The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 2025

Filed:

Apr. 01, 2021
Applicant:

C. & E. Fein Gmbh, Schwaebisch Gmuend-Bargau, DE;

Inventors:

Sergej Denzel, Schwaebisch Gmuend, DE;

Stefan Scherrenbacher, Waldstetten, DE;

Assignee:

C. & E. FEIN GMBH, Schwaebisch Gmuend-Bargau, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/154 (2006.01); B25H 1/00 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/1543 (2013.01); B25H 1/0071 (2013.01); B23B 2260/10 (2013.01); Y10T 408/554 (2015.01);
Abstract

A magnetic base for an electric power tool, in particular for a magnetic core drilling machine. The magnetic base having a base body, in which at least one first solenoid coil forming an electromagnet is accommodated in a receiving space, whose magnetic force is switchable between a maximum resulting holding force and a minimum resulting holding force. A first side that is adapted to be coupled with the electric power tool. An oppositely situated second side, which is adapted to be placed on a workpiece to be processed. The receiving space is designed such that an insertion of the at least one solenoid coil into the receiving space is possible only from the first side.


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