Title:
工作機械用の割出装置
Document Type and Number:
Japanese Patent JP4883815
Kind Code:
B2
Abstract:
A cylindrical pressure-receiving member 34b is arranged in a space between a ring-shaped clamp sleeve 34a and a frame 31b such that the clamp sleeve 34a is fitted around a shaft 38b being integral with a rotary shaft 39. In an outer peripheral portion 34a2 of the clamp sleeve 34a, an annular groove 34a1 provided continuously over the entire circumference within an axial area of the outer peripheral portion 34a2 fitted into an inner peripheral portion 34b3 of the pressure-receiving member 34b provides a thin-wall portion 34a5. Also, a space surrounded by the annular groove 34a5 and the pressure-receiving member 34b provides a pressure chamber 34d communicating with a fluid control circuit. A predetermined gap 34d2 is provided between an inner peripheral surface 31b4 of the through hole 31b1 of the frame and an outer peripheral surface 34b2 of the pressure-receiving member 34b.
Inventors:
Tatsuda good religion
Yoichi Nishida
Yoichi Nishida
Application Number:
JP2008553972A
Publication Date:
February 22, 2012
Filing Date:
November 12, 2007
Export Citation:
Assignee:
Tsudakoma Industry Co., Ltd.
International Classes:
B23Q16/10; B23Q1/28
Domestic Patent References:
| JP2002103181A | 2002-04-09 | |||
| JP2005138275A | 2005-06-02 |
Attorney, Agent or Firm:
Kunio Nakagawa