Rod wiper

Details Rod wiper Rod wiper

1992-11-05

1993-11-02

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

152565, 1525653, B08B 102

Patent

active

052574326

ABSTRACT:
A rod wiper for disposition about the rod of a fluid actuator comprises an annular wiper element of relatively high durometer having a pair of axially spaced lips engageable with the rod of the actuator, and an annular elastomeric element of relatively lower durometer disposed radially outwardly of said wiper element. The elastomeric element is normally engaged with only the wiper element and with an axial wall of a rod housing. However, the elastomeric element is movable into engagement with a radial wall of the rod housing in the presence of dirt and scale on the rod. The axial force on the elastomeric element results in an increased bias of the lips of the wiper element on the rod.

REFERENCES:
patent: 2884654 (1959-05-01), Fall
patent: 3266810 (1966-08-01), Reeser
patent: 4577363 (1986-03-01), Wyse
patent: 4621386 (1986-11-01), Hill
patent: 4658894 (1987-04-01), Craig

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