Bearings – Rotary bearing – Plain bearing
Reexamination Certificate
2005-01-11
2005-01-11
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Plain bearing
C384S297000, C384S907100
Reexamination Certificate
active
06840677
ABSTRACT:
A ceramic bearing structure is constructed to include an axle bush having an axially extended axle hole, and an axle pivoted to the axle hole of the axle bush, the axle bush having a radial open chamber extended across the axle hole. The radial open chamber diminishes the material of the axle bush, reduces the contact area between the axle and the axle bush, and provides a spacious lubrication grease accumulation chamber.
REFERENCES:
patent: 1783535 (1930-12-01), Ehrenfeld
patent: 2053848 (1936-09-01), Seyfried
patent: 5697709 (1997-12-01), Mori et al.
Chen Weim
Chou Mark
Lee Oscar
Lin San
ACT-RX Technology Corporation
Browdy and Neimark , P.L.L.C.
Hannon Thomas R.
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