EP 1202840 A1 20020508 - DRILLING HAMMER OR IMPACT HAMMER
Title (en)
DRILLING HAMMER OR IMPACT HAMMER
Title (de)
BOHR- ODER SCHLAGHAMMER
Title (fr)
MARTEAU DE PERFORATION ET DE DEMOLITION
Publication
Application
Priority
- DE 0001549 W 20000516
- DE 19933972 A 19990720
Abstract (en)
[origin: DE19933972A1] According to the invention, the impact mechanism (12) can be brought into an impact position by an axial displacement of the guide tube (13) out of a no-load operating position, whereby a restoring spring (27) subjects the guide tube (13) to a restoring force in a direction toward the no-load operating position, and whereby at least one shock absorbing and/or spring element (30, 36, 37) is provided between the guide tube (13) and the housing (11).
IPC 1-7
IPC 8 full level
B25D 17/24 (2006.01); B23B 45/16 (2006.01); B25D 9/04 (2006.01); B25D 11/12 (2006.01)
CPC (source: EP US)
B25D 11/125 (2013.01 - EP US)
Citation (search report)
See references of WO 0105558A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19933972 A1 20010125; CN 1247365 C 20060329; CN 1361726 A 20020731; DE 50001515 D1 20030424; EP 1202840 A1 20020508; EP 1202840 B1 20030319; JP 2003505257 A 20030212; US 6675908 B1 20040113; WO 0105558 A1 20010125
DOCDB simple family (application)
DE 19933972 A 19990720; CN 00810569 A 20000516; DE 0001549 W 20000516; DE 50001515 T 20000516; EP 00938558 A 20000516; JP 2001510628 A 20000516; US 4873802 A 20020502