Title:
液体圧装置
Document Type and Number:
Japanese Patent JP4856142
Kind Code:
B2
Abstract:
The present invention relates to a fluid pressure device (16) which converts energy of a working medium supplied to an interior of a pressure chamber into mechanical energy, and in particular, it relates to a fluid pressure device which is screw- fastened on a bolt inserted into an insertion hole of a fastened member in a state applied with a tensile force in advance. The fluid pressure device (16) comprises a first load supporting member (17); a second load supporting member (18) relatively movably incorporated into said first load supporting member (17) and partitioning and forming said pressure chamber (27) together with said first load supporting member (17), and a lock ring (21) including a female screw portion (36) screw-connected to a male screw portion (25c) provided with an outer circumferential surface of one of said first and second load supporting members (17;18), and a load supporting surface (21a) contacting with an end surface (23a) of the other of said first and second load supporting members (17;18). The lock ring (21a) supports a load of said second load supporting member (18) and is radially divisible.
Inventors:
Jun Imai
Kei Imai
Yutaka Imai
Goda Tatsuo
Kei Imai
Yutaka Imai
Goda Tatsuo
Application Number:
JP2008250693A
Publication Date:
January 18, 2012
Filing Date:
September 29, 2008
Export Citation:
Assignee:
Jun Imai
Kei Imai
Toru Imai
Yutaka Imai
Kei Imai
Kei Imai
Toru Imai
Yutaka Imai
Kei Imai
International Classes:
F16B31/04; F16B1/00; F16B33/02; F16B37/00; F16B37/10
Domestic Patent References:
| JP6264909A | ||||
| JP6081824A | ||||
| JP2002122115A | ||||
| JP2002021834A | ||||
| JP62261705A | ||||
| JP59117909A | ||||
| JP11303838A | ||||
| JP3012347U | ||||
| JP63135607A | ||||
| JP55166520A |
Attorney, Agent or Firm:
Yamato Tsutsui
Yoshitaka Kozuka
Yoshitaka Kozuka