EP 2065139 B1 20170315 - Hand tool machine with pneumatic striking mechanism
Title (en)
Hand tool machine with pneumatic striking mechanism
Title (de)
Handwerkzeugmaschine mit pneumatischem Schlagwerk
Title (fr)
Machine-outil manuelle dotée d'un mécanisme à percussion pneumatique
Publication
Application
Priority
CN 200710196416 A 20071127
Abstract (en)
[origin: EP2065139A1] The tool (1) has a pneumatic percussion mechanism (2) including a percussion piston (5) reciprocating along a percussion axis (A) with a bore (6) extending at an angle to the percussion axis, and an air spring (4) for displacing the percussion piston. The percussion piston made of steel includes an axial length and half of guide diameter, and an axial end side comprises a radial reduction with a spherical impact surface, where the reduction forms a radial bead adjacent to the impact surface.
IPC 8 full level
B25D 17/06 (2006.01)
CPC (source: EP US)
B25D 17/06 (2013.01 - EP US); B25D 2211/061 (2013.01 - EP US); B25D 2217/0023 (2013.01 - EP US); B25D 2222/42 (2013.01 - EP US); B25D 2250/391 (2013.01 - EP US)
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 MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2065139 A1 20090603; EP 2065139 B1 20170315; CN 101444909 A 20090603; CN 101444909 B 20130327; JP 2009125931 A 20090611; JP 5584408 B2 20140903; US 2009133893 A1 20090528; US 7926586 B2 20110419
DOCDB simple family (application)
EP 08105745 A 20081107; CN 200710196416 A 20071127; JP 2008299556 A 20081125; US 31348508 A 20081119