Fluid seal and rod wiper assembly

Details Fluid seal and rod wiper assembly Fluid seal and rod wiper assembly

1987-11-30

1989-07-25

Griffin, Donald A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188A, F16J 1532

Patent

active

048506028

ABSTRACT:
Disclosed herein is a fluid seal and rod wiper assembly suitable for insertion in annular groove of a piston housing packing chamber. The rod wiper assembly comprises a generally U-shaped elastomeric rod wiper having a thin lip which wipes a piston shaft and a thicker lip which provides a shoulder for accommodating an interference or compression fitting locking ring. An alternative embodiment includes a cantilever spring which is snap fit into the u-shaped compartment of the rod wiper. Another alternative embodiment includes an O-ring positioned within the u-shaped compartment defined by the rod wiper.

REFERENCES:
patent: 2731284 (1956-01-01), Chambers et al.
patent: 2898167 (1959-08-01), Tanner
patent: 3003799 (1961-10-01), Marchiond et al.
patent: 3601419 (1971-08-01), Fern
patent: 3848881 (1974-11-01), Ginn
patent: 3901517 (1975-08-01), Heathcott
patent: 3921991 (1975-11-01), Beck
patent: 3957278 (1976-05-01), Rabe
patent: 4013299 (1977-03-01), Scott
patent: 4566702 (1986-01-01), Traub

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