Tool holding device and machine tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11376697
APP PUB NO 20200331072A1
SERIAL NO

16772779

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The tool holding device includes: a casing including a first surface, a second surface opposed to the first surface, and a first projection and a second projection projecting opposite to the first surface from the second surface; a first tool holding part disposed on the first surface at a position opposed to the first projection; a second tool holding part disposed on the first surface at a position opposed to the second projection; a driving-force input unit disposed at the end of the first projection and rotated by driving force being inputted; a first shaft extending in an axial direction perpendicular to the first surface and the second surface, the driving-force input unit and the first tool holding part being disposed at one end and the other end of the first shaft, respectively; a second shaft extending in the axial direction and having one end housed in the second projection, the second tool holding part being disposed at the other end of the second shaft; and a rotation transmitting unit rotating the second shaft in response to rotation of the first shaft.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
CITIZEN WATCH CO LTD1-12 TANASHICHO 6-CHOME NISHITOKYO-SHI TOKYO 188-8511
CITIZEN MACHINERY CO LTD4107-6 OAZA-MIYOTA MIYOTAMACHI KITASAKU-GUN NAGANO 389-0206

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kotake, Kyota Saitama, JP 8 8

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