A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
132/33, 309/8
A45D 1/04 (2006.01)
Patent
CA 1145805
6D-5247 HAIR STRAIGHTENER AND PTC HEATER ABSTRACT OF THE DISCLOSURE A heated hair straightener is provided with a handle for connecting to an electric source and has a pair of facing clamp housings pivoted for a scissors action on the handle with the housings having facing coverplate surfaces for abutment clamping of hair between them for straightening the hair. This combination is provided with an improvement in a heater components sub-assembly that fits in one of the housings and which is formed of a sandwich arrangement including an aluminum housing coverplate, a copper elongated heater plate to form a first electrode connected to one side of the electric source and insulated from the coverplate by a thin insulating film. Plural PTC heater pellets are aligned on the heater plate and held in position by an insulating locator panel having cutouts for the pellets to fix them on the heater plate. A second electrode, formed as a corrugated stainless steel springplate to cover and abut the PTC pellets, is connected to the other side of the electric source. This is followed by a phenolic or ceramic insulator member that has a recess to accommodate the corrugated springplate and abut one side of it. Suitable alignment structure is provided to orient the heater plate, the pellet locator panel and phenolic insulator member such that all the sandwich components of the entire sub-assembly are fixed against horizontal or vertical movement while permitting flexing of the corrugated electrode and good biasing of the pellets against the electrodes.
330876
Company General Electric
Eckersley Raymond A.
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