FLUID FLOW CONTROL STRUCTURE FOR BICYCLE DEVICE AND BICYCLE SEATPOST ASSEMBLY

A fluid flow control structure for a bicycle device comprises a fluid chamber structure and a piston. The fluid chamber structure includes a tube member at least partly defining a first chamber, a third chamber, and a fluid passage for changing volumes of the first chamber and the third chamber. The...

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Bibliographische Detailangaben
1. Verfasser:	Shirai, Toyoto
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A fluid flow control structure for a bicycle device comprises a fluid chamber structure and a piston. The fluid chamber structure includes a tube member at least partly defining a first chamber, a third chamber, and a fluid passage for changing volumes of the first chamber and the third chamber. The tube member has a longitudinal axis. The fluid passage includes a minimum fluid passage. The piston is movably disposed in the tube member in a telescopic direction of the longitudinal axis. An aperture rate is defined by dividing an area of the minimum fluid passage by a flow rate. The flow rate is defined by fluid volume passing through the minimum fluid passage as the tube member moves relative to the piston at 1.0 mm. The aperture rate is equal to or greater than 0.1.