Patent · US Expired

Caster wheel biasing mechanism

US5727285A · kind A · utility

11Cited by
7References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 13, 1996
Grant dateMar 17, 1998
Priority date
Expiry dateMay 13, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Y2200/223
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A caster wheel mounting mechanism having a shaft member to which the caster wheel is coupled, the shaft member having a generally circular cross section with a flatted portion, a mounting member having an opening within which the shaft member is pivotally received, and a compression spring for biasing an abutment member or ball into abutment with the shaft such that the caster wheel is biased to a predetermined position when the abutment member abuts the flatted portion of the shaft member.

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