MOVABLE POLE EXTENSION FOR A MAGNETIC CLAMPING APPARATUS AND MAGNETIC CLAMPING APPARATUS HAVING SUCH MOVABLE POLE EXTENSION
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Accused Products
Abstract
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).
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Citations
39 Claims
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1-20. -20. (canceled)
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21. A movable pole extension for a magnetic clamping apparatus (1) for holding a ferromagnetic workpiece (P), comprising:
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a fixed pole member (5) extending in a predetermined longitudinal direction (X-X) and at least two pole members (6, 7) coupled to said fixed pole member (5), said at least two pole members (6, 7) being movable relative to said fixed pole member (5), characterized in that it comprises 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 mating contact with said fixed pole member (5). - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38)
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31. A movable pole extension as claimed in claim 130 wherein said elastic means (17) include at least one spring interposed between said at least two movable pole members (6, 7) and said fixed pole member (5).
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39. A magnetic clamping apparatus comprising a frame adapted to contain a plurality of pole pieces, each of said plurality of pole pieces having a ferromagnetic pole member which defines a clamping surface, characterized in that at least one of said plurality of pole pieces is designed to be associated to a movable pole extension (4), said movable pole extension (4) comprising:
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a fixed pole member (5) extending in a predetermined longitudinal direction (X-X) and at least two pole members (6, 7) coupled to said fixed pole member (5), said at least two pole members (6, 7) being movable relative to said fixed pole member (5), wherein said 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 mating contact with said fixed pole member (5).
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Specification