Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2008-03-20
2010-11-09
Hannon, Thomas R (Department: 3656)
Bearings
Rotary bearing
Antifriction bearing
C384S457000, C384S564000
Reexamination Certificate
active
07828485
ABSTRACT:
The clearance between the outer peripheral surface of an annular portion of a cage and the inner peripheral surface of each of rib portions of outer-ring split pieces is set to be smaller than the clearance between the radial end surface of a projection portion of the cage and the inner peripheral surface of each of body portions of the outer-ring split pieces. When a centrifugal force due to engine rotation acts upon the cage, the inner peripheral surface of each of the rib portions of the outer-ring split pieces touches the outer peripheral surface of the annular portion of the cage before the inner peripheral surface of each of the body portions of the outer-ring split pieces touches the radial end surface of the projection portion of the cage. Thus, the radial displacement of the cage can be prevented in good time.
REFERENCES:
patent: 1500902 (1924-07-01), Sewell
patent: 2894791 (1959-07-01), White et al.
patent: 3248155 (1966-04-01), Schaeffler
patent: 5810482 (1998-09-01), Aleynik
patent: 6176623 (2001-01-01), Zeigler
patent: 2005/0084192 (2005-04-01), Takeo et al.
patent: 2006-322581 (2006-11-01), None
Okumura Tsuyoshi
Waseda Yoshitaka
Hannon Thomas R
JTEKT Corporation
McGinn IP Law Group PLLC
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