Title:
MECHANISM FOR GRASPING TOOL, CHUCK, CLAMPING MECHANISM OR THE LIKE
Document Type and Number:
WIPO Patent Application WO/2010/146976
Kind Code:
A1
Abstract:
Provided is a double grasping mechanism comprising a double grasped part and a double gripping mechanism, and also provided are a spindle, a holder holding mechanism, a main shaft, and a holder holding device each having the double gripping mechanism, and a tool holder, a chuck holder, and a clamp holder.
The double grasped part comprises an external pull stud (11) and internal pull studs (22, 32, 42, 55). The double gripping mechanism comprises: an external gripping mechanism including an external major diameter portion (90e), an external minor diameter portion (90g), an external draw bar (85), and an external ball (92a); and an internal gripping mechanism including an internal major diameter portion (85b), an internal minor diameter portion (85c), an internal draw bar (84), and an internal ball (92b). The tool holders (2a to 2c) have the external pull stud (11). The chuck holders (6a to 6d) have the external pull stud (11) and the internal pull studs (22, 32). The clamp holders (8a, 8b) have the external pull stud (11) and the internal pull studs (42, 55).
Inventors:
KANEMATSU MINORU (JP)
Application Number:
PCT/JP2010/058879
Publication Date:
December 23, 2010
Filing Date:
May 26, 2010
Export Citation:
Assignee:
KANEMATSU MINORU (JP)
International Classes:
B23B31/117
Foreign References:
| JPH07112310A | 1995-05-02 | |||
| JPH09309012A | 1997-12-02 | |||
| JP2005279874A | 2005-10-13 | |||
| JP3724240B2 | 2005-12-07 | |||
| JPH0890315A | 1996-04-09 |
Other References:
See also references of EP 2460610A4
Attorney, Agent or Firm:
TAKEYAMA MINEKAZU (JP)
Minekazu Takeyama (JP)
Minekazu Takeyama (JP)
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