Patent · US Expired

Device for monitoring abnormality in a chain

US7140486B2 · kind B2 · utility

16Cited by
33References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 17, 2004
Grant dateNov 28, 2006
Priority date
Expiry dateJun 6, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2007/0861
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A chain monitoring device is provided with a base, guiding posts fixed to the base, a member movable along the guiding posts, a chain sprocket rotatable with a chain with its teeth being engaged into the chain, springs for resiliently urging the member for the engagement of the teeth into the chain, and a sensor detecting a change in position of the member. The chain sprocket is rotatably mounted to the member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.