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1. US20100187735 - Movable pole extension for a magnetic clamping apparatus and magnetic clamping apparatus having such movable pole extension

Office
United States of America
Application Number 12667754
Application Date 29.05.2008
Publication Number 20100187735
Publication Date 29.07.2010
Grant Number 08646763
Grant Date 11.02.2014
Publication Kind B2
IPC
B25B 11/00
BPERFORMING OPERATIONS; TRANSPORTING
25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
11Work holders or positioners not covered by groups B25B1/-B25B9/102
B23Q 3/18
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
3Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine
18for positioning only
B25B 1/22
BPERFORMING OPERATIONS; TRANSPORTING
25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
1Vices
22Arrangements for turning or tilting vices
H01F 7/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
7Magnets
06Electromagnets; Actuators including electromagnets
20without armatures
H01F 7/04
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
7Magnets
02Permanent magnets
04Means for releasing the attractive force
Applicants Cardone Michele
Tecnomagnete S.p.A.
Cosmai Giovanni
Politecnico di Milano
Faranda Roberto
Giglio Antonino
Inventors Cardone Michele
Cosmai Giovanni
Faranda Roberto
Giglio Antonino
Agents Nixon & Vanderhye, P.C.
Title
(EN) Movable pole extension for a magnetic clamping apparatus and magnetic clamping apparatus having such movable pole extension
Abstract
(EN)

The present invention relates to a movable pole extension (4) for a magnetic clamping apparatus (1) for holding a ferromagnetic workpiece (P), comprising a fixed pole member (5) extending in a predetermined longitudinal direction (X-X) and at least two pole members (6, 7) attached to said fixed pole member (5), said at least two pole members (6, 7) being movable relative to said fixed pole member (5). The movable pole extension is characterized in that it has holder means (8) operably coupled to said fixed pole member (5), wherein said holder means (8) are movable in said predetermined longitudinal direction (X-X) between a first operating position (P1) and a second operating position (P2) and operate on said at least two movable pole members (6, 7) to hold them in coupled contact with said fixed pole member (5).