Title:
張力過重防止装置およびクレーン
Document Type and Number:
Japanese Patent JP7253930
Kind Code:
B2
Abstract:
To provide a tension overload prevention device and a crane that can effectively prevent tension overload with a simple structure.SOLUTION: There are included a first member 16 and a second member 17 which are disposed opposite each other with respect to a rope 14 and to which the rope 14 is stretched therebetween, an elastic body 20 that pushes the second member 17 towards the rope 14, and displacement detection mechanisms 21, 22 which detect the displacement of the second member 17 in the counter force direction. The displacement detection mechanisms 21, 22 are configured to detect the displacement of the second member 17 by means of a contact section 21 and a contact switch 22 which are displaced from each other as the second member 17 is displaced.SELECTED DRAWING: Figure 5
More Like This:
Inventors:
Masakazu Machida
Application Number:
JP2019011092A
Publication Date:
April 07, 2023
Filing Date:
January 25, 2019
Export Citation:
Assignee:
Kato Manufacturing Co., Ltd.
International Classes:
B66C23/88; B66C13/16; B66C23/26
Domestic Patent References:
| JP49090182U | ||||
| JP57103985U | ||||
| JP3023187U | ||||
| JP2003083827A | ||||
| JP54070578U |
Foreign References:
| US4171640 |
Attorney, Agent or Firm:
Patent Attorney Yamada Patent Office
Previous Patent: heating cooking system
Next Patent: DESTRUCTION PREVENTION SYSTEM FOR PROGRAM DATA STORAGE AREA
Next Patent: DESTRUCTION PREVENTION SYSTEM FOR PROGRAM DATA STORAGE AREA