Contact-state obtaining apparatus and tire-deformation...

Measuring and testing – Tire – tread or roadway

Reexamination Certificate

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Reexamination Certificate

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07406863

ABSTRACT:
A contact-state obtaining apparatus for obtaining a contact state in which a tire of a wheel of a vehicle contacts a road surface, the apparatus including a deformation detecting device which is supported by the wheel and which detects a deformation of the tire that is caused by a force exerted to the tire in a direction parallel to the road surface; and a contact-state obtaining portion which obtains, as the contact state, (a) a slipping state of the tire relative to the road surface and/or (b) the force exerted to the tire in the direction parallel to the road surface, based on the deformation of the tire detected by the deformation detecting device.

REFERENCES:
patent: 5864056 (1999-01-01), Bell et al.
patent: 6138505 (2000-10-01), Miyazaki
patent: 6293140 (2001-09-01), Lohberg
patent: 6340930 (2002-01-01), Lin
patent: 6952954 (2005-10-01), Liebemann et al.
patent: 6959593 (2005-11-01), Mancosu et al.
patent: 2002/0078740 (2002-06-01), Imao et al.
patent: 2002/0092364 (2002-07-01), Adderton et al.
patent: 2004/0246117 (2004-12-01), Ogawa et al.
patent: A 6-341822 (1994-12-01), None
patent: A 8-183433 (1996-07-01), None
patent: A 10-281944 (1998-10-01), None

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