Balancer mechanism for rotating shaft
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United States of America Patent
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Issued Date -
Aug 24, 2006
app pub date -
Oct 20, 2003
filing date -
Oct 20, 2003
priority date (Note) -
Abandoned
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Abstract
A balancer mechanism is provided that applies a balancing rotary moment to a rotary shaft that at least partly cancels rotary moment applied to the rotary shaft so as to reduce the rotary moment in a simple and reliable manner. A rotary shaft balancer mechanism (8) comprises a gas spring (20), a first coupler (40) that rotatably couples the bottom end of the gas spring (20) to a stationary member (10) on a shaft supporting member (5), and a second coupler (45) that rotatably couples the bottom end of the gas spring (20) to a rotary member (15) fixed to the left end of a rotary shaft (3) at a position offset to the axis (A) of the rotary shaft (3).
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