Patent · US Expired

Belt pulley

US4979928A · kind A · utility

4Cited by
4References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 14, 1989
Grant dateDec 25, 1990
Priority date
Expiry dateSep 14, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2055/363
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pulley having a special outer contour particularly adapted to establish self aligning of narrow width belts rotating thereon. The outside diameter of the pulley is gradually crowned from each end with a more sharply crowned ridge located at the center intermediate the ends of the pulley to provide a compound crowned contour.

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