| 摘要 |
PROBLEM TO BE SOLVED: To retain a print product by a retaining force according to the thickness of the product. SOLUTION: This biting claw drum device is provided with a drum body 12 rotatable about a central shaft 14, a rotary shaft 32 rotatable in the drum body 12, a cam follower 120 connected to the rotary shaft 32 and moving the rotary shaft 32, a biting claw receiver part 28 connected to the rotary shaft 32, a biting claw 40 connected to the rotary shaft 32, and a box cam 50. The cam follower 120 is placed in the box cam 50 to follow the box cam 50.
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