Patent · US Expired

Compact coil spring tensioner

US5195932A · kind A · utility

16Cited by
10References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1989
Grant dateMar 23, 1993
Priority date
Expiry dateOct 12, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2007/088
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An apparatus is provided for tensioning a drive belt, which apparatus consists of tensioner arm having an idler pulley thereon for engagement with the surface of a drive belt, structure for mounting the tensioner arm to a support for pivoting movement in first and second opposite directions relative to the support, and a torsion coil spring formed of wire and acting between the mounting structure and tensioner arm for biasing the tensioner arm in one of the first and second directions. The wire has a non-circular cross section.

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