Title:
CHAIN EXTENSION DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/286277
Kind Code:
A1
Abstract:
A chain extension detection device according to this disclosure comprises a pair of rotary shafts that are provided such that a straight line joining the shaft centers thereof is parallel to the travel direction of a given chain (1) and a pair of levers that are attached so as to be capable of rotating freely around the rotary shafts. The distance between the pair of rotary shafts is set to the same distance as the chain pitch of the chain (1). The pair of levers have a pair of end parts that are capable of touching the lateral surfaces of adjacent outer links of the chain (1) or the lateral surfaces of adjacent inner links of the chain (1). The pair of end parts are formed so as to touch the chain (1) in the same way. At least one of the pair of levers has a structure provided at an end part on the reverse side from the side that touches the chain (1), and the state of the structure changes mechanically in response to variation in the relative interval between the pair of end parts of the pair of levers on the sides that touch the chain (1).
Inventors:
HASHIOKA YUTAKA (JP)
AKAZAWA KAZUTOSHI (JP)
OKUDA RYU (JP)
AKAZAWA KAZUTOSHI (JP)
OKUDA RYU (JP)
Application Number:
PCT/JP2021/026840
Publication Date:
January 19, 2023
Filing Date:
July 16, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP (JP)
MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP (JP)
International Classes:
G01B5/02; G01B21/06
Foreign References:
| JP2016173244A | 2016-09-29 | |||
| JP2008068960A | 2008-03-27 | |||
| JPH02129806U | 1990-10-25 | |||
| JPH1030923A | 1998-02-03 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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