Claims
- 1. An electric heater comprising an elongate structural member and an insulator means for supporting a heater coil, wherein said insulator means comprises an integral elongate element having at least one notch therein adapted to support said heater coil by engaging at least one individual convolution thereof, said insulator having groove means in an exterior surface engaging said structural member, said structural member comprising an elongate rod at least partially encircling said insulator means and recieve in said groove means to support said insulator means.
- 2. An electric heater in accordance with claim 1 wherein said at least one notch comprises respective notches located on opposed ends of said elongate element and said groove means is located between said opposed ends.
- 3. An electric heater in accordance with claim 1 wherein said groove means comprises two grooves on oppositely directed portions of said exterior surface.
- 4. An electric heater according to claim 1 wherein said at least one notch is located at an end of said insulator means and said groove means is spaced from said notch in a direction transverse to a helical axis of said heater coil.
- 5. An electric heater according to claim 4 wherein said elongate rod comprises two rod sections, each of said sections having an open bend therein for receiving said insulator means and said sections being bonded together with said open bends of said sections opposite each other to substantially completely encircle said insulator means.
- 6. An electric heater according to claim 4 wherein said elongate rod substantially completely encircles said insulator means.
Parent Case Info
This is a continuation of U.S. application Ser. No. 597,701 filed Apr. 6, 1984 and now U.S. Pat. No. 4,559,412 issued Dec. 17, 1985, which is a division of U.S. application Ser. No. 206,899 filed Nov. 14, 1980 and now U.S. Pat. No. 4,458,141 issued July 3, 1984.
US Referenced Citations (18)
Foreign Referenced Citations (5)
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Divisions (1)
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Date |
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Parent |
206899 |
Nov 1980 |
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Continuations (1)
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Date |
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597701 |
Apr 1984 |
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