G - Physics
02
B
310/73, 88/96
G02B 26/10 (2006.01) F16C 33/10 (2006.01) G02B 26/12 (2006.01) H02K 21/12 (2006.01) H02K 29/08 (2006.01)
Patent
CA 1296208
ROTARY DEVICE ABSTRACT OF THE DISCLOSURE A rotary device is disclosed for use as a precision element such as an optical scanner. The device comprises a rotor which includes a driven element such as a polygon having a plurality of mirror surfaces thereon, means for supporting the rotor for rotational movement, and a drive motor for the rotor. The rotor supporting means includes a thrust bearing. In order to provide A rotary device having a low profile and a minimum of parts, a planar motor is used as the drive motor, and the permanent magnet of the motor is incorporated in the rotor. The thrust bearing includes means for directing an axial force against a radial surface of the rotor when the motor is actuated.
553974
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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