Gear assemblies

Details Gear assemblies Gear assemblies

2011-03-29

2011-03-29

Morris, Lesley (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S443000, C180S446000

Reexamination Certificate

active

07913802

ABSTRACT:
In a gearbox for use in an electric power assisted steering system comprises a housing, an input shaft located at least partially within the housing which carries a worm gear and includes means for coupling to a motor rotor at one end, an output shaft located at least partially within the housing which carries a wheel gear, and a first bearing means which supports the input shaft at a side of the worm distal from the end of the shaft which connects to the motor rotor and second bearing means which supports the input shaft at the other side of the worm, the invention comprises further providing a first biasing means adapted to apply an axial load to the input shaft to bias the axial clearance in the second bearing, the second biasing means acting upon a part of the first bearing means; and a second biasing means adapted to apply a radial load to the input shaft to bias the worm into engagement with the wheel gear, the second biasing means also acting upon a part of the first bearing means.

REFERENCES:
patent: 3848477 (1974-11-01), Giandinoto et al.
patent: 5886437 (1999-03-01), Bohn et al.
patent: 6044723 (2000-04-01), Eda et al.
patent: 6491131 (2002-12-01), Appleyard
patent: 7100734 (2006-09-01), Segawa
patent: 7360467 (2008-04-01), Segawa et al.
patent: 7663273 (2010-02-01), Shiino et al.
patent: 7748492 (2010-07-01), Iwasa et al.
patent: 2002/0189892 (2002-12-01), Appleyard
patent: 2004/0163879 (2004-08-01), Segawa
patent: 2007/0193819 (2007-08-01), Iwasa et al.
patent: 19513970 (1996-10-01), None
patent: 19822478 (1998-12-01), None
patent: 1637769 (2006-03-01), None
patent: 11098765 (1999-04-01), None
patent: 2005212559 (2005-08-01), None
patent: 2005085040 (2005-09-01), None

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