| 摘要 |
A fastening structure ( 10 ) in which a first member ( 11 ) and a second member ( 12 ) are mutually connected, the second member ( 12 ) is formed with a hole ( 16 ), the first member ( 11 ) is formed with a tubular projecting portion ( 14 ), the hole ( 17 ) is inserted into the tubular projecting portion ( 12 ), a fastening member ( 13 ) including a threaded portion 13 c having an outer diameter larger than a minimum inside diameter of the tubular projecting portion ( 14 ) and smaller than a hole diameter of the second member ( 12 ) is screwed into the tubular projecting portion ( 14 ) in the axis line direction, and by this screwing of the fastening member ( 13 ) into the tubular projecting portion ( 14 ), the tubular projecting portion is expanded to expand radially and outwardly, and then an outer circumference surface of the tubular projecting portion is pressed onto the peripheral wall of the hole ( 17 ) of the second member ( 12 ).
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