Global Patent Index - EP 1075905 A2

EP 1075905 A2 2001-02-14 - Hand-held electrical hammer

Title (en)

Hand-held electrical hammer

Title (de)

Handgeführter elektrischer Kombihammer

Title (fr)

Marteau electrique à main

Publication

EP 1075905 A2 (DE)

Application

EP 00810525 A

Priority

DE 19937767 A

Abstract (en)

The combi-hammer has an actuating element (17) for an electrical on/off switch in its handle operated against a bias force, a changeover device (4) for changing between drilling and chiselling mode and a locking arrangement (5-22) for the actuating element in its on position activated by the changeover device when chiselling mode is selected. A locking switch (15) fixes the actuating element in its on position in one switch position when chiselling mode is selected and deactivates the locking device in another switch position in which the actuating element springs back into the off position under the bias force when released by the user.

Abstract (de)

Der handgeführte elektrische Kombihammer für wahlweisen Einsatz als Bohr- oder Meißelhammer ist mit einer Umschalteinrichtung (3, 4) für die eine oder andere Betriebsart versehen, die gleichzeitig eine Arretiervorrichtung (5 - 22) für das Betätigungselement (17) eines EIN-/AUS-Schalters in dessen EIN-Schaltposition zu fixieren gestattet, wenn der Gerätebenutzer den Meißelbetrieb wählt. Die Arretiervorrichtung wirkt mit einem Arretierschalter (15) zusammen, durch den es möglich ist, bei Wahl des Meißelbetriebs vor oder nach dem Einschalten des Antriebs die Arretierung des Betätigungselements (17) in der EIN-Schaltposition, also auf Dauerbetrieb, zu fixieren, während bei Bohrbetrieb das Betätigungselement (17) bei Freigabe durch den Benutzer immer in die AUS-Schaltposition zurückspringt. <IMAGE>

IPC 1-7 (main, further and additional classification)

B25D 16/00

IPC 8 full level (invention and additional information)

B23B 45/16 (2006.01); B25D 11/10 (2006.01); B25D 16/00 (2006.01); H01H 9/06 (2006.01)

CPC (invention and additional information)

B25D 16/006 (2013.01); H01H 9/06 (2013.01); B25D 2250/261 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1075905 A2 20010214; EP 1075905 A3 20011121; EP 1075905 B1 20071010; AT 375229 T 20071015; CN 1156355 C 20040707; CN 1283537 A 20010214; DE 19937767 A1 20010222; DE 19937767 B4 20040909; DE 50014702 D1 20071122; ES 2292421 T3 20080316; JP 2001062756 A 20010313; JP 4729159 B2 20110720; KR 20010049832 A 20010615; US 2003121678 A1 20030703; US 6550545 B1 20030422; US 7044234 B2 20060516

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