Load wheel drive

Details Load wheel drive Load wheel drive

2005-02-28

2009-06-30

Allen, Andre J (Department: 2855)

Measuring and testing

Tire, tread or roadway

C451S001000

Reexamination Certificate

active

07552630

ABSTRACT:
A method of positioning a load wheel in a tire uniformity machine to load a tire for testing, the method comprising providing a drive assembly including a drive motor and a drive controller, electrically connected to each other, said drive controller being adapted to switch between analog velocity control and position control; moving the load wheel with the drive motor using analog velocity control; and switching to position control to cause said motor to maintain a selected position of said load wheel without a mechanical brake.

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patent: 6892612 (2005-05-01), Poling et al.
patent: 2008/0108283 (2008-05-01), Poling et al.

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