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Title:
TOOL POST OF DRILL BORING DEVICE
Document Type and Number:
Japanese Patent JP2016043432
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a tool post which can safely receive drills even if the drills have different ring outer diameters.SOLUTION: A tool post including: plural holder pieces 7 for constituting a holder part 8; a storage part in which a lower part of the holder piece 7 is stored; a component 11 which is disposed in the storage part and so connect the lower parts of the holder pieces 7 that the holder pieces are rotatable; a movable body 5 which can vertically move in the storage part and contacts the lower part of the holder piece at a taper surface in an inverted V-shaped direction; and a spring 4 which pushes up the movable body 5 from a lower side in the storage part, in which when a diameter of the holder 8 is increased, a reaction force is generated by the spring 4.SELECTED DRAWING: Figure 1

Inventors:
KAMOSHITA KEIICHI
OTA KEISUKE
Application Number:
JP2014168012A
Publication Date:
April 04, 2016
Filing Date:
August 21, 2014
Export Citation:
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Assignee:
VIA MECHANICS LTD
International Classes:
B23Q3/157
Domestic Patent References:
JP2000280133A2000-10-10
JPS57173441A1982-10-25
JP2000042996A2000-02-15
JP2002307220A2002-10-23
JP2010234490A2010-10-21
JPS59132741U1984-09-05
JPS60109836U1985-07-25
JPH06634U1994-01-11
JPH06155397A1994-06-03
JPH07290333A1995-11-07
JP2002361536A2002-12-18
JPS573538U1982-01-09
JPS573539U1982-01-09
JPS58160740U1983-10-26
JPS59172408U1984-11-17
JPS59205207A1984-11-20
Foreign References:
CN104002206A2014-08-27
US2172070A1939-09-05
US2478382A1949-08-09



 
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