Title:
予圧検知可能なねじ装置
Document Type and Number:
Japanese Patent JP6952570
Kind Code:
B2
Abstract:
To provide a preload detectable screw device, where a shim is interposed between two nuts.SOLUTION: A preload detectable screw device comprises: two nuts 2, 3; a shim 4 held and compressed between the two nuts 2, 3; coupling parts 25, 26 coupling the two nuts 2, 3 to each other in a relatively non-rotatable manner; and a force sensor 31 configured to detect preload. In the shim 4, holes 32a, 32b, 32c are provided so as to separate from the coupling parts 25, 26. The force sensor 31 is attached to an outer surface P2-1 of the shim 4 near the holes 32a, 32b, 32c.SELECTED DRAWING: Figure 1
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Inventors:
Kubota Yuji
Hiroshi Suzuki
Takamitsu Tomiyama
Hiroshi Suzuki
Takamitsu Tomiyama
Application Number:
JP2017202682A
Publication Date:
October 20, 2021
Filing Date:
October 19, 2017
Export Citation:
Assignee:
THK CO.,LTD.
International Classes:
F16H25/24; F16H25/22; G01L5/00
Domestic Patent References:
| JP2221747A |
Foreign References:
| US20170159778 |
Attorney, Agent or Firm:
Toshiyuki Shiojima
Masao Tanaka
Masao Tanaka