| 摘要 |
PROBLEM TO BE SOLVED: To lighten a shock sound especially an inversion sound generated at a fitting position of a slide part to a guide shaft when the slide part on a carrier side is molded of a synthetic resin in a recorder wherein the carrier is connected to a belt via a coupler. SOLUTION: The coupler 7 is fitted to a carrier 1 via a floating structure and the coupler 7 is connected to a belt. A pair of ribs 15 and 15 opposed mutually putting a connection part 9 of the coupler 7 between them is projected to the carrier 1. Inner side faces of the ribs 15 and 15 are made a receiving surface 16 for controlling a play action width in a left-right direction of the connection part 9. The coupler 7 is held with a buffer body 94 comprising a rubber material coming between those mutual receiving surfaces so as to come in contact with both of a pair of the receiving surfaces 16 and 16.
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