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Title:
BOTH-END WORK MAHINE AND MANUFACTURE OF EXTENSION MEMBER
Document Type and Number:
Japanese Patent JP2000153403
Kind Code:
A
Abstract:

To obtain a both-end work machine capable of freely molding an eccentric shape in accordance with use also easily constituting an eccentric mechanism without causing complication of a structure and enlargement in size.

In this work machine, a cylindrical main spindle 11 is rotatably mounted through a bearing in an inner side of a head stock 10. A cylindrical sub-spindle 12 is fixed by a bolt 13 inserted through an end part to an inner side of the main spindle 11. A chuck part including a collet 17 in the vicinity of a right/left opening part of the sub-spindle 12 is fixedly mounted in its inner side.


Inventors:
TANAKA HIDEJI
ODA KIYOSHI
NAGASAKA MANABU
NAKAZAWA YOICHI
Application Number:
JP1998000326824
Publication Date:
June 06, 2000
Filing Date:
November 17, 1998
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
B23B5/16; B23B5/18; B23B31/10; B23B31/20; (IPC1-7): B23B31/10; B23B5/16; B23B5/18
Attorney, Agent or Firm:
鈴木 喜三郎 (外2名)



 
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