EP 2218482 A1 20100818 - A device for ball games
Title (en)
A device for ball games
Title (de)
Vorrichtung für Ballspiele
Title (fr)
Dispositif de jeux de balles
Publication
Application
Priority
EP 09152826 A 20090213
Abstract (en)
A device for ball games providing an adjustable rebound force, comprising a frame structure and a sheet. The sheet is directly attached to the frame structure at least partly along an outer rim of the sheet. The device further comprises a tensioning means for providing the sheet with a tension. The tensioning means can be an expandable element operated hydraulically or pneumatically. The rebound force can be adjusted in an easy and fast way by changing the pressure in the expandable element.
IPC 8 full level
A63B 69/00 (2006.01)
CPC (source: EP)
A63B 69/0097 (2013.01); A63B 2208/12 (2013.01); A63B 2225/09 (2013.01); A63B 2225/62 (2013.01)
Citation (applicant)
- US 4948147 A 19900814 - PALLANCA MICHEL [FR]
- US 5857679 A 19990112 - RINGE THOMAS [US], et al
Citation (search report)
- [XY] US 4836530 A 19890606 - STANLEY JR BEDFORD F [US]
- [Y] WO 9919031 A1 19990422 - VIRTUAL SPORTS INC [US], et al
- [Y] EP 0064359 A2 19821110 - RICHARDSON KENNETH
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 09152826 A 20090213