Patent · US Expired

Automatic brake adjuster with automatically adjusted steady point

US4270633A · kind A · utility

2Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1980
Grant dateJun 2, 1981
Priority date
Expiry dateJan 16, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D65/565
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A duo servo drum brake has an adjusting lever pivoted on the secondary brake shoe and engaging the star wheel of an adjusting screw acting between adjacent ends of the primary and secondary brake shoes. An adjusting rod for operating the adjusting lever during forward braking actuation is pivotally connected to the secondary shoe rim near the adjusting lever, and the pivotal connection is infinitely adjusted for brake wear.

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