Swivel thrust bearing

Details Swivel thrust bearing Swivel thrust bearing

Filed on

1976-05-06

Date issued

1978-04-25

Examiner

Bertsch, Richard A.

Patent Class

Cutlery

Other Related Categories

248425, 16 20, 308238, 403164, F16C 1100, F16C 2706

Type

Patent

Status

active

Patent number

040859835

Description

ABSTRACT:
A "centerless" swivel bearing for chairs and the like in which the two facing, relatively rotatable members are each in sliding contact with an interposed lubricating liner on a ring of substantial diameter defining a central opening in the bearing. One of the two members is necked through the opening of the other and then turned radially outwardly to maintain the assembly of the three constituent parts against loading tending to separate the two members.

REFERENCES:
patent: 2193713 (1940-03-01), Cole
patent: 2529780 (1950-11-01), Miller
patent: 2938755 (1960-05-01), Lee et al.
patent: 3231926 (1966-01-01), Stollman
patent: 3243239 (1966-03-01), Hackman
patent: 3837039 (1974-09-01), Rehrig

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