Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2005-03-01
2005-03-01
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Antifriction bearing
C384S450000
Reexamination Certificate
active
06860640
ABSTRACT:
In a tapered roller bearing having an outer ring whose outside diameter is D, an inner ring whose inside diameter is d, and a plurality of tapered rollers whose pitch circle diameter is dm, a setting is provided such that a PCD parameter expressed by 2 dm/(D+d) is a value which falls within the range of 0.96 to 0.985.
REFERENCES:
patent: 6086261 (2000-07-01), Nakagawa et al.
patent: 6464398 (2002-10-01), Takehara et al.
patent: 0 756 095 (1997-01-01), None
patent: 1 158 192 (2001-11-01), None
patent: 09-096352 (1997-04-01), None
patent: 11-210765 (1999-08-01), None
Kouda Kanichi
Matsuyama Hiroki
Hannon Thomas R.
Koyo Seiko Co. Ltd.
McGinn & Gibb PLLC
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