Electric linear motor, and secondary for a linear motor
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United States of America Patent
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-
Aug 16, 2005
Issued Date -
N/A
app pub date -
Apr 15, 2004
filing date -
Oct 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric linear motor includes a rotor as primary; and a secondary which is spaced from the rotor to define an air gap therebetween for interaction between the rotor and the secondary. The secondary has a carrier with electrically and/or magnetic driving elements, a cover for protection of the carrier against contamination or damage, and a support unit which supports the cover for movement relative to the carrier. Thus, contaminated regions of the cover can be removed from the surface of the secondary and cleaned by a wiper element.
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