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Title:
GRINDING SPINDLE FOR THREAD GRINDER
Document Type and Number:
WIPO Patent Application WO/2014/069370
Kind Code:
A1
Abstract:
A quill (2) comprises the following: a fixed-side quill (11) affixed to a spindle housing (50); and a tip-side quill (20A-20C), to which a grinding wheel (40) is attached, and which is removably joined to the fixed-side quill (11). At the point where the fixed-side quill (11) and the tip-side quill (20A-20C) are joined to each other, flat surfaces (C, C') that are perpendicular to the axis (T) of the quill (2) are placed up against each other. A first drive shaft (17) is disposed inside the fixed-side quill (11), and a second drive shaft (27), which rotates together with the grinding wheel (40), is disposed inside the tip-side quill (20A-20C). The first drive shaft (17) and the second drive shaft (27) are removably coupled to each other.

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Inventors:
IGARASHI KIYOSHI (JP)
Application Number:
PCT/JP2013/078989
Publication Date:
May 08, 2014
Filing Date:
October 25, 2013
Export Citation:
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Assignee:
NSK LTD (JP)
International Classes:
B23G1/38; B24B41/04
Foreign References:
JPS5558919A1980-05-02
JP2003028184A2003-01-29
JP2009542997A2009-12-03
JP2005022058A2005-01-27
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
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