PIVOTAL ATTACHING STRUCTURE AND PIVOTAL ATTACHING METHOD FOR RELATIVELY ROTATING MEMBERS
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Jan 10, 2013
filing date -
Jan 12, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pivotal attaching structure and a pivotal attaching method, are provided, with which a rotary arm member can be rotatably supported in a retained state without need to perform mechanical swaging. A pivotal attaching structure for relatively rotating members includes at least one intermediate arm member having a rotational center hole; a central-pivot providing member which includes a central-pivot portion that is inserted into the rotational center hole of the intermediate arm member and a retaining portion which is orthogonal to the central-pivot portion; and a retaining member which is fitted on the periphery of the central-pivot portion of the central-pivot providing member to prevent the intermediate arm member that is fitted on the central-pivot portion from moving in the axial direction between the retaining member and the retaining portion. The central-pivot portion of the central-pivot providing member and the retaining member are fixed to each other by laser welding.
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