EP 0427647 B1 19940810 - Pneumatic percussive apparatus with exchangeable worktool.
Title (en)
Pneumatic percussive apparatus with exchangeable worktool.
Title (de)
Pneumatischer Schlagapparat mit auswechselbarem Arbeitswerkzeug.
Title (fr)
Appareil pneumatique de percussion à outil de travail amovible.
Publication
Application
Priority
FR 8914878 A 19891108
Abstract (en)
[origin: EP0427647A1] Percussive worktool. The device comprises a head (12) having a bore (20): - connecting with two chambers (14, 15), - containing a piston (30) which is free with respect to the bore and comprising a radial opening (33) capable of coinciding with one or the other of two recesses (25, 26) inside the bore (20) and respectively connecting with the chamber (15) and with the exhaust (7). Application to barker devices. <IMAGE>
IPC 1-7
IPC 8 full level
B25D 9/04 (2006.01); B25D 9/14 (2006.01); B25D 9/18 (2006.01); B25D 17/08 (2006.01); B25D 17/24 (2006.01)
CPC (source: EP)
B25D 9/04 (2013.01); B25D 9/14 (2013.01); B25D 9/18 (2013.01); B25D 17/08 (2013.01); B25D 17/24 (2013.01)
Designated contracting state (EPC)
AT BE DE ES FR GB IT
DOCDB simple family (publication)
EP 0427647 A1 19910515; EP 0427647 B1 19940810; AT E109711 T1 19940815; DE 69011474 D1 19940915; DE 69011474 T2 19950209; ES 2062475 T3 19941216; FR 2654029 A1 19910510; FR 2654029 B1 19920221
DOCDB simple family (application)
EP 90420482 A 19901108; AT 90420482 T 19901108; DE 69011474 T 19901108; ES 90420482 T 19901108; FR 8914878 A 19891108