Patent · US Expired

Bicycle suspension system

US5044648A · kind A · utility

109Cited by
19References
28Claims
0Family size

Inventor

Key dates

Filing dateApr 18, 1989
Grant dateSep 3, 1991
Priority date
Expiry dateApr 18, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62K25/30
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The invention comprises a suspension system for a bicycle or similar vehicle to allow shock isolation at the location of the seat or handle bar mounting or other locations. The suspension system as well as a variable rate progressive dampening assembly. The hydraulic fluid is also utilized to lubricate the moving portions of the system to promote proper function and extend the useful life thereof. The system also has a variable spring preload to accommodate different sized riders. The system is cost effective and yet extremely durable and may be retrofit for use with existing bicycles.

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