ONE-PIECE MULTIPOLE PLATE FOR A MAGNETIC HOLDING APPARATUS, PROCESS FOR MAKING SUCH PLATE AND MAGNETIC APPARATUS USING SUCH PLATE
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Accused Products
Abstract
The present invention relates to a one-piece multipole plate for a magnetic clamping apparatus, a process for making such plate and a magnetic apparatus having such plate, wherein the magnetic apparatus has a plurality of pole pieces and said plurality of pole pieces extend from said plate and are formed of one piece with said plate.
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Citations
37 Claims
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1-22. -22. (canceled)
- 23. A magnetic holding apparatus for holding ferrous workpieces, comprising a frame (2) adapted to contain a plurality of pole pieces (13), each of said plurality of pole pieces (13) having a ferromagnetic pole member which defines the holding surface part (13A), a solenoid (3) located around a reversible magnet (4) and a plate (11), said plurality of pole pieces (13) extend from said plate (11) and are formed of one piece with said plate (13), wherein said plate (11) is associated with the frame (2) in a plate position so as to define a holding surface (12A) of said apparatus (12) in which the pole pieces (13) are not visible.
- 32. A plate (11) for a magnetic clamping apparatus (12), said apparatus (12) having a plurality of pole pieces (13), said plurality of pole pieces (13) extend from said plate (11) and are formed of one piece with said plate (13) said plate (11) comprises a plurality of grooves (15, 18) which are adapted to define the periphery of each of said plurality of pole pieces (13) and to form a connecting portion (11A) for connection of said plurality of pole pieces (13) to each other wherein said plurality of pole pieces have a circular plan section, said grooves (15, 18) being circumferential grooves, whose center (C) is at the center of each pole piece (13).
Specification