline or right angle inlet or suction fitting may be utilized with the fluid section.

REFERENCES:
patent: 2188957 (1940-02-01), Pfauser
patent: 2982590 (1961-05-01), Gunning
patent: 3003797 (1961-10-01), Gage
patent: 3827339 (1974-08-01), Rosen et al.
patent: 4516752 (1985-05-01), Babbitt et al.
patent: 4775303 (1988-10-01), Liska
patent: 4921407 (1992-05-01), Ponder
patent: 5094596 (1992-03-01), Erwin et al.

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