DRIVE WHEEL

A drive wheel (10) for travelling over a surface comprising a support member (12), a wheel member (11) and a drive shaft (24). The drive shaft (26) has a drive means engaging a drive surface on the wheel member to rotatably drive the wheel member relative to the support member. The drive shaft (24)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BECH, MOGENS ILSTED
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AXLES FOR WHEELS OR CASTORS CASTORS INCREASING WHEEL ADHESION PERFORMING OPERATIONS TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A drive wheel (10) for travelling over a surface comprising a support member (12), a wheel member (11) and a drive shaft (24). The drive shaft (26) has a drive means engaging a drive surface on the wheel member to rotatably drive the wheel member relative to the support member. The drive shaft (24) also has a longitudinal axis and the engagement of the drive means and drive surface define in vertical cross section a line of engagement that is at an acute angle to the longitudinal axis. The wheel member (11) has a tread portion (28) extending about its periphery and positioned such that it is intersected by the line of engagement substantially where it contacts the surface. A chassis for vehicles such as wheel chairs having one or more drive wheels according to the invention is also described.