Bearings – Rotary bearing – Plain bearing
Patent
1997-12-19
1999-03-30
Hannon, Thomas R.
Bearings
Rotary bearing
Plain bearing
384439, F16C 3322, F16C 3502
Patent
active
058879838
ABSTRACT:
A bearing assembly underlying the top flange connected to the upper end of n antenna shaft, includes plastic bearing inserts held in contact with the shaft angularly spaced from each other by an outer cylindrical housing and sleeve sections retained therein in axial abutment with the bearing inserts. Removable screw fasteners having upper end portions exposed in alignment with each other underlying the top flange, hold the bearing inserts, the sleeve sections and the housing attached to each other in proper assembled relation to facilitate assembly and disassembly for bearing insert replacement.
REFERENCES:
patent: 2495169 (1950-01-01), Jennings et al.
patent: 2635015 (1953-04-01), Babb
patent: 3468587 (1969-09-01), Hillander
patent: 4382598 (1983-05-01), McCloud
patent: 4472150 (1984-09-01), Tang
patent: 4764036 (1988-08-01), McPherson
patent: 5236784 (1993-08-01), Kobayashi et al.
patent: 5267798 (1993-12-01), Budris
Gulian Paul M.
Perotti Thomas A.
Stusnick Mark
Forrest John
Hannon Thomas R.
Shuster Jacob
The United States of America as represented by the Secretary of
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