PIVOT PIN SECURING STRUCTURE
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United States of America Patent
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Issued Date -
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app pub date -
Nov 26, 2012
filing date -
May 16, 2011
priority date (Note) -
Abandoned
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Abstract
A pivot pin securing structure includes a support seat and a pivot pin. The support seat is formed with a bush section with a pinhole. The bush section is formed with a split in communication with the pinhole, whereby the bush section has elasticity for holding the pivot pin. The bush section has at least one independent spring section. An obliquely extending track section is disposed on at least one side of the spring section. One end of the pivot pin extends into the pinhole. An abutment member is disposed on a circumference of the pivot pin. The abutment section is slidable along the track section with the rotation of the pivot pin in abutment with the spring section to different extents. During the sliding movement, the spring section applies different reaction forces to the abutment section as resistance against and aid force for the rotation of the pivot pin.
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