×

Attaching device, attaching arrangement and method for attaching an object to be worked to a working base

  • US 9,067,290 B2
  • Filed: 05/25/2011
  • Issued: 06/30/2015
  • Est. Priority Date: 05/25/2010
  • Status: Expired due to Fees
First Claim
Patent Images

1. A magnet, wherein the magnet comprisesa shell and a centre, which are arranged to guide a magnetic flux to a piece to be grabbed, which centre is arranged to be mobile in relation to rest of the magnet, in order to close and open a circuit of the magnetic flux,a permanent magnet for forming a magnetic field and thereby for keeping the centre in connection to the rest of the magnet, andan electric magnet coil arranged at least partly around the centre for partly turning off the magnetic flux provided by the permanent magnet, when necessary,wherein an edge of the shell meant to be in contact with the piece to be grabbed is bevelled to be thinner.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×