EP 1103350 A3 20011219 - Machine tool with electromagnet for mounting on a ferromagnetic workpiece
Title (en)
Machine tool with electromagnet for mounting on a ferromagnetic workpiece
Title (de)
Werkzeugmaschine mit einem Elektromagneten zur Befestigung an einem ferromagnetischen Werkstück
Title (fr)
Machine-outil avec électro-aimant pour la fixation à une pièce ferromagnétique
Publication
Application
Priority
DE 19956155 A 19991123
Abstract (en)
[origin: EP1103350A2] The machine tool has an electromagnet (30) used for securing a ferromagnetic workpiece and a switching device (S) with at least 2 different switch states, for controlling the electromagnet and a drive device (42) for the machine tool. The electromagnet current is reduced for securing the workpiece when the drive is not operated relative to the currrent used for securing the workpiece when the drive is operated.
IPC 1-7
IPC 8 full level
B23B 45/14 (2006.01); B25H 1/00 (2006.01)
CPC (source: EP)
B25H 1/0071 (2013.01)
Citation (search report)
- [XY] US 3371257 A 19680227 - WARREN WESLEY S, et al
- [X] US 2932194 A 19600412 - BUCK EUGENE W
- [YA] US 5126643 A 19920630 - FRENCH EDWARD M [GB]
- [X] PATENT ABSTRACTS OF JAPAN vol. 007, no. 029 (M - 191) 5 February 1983 (1983-02-05)
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)
EP 1103350 A2 20010530; EP 1103350 A3 20011219; EP 1103350 B1 20090128; DE 19956155 A1 20010531; DE 19956155 B4 20111201; DE 50015540 D1 20090319
DOCDB simple family (application)
EP 00121732 A 20001005; DE 19956155 A 19991123; DE 50015540 T 20001005