Patent · US Active

Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the same

US10058466B2 · kind B2 · utility

1Cited by

2References

6Claims

0Family size

Assignee

PERMOBIL AB · SE

Inventors

Erik Kalf · Errington, CA
Pär Torgersson · Matfors, SE
Herbert Van de Wal · Flen, SE

Key dates

Filing date	Sep 16, 2015
Grant date	Aug 28, 2018
Priority date	—
Expiry date	Sep 19, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61G5/06
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 Nm/degree. An electrically powered wheelchair comprising a chassis arrangement (1) is also presented herein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.