ROTARY CUTTER UNIT

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United States of America Patent

APP PUB NO 20240351233A1
SERIAL NO

18641625

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rotary cutter unit includes: a cutter roll; an anvil roll parallel to the cutter roll; two pairs of rotatably-supporting portions, each pair disposed at respective opposite ends of each of the two rolls; a pair of air springs each installed to apply pressure to a respective one of the pair of rotatably-supporting portions of one roll; and a pair of spring elements each installed to apply pressure to a respective one of the pair of rotatably-supporting portions of the other roll, in a direction opposed to the pressure application of the air springs. The air springs and spring elements apply pressures to respective corresponding ones of the pairs of rotatably-supporting portions, in opposite directions sandwiching the two rolls. Each rotatably-supporting portion is slidable in directions which cause pressure applied from a corresponding one of the pair of air springs and the pair of spring elements to increase and decrease.

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Patent Owner(s)

Patent OwnerAddress
NIPPON TUNGSTEN CO LTDHAKATA-KU FUKUOKA-SHI 2-8 MINOSHIMA 1-CHOME FUKUOKA 812-8538

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MOTOISHI, Aiko Fukuoka, JP 1 0
TSUJI, Yasunori Fukuoka, JP 5 16

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