Running wheel arrangement for a wheelchair

US7341123B2 · kind B2 · utility

Assignee

• Otto Bock Healthcare IP GmbH & Co. KG. · DE

Inventors

• Thomas Brendel · Treuchtlingen, DE
• Heinz Perk · Aglasterhausen, DE
• Oliver Kretschmer · Sinsheim, DE
• Andreas Biederstadt · Stralsund, DE

Key dates

• Filing date: Aug 12, 2005
• Grant date: Mar 11, 2008
• Expiry date: Aug 31, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S180/907
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A running wheel arrangement for a wheelchair that can be driven by electric motor including a frame and wheels releasably connected. A driving motor being integrated in two wheels and the wheels are connected via a respective adapter arranged on the frame. The wheel is inserted into the adapter and mechanically lockable via a locking device which includes: a pivot plate fastened to the driving motor; the wheel is mounted rotatably in a pivot plate via an axle bolt; a link bolt pointing in the direction of travel arranged in the adapter; a cross-sectionally U-shaped tab arranged at one end of the pivot plate; the tab being placed onto the link bolt such that the wheel is shifted by means of a pivoting movement toward the frame until a locking bolt provided on the pivot plate engaged on the locking bush arranged on the adapter, and the wheel is locked mechanically with respect to the frame via the locking bolt and the locking bush.