Powered midwheel drive wheelchair with standing capability

US12409085B2 · kind B2 · utility

Assignee

• PERMOBIL AB · SE

Inventors

• Herbert Van de Wal · Flen, SE
• Anton Danielsson · Sundsvall, SE
• Ulrik Löfvander · Härnösand, SE

Key dates

• Filing date: Jul 6, 2023
• Grant date: Sep 9, 2025
• Expiry date: Dec 6, 2043

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61G5/043
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A powered midwheel drive wheelchair includes a chassis, a seating system attached to the chassis, the seating system configured to move between a seated position and a standing position, a pair of drive wheels, a pair of front swing arms pivotally connected to the chassis, and front support wheels attached to a respective one of the front swing arms, wherein each front swing arm is configured to pivot relative to the chassis between a first position, where the front support wheel is at its uppermost position in relation to the chassis, and a second position, where the front support wheel is at its lowermost position in relation to the chassis, and wherein the front swing arms are configured to pivot to the first position in response to the seating system transitioning to the standing position, whereby the chassis is configured to tilt forward in relation to the floor surface.