| 摘要 |
PROBLEM TO BE SOLVED: To provide high dimensional accuracy while reducing a manufacturing cost by mounting a pressing member to a general chain in a push chain wrapped around a sprocket and pushed out following the rotation of the sprocket. SOLUTION: A plurality of attachments 2 of approximately U-shaped cross section are mounted to a roller chain 1. A plurality of engaging recessed parts 8 are formed at a plurality of legs 7 provided at both side plates 5, 5 of the attachment 2 of U-shaped cross section, and the engaging recessed parts 8 are engaged with a plurality of ring grooves 12 at the tip parts of pins projecting from the roller chain 1, to mount the attachment 2. COPYRIGHT: (C)2004,JPO
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