Swing arm assembly for a mid-wheel drive wheelchair

US10667970B2 · kind B2 · utility

Assignee

• PERMOBIL AB · SE

Inventors

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

Key dates

• Filing date: Jan 23, 2018
• Grant date: Jun 2, 2020
• Expiry date: Jul 8, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60G2300/24
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The present disclosure relates to a swing arm assembly (1) for a mid-wheel drive wheelchair (21), comprising: a front swing arm (3) having a front swing arm pivot point (3a), a drive assembly swing arm (5) having a drive assembly swing arm pivot point (5a) and a resilient member first mounting point (5b), a rear swing arm (7) having a rear swing arm pivot point (7a) and a resilient member second mounting point (7b), and a resilient member (9) configured to be connected to the resilient member first mounting point (5a) and to the resilient member second mounting point (7a) to enable force transfer between the drive assembly swing arm (5) and the rear swing arm (7).