H - Electricity – 01 – F
Patent
H - Electricity
01
F
26/112
H01F 41/02 (2006.01) G01R 33/3873 (2006.01)
Patent
CA 2021630
APPARATUS FOR LOCATING PASSIVE SHIM GUIDE RAILS IN MR MAGNETS ABSTRACT OF THE DISCLOSURE An apparatus for installing shim guide rails in an MR magnet is provided including a plurality of beam members, one for every guide rail to be installed. A plurality of coaxial ring shaped members spaced apart from one another are joined together by the beam members. The beam members extend axially and are spaced circumferentially about the outer diameter of the ring shaped members forming a cylindrical open ended cage. Each of the beam members defines a plurality of radially extending spaced apart apertures. A plurality of ladder-life structures each of which is associated with a respective beam member is provided. Each of the ladder-like structures includes two side pieces joined by a plurality of rungs extending between the guide pieces. The rungs pass through the holes in the beam members with one of the side pieces situated inside the cylindrical cage and the other situated outside the cage. The guide rails are detachably mounted to a respective one of the side rails outside the cage, with the side of the guide rail to be mounted to the bore facing radially outwardly. Means for extending the rungs radially outwardly through the holes in the beam members is provided so that the guide rails are forced against the magnet bore.
Benesch Jay F.
Company General Electric
Craig Wilson And Company
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