Electric-powered power steering apparatus

Motor vehicles – Steering gear – With electric power assist

Reexamination Certificate

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C074S60600R, C074S552000

Reexamination Certificate

active

07100734

ABSTRACT:
An assist apparatus for electric-powered power steering apparatus is provided to have a torque sensor, steering shaft, preload pad70, a torsion coil spring30, and an electric motor31. With the preload pad70and torsion coil spring30, an elastic force is applied to the worm shaft29in the direction toward the worm wheel28, whereby noises due to colliding teeth are prevented from occurring in the meshing portion between the worm wheel28and worm shaft29.

REFERENCES:
patent: 5044454 (1991-09-01), Kanazawa et al.
patent: 6044723 (2000-04-01), Eda et al.
patent: 6357313 (2002-03-01), Appleyard
patent: 6491131 (2002-12-01), Appleyard
patent: 6763738 (2004-07-01), Tsutsui et al.
patent: 2002/0017420 (2002-02-01), Kinme et al.
patent: 2002/0121401 (2002-09-01), Shimizu et al.
patent: 0 420 131 (1991-04-01), None
patent: 63-046281 (1988-02-01), None
patent: 03-112784 (1991-05-01), None
patent: 05-009583 (1993-01-01), None
patent: 08-014266 (1996-01-01), None
patent: 09-030432 (1997-02-01), None
patent: 10-148216 (1998-06-01), None
patent: 10-281235 (1998-10-01), None
patent: 11-043062 (1999-02-01), None
patent: 11-129703 (1999-05-01), None
patent: 11-151904 (1999-06-01), None
patent: 11-308805 (1999-11-01), None
patent: 2000-043739 (2000-02-01), None
patent: 2000-142009 (2000-05-01), None
patent: 2001-233224 (2001-08-01), None
patent: 2001-233225 (2001-08-01), None
patent: 2001-270448 (2001-10-01), None
patent: 2001-315653 (2001-11-01), None
patent: 2001-322554 (2001-11-01), None
patent: 2002-021943 (2002-01-01), None
patent: 2002-029434 (2002-01-01), None
patent: 2002-096749 (2002-04-01), None
patent: 2002-098198 (2002-04-01), None
patent: 2002-266987 (2002-09-01), None
patent: 2002-323059 (2002-11-01), None
patent: 99/11502 (1999-03-01), None
patent: 99/65758 (1999-12-01), None
patent: 02/32741 (2002-04-01), None
patent: PCT/JP02/12651 (2002-12-01), None
International Search Report dated Sep. 14, 2004.
International Preliminary Examination Report dated Dec. 16, 2003.
Richard Backhaus. The Servoelectric of ZF. ATZ Automobiltechnische Zeitschrift. XP-000780494, Sep. 1, 1998, vol. 100, No. 9, pp. 636-638.
The Nikkan Kogyo Shinbun Ltd. Gears. vol. 5.
International Preliminary Examination Report dated May 27, 2005.

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