Patent · US Expired

Self-tensioning belt tightener

US4634407A · kind A · utility

26Cited by
5References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 12, 1985
Grant dateJan 6, 1987
Priority date
Expiry dateAug 12, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2007/0853
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A compact belt tensioning device includes a double acting pawl which selectively engages opposed sets of ratchet teeth formed on a stationary mounting. The tensioning device is adapted to be preset in a tensioned state to facilitate installation and repair procedures and may be easily activated by manually releasing the pawl.

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