Motorcycle front wheel suspension device
US4834412A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jul 16, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62K25/005
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A supporting and steering device for a front wheel of a motorcycle includes a single arm having a bent portion enveloping a portion of the periphery of the front wheel, a lower portion holding the wheel axle and an upper extension; a lower guiding arm having a first end rotatively mounted on the chassis in a position substantially perpendicular to the longitudinal median plane of the motorcycle and a second end; a first ball and socket joint which pivotally connects the second end of the lower guiding arm with the lower portion of the single arm; an upper connecting arm having a first end rotatively mounted on the chassis substantially perpendicular to the longitudinal median plane of the motorcycle and the second end; a second ball and socket joint which pivotally connects the second end of the upper connecting arm with the upper extension of the single arm; an imaginary line extending between centers of the first and second ball and socket joints constituting the steering axis of the front wheel about which the front wheel is angularly displaced for steering the motorcycle; and a suspension spring and shock absorber interposed between the upper extension of the single arm and the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.