Title:
POSITIONING TOOL USED FOR TOOL FIXING DEVICE
Document Type and Number:
Japanese Patent JP3088916
Kind Code:
B2
Abstract:
PURPOSE: To regulate projection length of a tool without pulling out the tool from a tool holding means in each time by freely screwing a tool holding means in the axial direction and forming an engagement recessed part for irrotationally engaging with the rear end of the tool at the tip side of a positioning tool.
CONSTITUTION: When projection length of a tool 5 to a tool holding means is changed after completing holding of the tool 5, at first, a nut member is set into a little loosened state and the tool 5 is made to rotate around a tool holding means. Thus, rotation of the tool 5 is transmitted to a positioning tool 1 via a tongue 7 and an engagement recessed part 10, and after projection quantity of the tool 5 for screwing this positioning tool 1 is set to appropriate quantity, the nut member is again increasingly fastened. In this case, a seat part 12 for buffer is provided in the bottom part of this recessed engagement part 10.
Inventors:
Masakazu Matsumoto
Application Number:
JP29761394A
Publication Date:
September 18, 2000
Filing Date:
November 30, 1994
Export Citation:
Assignee:
Nikken Kosakusho Co., Ltd.
International Classes:
B23B31/20; B23B31/02; (IPC1-7): B23B31/20
Domestic Patent References:
| JP5329705A | ||||
| JP235659U |
Attorney, Agent or Firm:
Toshio Yasuda