Eccentric driving apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 18, 2002
Grant Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Mar 28, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To arbitrarily adjust the diameter of revolution when revolving an object without being associated with rotation by a simple structure. A bearing 322a is mounted to a bottom surface of a supporting plate 310 for supporting an object. First rotation sleeve 322c is rotatably provided inside the bearing 322a. A second rotation sleeve 322d is provided inside the first rotation sleeve 322c. The second rotation sleeve 322d is rotated at a fixed position by means of a rotation driving shaft 321. An inner peripheral surface of the first rotation sleeve 322c is inclined at a certain angle in one direction with respect to the center line of rotation. An outer peripheral surface of the second rotation sleeve 322d is inclined at a certain angle in one direction in correspondence with the inner peripheral surface of the first rotation sleeve 322c. The first rotation sleeve 322 and the second rotation sleeve 322d simultaneously rotate in the circumferential direction, and can relatively move in the direction of the center of rotation. By this relative movement, an amount of eccentricity of the bearing 322a with respect to the rotation driving shaft 321 is adjusted to an arbitrary value including zero.
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