EP 2514569 B1 20150617 - Handheld machine tool and production method
Title (en)
Handheld machine tool and production method
Title (de)
Handwerkzeugmaschine und Herstellungsverfahren
Title (fr)
Machine-outil manuelle et procédé de fabrication
Publication
Application
Priority
DE 102011007660 A 20110419
Abstract (en)
[origin: EP2514569A1] The hammer drill (1) comprises a motor-driven exciter (12), a guide tube (20) having several punched ventilation openings (23,24), and a piston-shaped striker (13). The piston-shaped striker and the exciter pass through the inside of guide tube, to delimit an air spring in the guide tube. A metal strip (25) is bent to form the guide tube with opposite lengthwise edges joined by one of a seam and a positive fit created by the teeth. The seam is wound helically around the working axis (10) of guide tube. An independent claim is included for manufacturing method of hand-held power tool.
IPC 8 full level
B25D 17/06 (2006.01); B21C 37/08 (2006.01); B21C 37/15 (2006.01); B21C 37/30 (2006.01)
CPC (source: EP US)
B21C 37/08 (2013.01 - EP US); B21C 37/0815 (2013.01 - EP US); B21C 37/157 (2013.01 - EP US); B21C 37/30 (2013.01 - EP US); B25D 17/06 (2013.01 - EP US); B25D 2217/0019 (2013.01 - EP US); B25D 2250/035 (2013.01 - EP US); B25D 2250/065 (2013.01 - EP US); Y10T 29/49826 (2015.01 - EP US)
Citation (examination)
DE 3307482 A1 19831027 - BLACK & DECKER INC [US]
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2514569 A1 20121024; EP 2514569 B1 20150617; CN 102744713 A 20121024; CN 102744713 B 20160928; DE 102011007660 A1 20121025; ES 2546070 T3 20150918; US 2012267138 A1 20121025; US 9969072 B2 20180515
DOCDB simple family (application)
EP 12157423 A 20120229; CN 201210111015 A 20120416; DE 102011007660 A 20110419; ES 12157423 T 20120229; US 201213440643 A 20120405