H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/21
H05B 6/10 (2006.01) C21D 9/30 (2006.01) H05B 6/02 (2006.01)
Patent
CA 1098180
DEVICE FOR INDUCTIVELY HEATING CYLINDRICAL SURFACES Abstract of the Disclosure A device for inductively heating a cylindrical metal surface on an elongated workpiece having a central rotational axis, wherein the cylindrical surface is generally concentric with the axis. The device comprises an inductor having a generally cylindrical coupling surface matching the metal surface, a main support frame for carrying the inductor, a hydraulic cylinder for moving the main support frame between a first position where the inductor is substantially spaced from the cylindrical metal surface and a second position where the inductor is in its heating position, and an intermediate sub-frame for mounting the inductor onto the support frame. The intermediate sub-frame comprises a first link having first and second ends, the first end being pinned on the main support frame for pivotal movement about an axis generally parallel to the central axis, a second link pinned to the first link enabling oscillation about an axis above and generally parallel to the central axis, and the inductor mechanically fastened on the second link. The inductor is energized when it is in the heating position with respect to the workpiece.
295444
Gowling Lafleur Henderson Llp
Park-Ohio Industries Inc.
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