Electric Motor For Use in a Dentist's, Dental Surgeon's or Dental Technician's Hand Piece
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United States of America Patent
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N/A
Issued Date -
Sep 16, 2010
app pub date -
Oct 8, 2008
filing date -
Oct 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In an electric motor for use in a handpiece for dentistry, dental medicine or dental technology, with a rotor held rotatably by a bearing arrangement, and a stator surrounding the rotor, a bearing arrangement has a first bearing located on an end region of the rotor, and a second bearing located on an opposite end region of the rotor, which second bearing is constructed as a movable bearing and is biased in the direction of the first bearing by a spring arrangement. The spring force of the spring arrangement within an operating region is substantially independent of the position of the movable bearing.
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