Rotation maintaining device
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United States of America Patent
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Jan 12, 2016
Grant Date -
Feb 12, 2015
app pub date -
Jul 18, 2014
filing date -
Aug 12, 2013
priority date (Note) -
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Abstract
A rotatable output shaft, a rotatable rotary plate member coupled with the output shaft, rotary weight members supported by the rotary plate member, a guide member fixed in motionless condition having a partially arc shape at a side where the rotary weight members rise, and rotation engagement members pivotally supported by the rotary place member are provided. Each of the rotary weight members includes a circular plate section, and a weight section fixed to the circular plate section to bias a position of the center of gravity of each rotary weight member from the axis of the circular plate section. Each of the rotary weight members is adapted to rotate in one direction when an outer circumference side surface of the circular plate section is driven by the outer circumference side surface of each rotation engagement member.
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