Trunnion assembly

Details Trunnion assembly Trunnion assembly

1978-02-27

1979-10-30

Kazenske, Edward R.

Spring devices

Torsion

280664, 280723, 308DIG11, F16F 116

Patent

active

041725913

ABSTRACT:
The trunnion assembly includes a housing and a one-piece tubular shaft journaled within bushings secured in the housing. Thrust forces acting on the shaft in one direction are counteracted by a spacer disposed between one bushing and a hub rigidly secured to the shaft. Thrust forces acting in the opposite direction are counteracted by a multi-segmented thrust ring fitted in a groove in the shaft in position to bear against another bushing in the housing. The thrust ring is held within the groove by a retainer ring disposed between the thrust ring and an annular lip of the housing. The retaining ring, the annular lip, and a seal retainer connected to the one piece shaft by a snap ring defines a seal ring cavity having a lubricant seal ring therein that is unaffected by axial thrust acting on the shaft and prevents leakage of lubricant between the shaft and the housing at the adjacent end of the shaft. The other end portion of the shaft is sealed to the hub and housing by a conventional seal ring. One end of a torsion bar is preferably received within and splined to the one-piece tubular shaft.

REFERENCES:
patent: 1916233 (1933-07-01), Riblet
patent: 3397897 (1968-08-01), Schultze
patent: 3861765 (1975-01-01), Follert et al.

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