Surface heating element support spider

Details Surface heating element support spider Surface heating element support spider

1986-08-29

1987-12-01

Goldberg, Howard N.

Metal deforming

Process

Deforming sheet metal

29150, 29400M, 29400D, 72337, 219458, B21C 3702, B23P 1300

Patent

active

047095733

ABSTRACT:
A support spider for a surface heating element is formed from a single piece of sheet material by first cutting a blank defining three legs. Two of the legs extend oppositely along a common longitudinal extent, while the third leg extends parallel to one of the first and second legs and is connected thereto by a web of material forming an integral hinge. The third leg is first folded about the integral hinge so as to be substantially adjacent to, overlying, and coextensive with one of the first and second legs, and the two adjacent legs then spread apart so that a symmetrical three-leg spider is formed.

REFERENCES:
patent: 143656 (1873-10-01), Barney
patent: 2271977 (1942-02-01), Hjelmgren
patent: 2877334 (1959-03-01), McOrlly et al.
patent: 3067506 (1962-12-01), Grant et al.
patent: 3072775 (1963-01-01), Ammerman et al.
patent: 3133181 (1964-05-01), Hanson
patent: 3162755 (1964-12-01), Hanson
patent: 3192361 (1965-06-01), Post et al.
patent: 3586826 (1971-06-01), Dills
patent: 3749883 (1973-07-01), Vodvarka et al.
patent: 4189633 (1980-02-01), Skinner

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