| 摘要 |
<p>ELECTRIC SURFACE HEATER ASSEMBLY A tubular heating element including a convoluted central heat generating portion with offset terminal legs extending from the free ends of the inner and outer convolutions, and a support spider freely underlying, and without direct securement thereto, the central heat generating convoluted portion. The spider includes a central support arm extending diametrically across the convoluted center of the heating element generally aligned between and parallel to the terminal legs of the heating element. The end of the central arm adjacent the legs is laterally directed to form an abutment against which the vertical portion of the outer of the terminal legs engages. The heating element, beyond the convoluted central portion, includes a connector having apertures for receiving the terminal inner and outer legs therethrough. The connector includes a boss affixed thereto surrounding the aperture receiving the inner leg, which boss is crimped to the inner leg for a positive mounting of the connector. The outer leg is freely received through its corresponding aperture, the connector limiting lateral movement of the outer leg relative to the inner leg. Longitudinally inward movement of the outer leg is limited by the abutment defined on the support spider arm. The support spider is assembled to the tubular heating element by a bracket which includes a sleeve about the terminal end portion of the inner leg, and a vertical panel including a lateral offset and a vertical flange which is affixed to the overlying central arm of the spider.</p> |
