Patent · US Expired

Pivoting castor with directional locking

US5450650A · kind A · utility

15Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1994
Grant dateSep 19, 1995
Priority date
Expiry dateMar 24, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60B33/0057
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pivoting castor having a rotating wheel able to pivot about a vertical pivot shaft. The castor includes a support bearing structure fixed to the lower end of the pivot shaft and supporting a fork joint the lower end of which supports the wheel. A locking mechanism including a spring strip member is disposed in a space between the support bearing and the wheel and is pivoted on the fork joint. The spring strip member includes a locking bolt which is able to engage in a recess provided in the support bearing structure for locking the wheel against pivoting about the pivot shaft.

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