Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberDE2242944 A1
Publication typeApplication
Application numberDE19722242944
Publication date14 Mar 1974
Filing date31 Aug 1972
Priority date31 Aug 1972
Also published asDE2242944B2, US3828863
Publication number19722242944, 722242944, DE 2242944 A1, DE 2242944A1, DE-A1-2242944, DE19722242944, DE2242944 A1, DE2242944A1, DE722242944
InventorsManfred Bleicher, Jaerg Faelchle, Reinhard Dipl Ing Hahner, Gernot Haensel, Wolfgang Dipl Ing Schmid, Karl Dr Ing Wanner
ApplicantBosch Gmbh Robert
Export CitationBiBTeX, EndNote, RefMan
External Links: DPMA, Espacenet
Bohrhammer Rotary Hammer translated from German
DE 2242944 A1
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
*DE2029613B Title not available
AT279456B * Title not available
US3203490 *27 Jun 196331 Aug 1965Black & Decker Mfg CoCompact rotary hammer
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
DE2709946A1 *8 Mar 197714 Sep 1978Novopress GmbhStellantrieb fuer ein schneidwerkzeug, presswerkzeug oder dergleichen
DE2757008A1 *21 Dec 197728 Jun 1979Licentia GmbhRotary and impact operated pneumatic drill - has electromechanical or mechanical coupling to disconnect crank drive for reciprocating mechanism
DE3235544A1 *25 Sep 198229 Mar 1984Bosch Gmbh RobertDrill hammer
DE3319934A1 *1 Jun 198315 Dec 1983Black & Decker IncPercussion drilling machine
DE3634591A1 *10 Oct 198614 Apr 1988Black & Decker IncHammer drill with an air-cushion percussive mechanism
DE3932660A1 *29 Sep 198926 Apr 1990Hitachi Koki KkSchlagbohrmaschine
EP0050192A1 *16 Jul 198128 Apr 1982Robert Bosch GmbhDrill hammer
US5125461 *22 Apr 199130 Jun 1992Black & Decker, Inc.Power tool
US5159986 *18 May 19923 Nov 1992Black & Decker, Inc.Power tool
WO2009083307A1 *3 Nov 20089 Jul 2009Robert Bosch GmbhHand power tool having a gear arrangement comprising at least one pivotably supported intermediate shaft
International ClassificationH02K7/10, F16H37/16, B25D17/08, B23B45/16, B25D16/00, B25D11/12
Cooperative ClassificationH02K7/10, B25D2216/0015, B25D16/00, B25D2211/068, F16H37/16, B25D2216/0023, B25D16/006, B25D2217/0042, B25D17/088
European ClassificationB25D16/00M, B25D16/00, F16H37/16, B25D17/08R4, H02K7/10
Legal Events
6 Sep 1979ODRequest for examination
3 Sep 19818263Opposition against grant of a patent
27 Nov 19868235Patent refused