Suspension fork, in particular for a bicycle

Patent metadata

Field	Value
Publication number	US-8939459-B2
Application number	US-201314012221-A
Country	US
Kind code	B2
Filing date	Aug 28, 2013
Priority date	Aug 28, 2012
Publication date	Jan 27, 2015
Grant date	Jan 27, 2015

Abstract

A suspension fork for a bicycle has a tube system with an inner tube and an outer tube that are movable relative to one another. A damper system with a field-sensitive damping fluid is provided within the tube system. The damper device has a damper chamber that is partitioned to form a first chamber and a second chamber by a movable piston attached to a piston rod. A first throttle valve with a first field generating device and a second throttle valve with a second field generating device enable influencing the first and second throttle valves. First and second switching valves are provided. The first and second throttle valves and the first and second switching valves are interconnected such that in the compression stage there is flow only through the first throttle valve while in the rebound stage the first and second throttle valves are connected in series.

First claim

The invention claimed is:

1. A suspension fork, comprising:
a head tube, at least one tube system connected to said head tube and including an inner tube and an outer tube movably disposed relative to one another, and a wheel receiving space adjacent said tube system;
a damper device disposed within said tube system, said damper device having a damper chamber, a field-sensitive damping fluid, and a piston connected to a piston rod and movable in a compression stage and a rebound…

Assignees

• Dt Swiss Inc
• Dt Swiss Inc

Inventors

• Battlogg Stefan
• Walthert Martin
• Kieber Michael
• Poesel Juergen

Classifications

• B62K25/08 Primary

  Operations & Transport · mapped topic