Handgrip with built-in heater having chamfered surface

Details Handgrip with built-in heater having chamfered surface Handgrip with built-in heater having chamfered surface

1995-07-13

1997-05-06

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

219535, 219544, 219549, 745519, B60L 102, B62K 2126

Patent

active

056267800

ABSTRACT:
A handgrip with a built-in heater for a motorcycle constituted by a hollow cylindrical handgrip body, wherein a flexible printed circuit heater is wound around an outer periphery of a synthetic resin inner piece of a substantially hollow cylindrical shape with a hollow cylindrical or peripheral portion slotted, and a cladding rubber layer is integrally molded thereon to cause the heater to extend between the inner piece and the cladding rubber layer. The heater is wound over a range covering a half circumference or more but less than a full circumference of the inner piece. The cladding rubber layer is molded in such a form that a region where the heater is not wound faces parting positions of mold halves for forming the cladding rubber layer so as to prevent the occurrence of turn-ups and creases. In addition, an outer peripheral portion of the inner piece facing the parting positions is chamfered, whereby the thickness of the cladding rubber layer at a chamfered portion is made large to force any crease which occurs to be formed in the chamfered portion of the heater.

REFERENCES:
patent: 1830221 (1931-11-01), Blue
patent: 4281238 (1981-07-01), Noma et al.
patent: 4471209 (1984-09-01), Hollander
patent: 4549069 (1985-10-01), Oge
patent: 4752670 (1988-06-01), Traub et al.
patent: 4937429 (1990-06-01), Hollander
patent: 4964192 (1990-10-01), Marui
patent: 4990753 (1991-02-01), Hollander

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