Electric heating – Metal heating – Of cylinders
Patent
1978-03-06
1980-03-25
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
219 1073, 198774, H05B 518
Patent
active
041952138
ABSTRACT:
Feeding means for successively advancing elongated workpieces step-by-step, through the central workpiece receiving passage in a multiturn induction heating coil with a workpiece supporting slide track extending therethrough, has an elongated workpiece pusher member extending longitudinally through the passage and provided with workpiece engaging driving lugs spaced therealong. Combined transport and elevating means reciprocate the pusher member axially of the passage between a retracted and an extended position to advance the workpiece into and subsequently out of the heating coil passage and shift the pusher member between two different elevational positions in which its driving lugs are respectively located in the path of travel of the workpiece along the slide track during the advance stroke of the pusher member and out of the path of travel during the return stroke of the pusher member. The transport and elevating means has reciprocable actuating rod means which carries and reciprocates the pusher member and also carries a plurality of pivoted throw arms which pivot between declined and upright positions, at the outset of the advance and return strokes of the actuating rod means, to shift the pusher member between its two different elevational positions.
REFERENCES:
patent: 2684769 (1954-07-01), Wallerius
patent: 3057986 (1962-10-01), Armstrong et al.
patent: 3089687 (1963-05-01), Peck
patent: 3149581 (1964-09-01), Davis
Leung Philip H.
Park-Ohio Industries, Inc.
Reynolds Bruce A.
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