Title:
荷重及び/又は応力測定手段を備える持上げ部材
Document Type and Number:
Japanese Patent JP4972686
Kind Code:
B2
Abstract:
The unit (1) has a proximal part (1a) fixed to a lifting apparatus and a distal part (1b) connected to a load to be lifted. A longitudinal section (1c) is developed from the proximal part in a direction of the distal part and is elastically elongated under an action of a part of lifting effort. An optical fiber stress sensor (2) having reduced diameter is inserted into a longitudinal channel (1d) of the section and is fixed to a lateral wall of the channel. A connector (3) transmits signals from the sensor to a sensor signal reception and analyzing unit (4).
Inventors:
Zeigart Beat
Application Number:
JP2009511602A
Publication Date:
July 11, 2012
Filing Date:
May 24, 2007
Export Citation:
Assignee:
Lasteck
International Classes:
G01L1/04; G01G3/12; G01L9/00
Domestic Patent References:
| JP2000028448A | ||||
| JP2005010064A | ||||
| JP8248046A | ||||
| JP11083646A |
Foreign References:
| US5945665 |
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito