Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Work or object holding type
Patent
1990-07-09
1991-07-02
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Work or object holding type
33561, 29568, H01F 704
Patent
active
050289012
ABSTRACT:
The invention is directed to a magazine for an apparatus such as a coordinate measuring apparatus. Measuring probes are held in their magazine locations by magnetic forces. Each magazine location is provided with one or more permanent magnets. The holding force of the permanent magnets is neutralized by an individual electromagnet on that magazine location which is involved in an exchange operation. In this way, the measuring probe being held can be easily removed. The magazine can also be for an apparatus such as a machine tool in which case work tools are held at the magazine locations.
REFERENCES:
patent: 4637119 (1987-01-01), Schneider et al.
patent: 4649623 (1987-03-01), Schneider et al.
"Automatischer Tasterwechsel des Leitz-SIRIO 688" of Ernest Leitz Wetzlar GmbH, Geschaftseinheit Industrielle Messtechnik.
"Messautomat SIRIO 688" of Ernst Leitz Wetzlar GmbH, Geschaftseinheit Industrielle Messtechnik.
"Rundtakttisch fur Messautomat Leitz-SIRIO 688" of Ernst Leitz Wetzlar GmbH, Geschaftseinheit Industrielle Messtechnik.
Enderle Eckhard
Kaufmann Dieter
Carl-Zeiss Stiftung
Harris George
Ottesen Walter
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