Cutlery
Patent
1980-03-10
1983-02-15
Stearns, Richard R.
Cutlery
F16C 3380, F16C 3506
Patent
active
043737595
ABSTRACT:
A conveyor roller comprises a roller tube fitted with end cap assemblies incorporating bearings for rotatably mounting the roller tube on a fixed shaft. Each end cap assembly is a self-contained unit comprising a housing, a ball bearing mounted in the housing, and an end cover having an annular flange extending as a close fit through the inner bearing ring and secured therein by abutments on the flange engaging opposite sides of the inner bearing ring. The end cover has a central bore for reception of the shaft as a close sliding fit. The housing and the end cover have annular concentric tongues which are interleaved to form an annular labyrinth passageway providing a seal between the housing and the end cover. The inner end of the labyrinth passageway is closed by an annular seal compressed between the housing and the end cover.
REFERENCES:
patent: 1660512 (1928-02-01), Jaenicke
patent: 2757988 (1956-08-01), Lecourse
patent: 2825439 (1958-03-01), Collis
patent: 2851140 (1958-09-01), Kindig
patent: 3086826 (1963-04-01), Gunnell
patent: 3610387 (1971-10-01), Stein
patent: 3957147 (1976-05-01), Specht
patent: 4059180 (1977-11-01), Krivec et al.
patent: 4272135 (1981-06-01), Hamblin et al.
Forknall John P.
Greener Brian
Pedder Simon J.
SKF (U.K.) Limited
Stearns Richard R.
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