EP 1767178 A1 20070328 - Wheelchair suspension
Title (en)
Wheelchair suspension
Title (de)
Rollstuhlaufhängungssystem
Title (fr)
Suspension de fauteuil roulant
Publication
Application
Priority
EP 05020625 A 20050922
Abstract (en)
A side frame assembly (2) for a wheelchair suspension includes a mainframe (3), and a front caster frame (41) connected pivotally to both a front end of the mainframe (3) and a front caster (42). A return spring (5) is disposed between the front caster frame (41) and the mainframe (3) so as to bias the front caster (42) to a predetermined position. A drive wheel assembly (6) includes a drive wheel frame (61), a drive wheel (62) disposed pivotally on the drive wheel frame (61), and a driving unit (63) operable to rotate the drive wheel (62). A linkage (7) is connected pivotally to the mainframe (3), the front caster frame (41) and the drive wheel frame (61). A rear caster assembly (8) includes a rear caster frame (81) attached to a rear end of the mainframe (3), and a rear caster (82) disposed pivotally on the rear caster frame (81).
IPC 8 full level
CPC (source: EP)
A61G 5/043 (2013.01); A61G 5/06 (2013.01); A61G 5/1078 (2016.10)
Citation (search report)
- [XAY] US 6129165 A 20001010 - SCHAFFNER WALTER E [US], et al
- [XAY] US 2005077714 A1 20050414 - MULHERN JAMES P [US], et al
- [A] US 2004060748 A1 20040401 - MOLNAR JAMES H [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
DOCDB simple family (application)
EP 05020625 A 20050922