Sewing device and looper positioning method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11834766
APP PUB NO 20220307178A1
SERIAL NO

17676836

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a sewing device comprising a needle and a looper, the sewing device including a rotation shaft that rotates the looper, and a set bolt that has a conical distal end and positions the looper in an axial direction relative to the rotation shaft from a radial direction of the rotation shaft, in which the looper includes a through screw hole into which the set bolt is screwed, the rotation shaft includes a groove recessed from a peripheral surface of the rotation shaft, and the groove includes an inclined surface that the distal end of the set bolt contacts. In one aspect, in the sewing device, a cross section of the groove viewed in a direction along an axis of the rotation shaft has a V shape. As a result, a relative position between the needle and the looper can be positioned with significantly high accuracy.

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Patent Owner(s)

Patent OwnerAddress
HONDA MOTOR CO LTDTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikadai, Yosuke Tokyo, JP 13 11
Morimoto, Taisuke Tokyo, JP 5 0
Nakayama, Kazuma Tokyo, JP 7 2
Takamura, Tohru Tokyo, JP 23 119

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