Land vehicles: wheels and axles – Wheel – Hub
Patent
1976-01-28
1978-02-14
Reeves, Robert B.
Land vehicles: wheels and axles
Wheel
Hub
301108TW, 308 361, 264252, 156 734, 156216, 285222, 285423, B60B 2700
Patent
active
040735400
ABSTRACT:
A hub cap assembly for vehicle axles which includes a rigid hub cap body with a sidewall portion and a radially inwardly directed flange having a window therein so that the lubricant level in the axle housing can be seen without removing the hub cap. The window is received by a flange having inner and outer axially directed surfaces and an inner edge defining an opening in the cap body. The window unit includes a transparent central panel and a mounting portion comprising first and second annular, generally axially extending window-mounting flanges which are spaced radially apart from each other so as to define an annular seal-receiving groove. One window-mounting flange has an axially facing end portion snugly received against the outer axially directed surface, and another window-mounting flange extends partly through the cap body opening. The other or second window-mounting flange includes a locking device with a part which snugly engages the inner axially directed surface of the flange. A seal ring is disposed in the seal-receiving groove, with the locking device and the first window-mounting flange engaging the inner and outer axially directed surfaces of said window-receiving flange respectively. This serves to compress the seal ring axially between a part of the groove and the outer axially directed flange surface, thereby establishing an oil-tight seal between the cap body and the window unit.
REFERENCES:
patent: 2151702 (1939-03-01), Ilg
patent: 3089738 (1963-05-01), Steiner
patent: 3177041 (1965-04-01), Isenbarger
patent: 3659880 (1972-05-01), Goldsobel
patent: 3881243 (1975-05-01), Bannon
Chicago Rawhide Manufacturing Co.
Fitzgibbon James T.
Reeves Robert B.
Skaggs H. Grant
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