Antifriction roller means for plungers

Details Antifriction roller means for plungers Antifriction roller means for plungers

1991-11-22

1993-09-14

Footland, Lenard A.

Bearings

Linear bearing

Roller bearing

F16C 2904

Patent

active

052442845

ABSTRACT:
A plunger has a perimeter for spaced cooperation with a guide bore along a reciprocation axis. For alleviating lateral thrust friction between the plunger perimeter and guide bore, antifriction roller structure has an axle with journals engaged in radius bearings on axis transverse to the reciprocation axis of the plunger. Mounting of the antifriction roller structure is such that annular wheel surfaces on the roller effect rolling engagement with the guide bore.

REFERENCES:
patent: 4485728 (1984-12-01), Bando
patent: 4938610 (1990-07-01), Kato

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