Wiper blade with embedded heating element

Details Wiper blade with embedded heating element Wiper blade with embedded heating element

1974-09-17

1976-02-10

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525006, B60S 146

Patent

active

039369013

ABSTRACT:
A heated windshield wiper assembly having a heat resistant flexible blade element provided with an electrical heating arrangement disposed in a cavity of the blade element. The heating arrangement includes a resistance element encased in the blade element for heating water fed into the cavity and out holes in the blade element onto an associated windshield. The resistance element is advantageously a wire arranged in a folded non-conductive tubular member encased in the blade element. A non-conductive coil encircling the tubular member for holding same in a folded condition so that the tubular member will uniformly distribute heat transferred to the tubular member from the resistance wire.

REFERENCES:
patent: 2069699 (1937-02-01), Dohler
patent: 2354440 (1944-07-01), Brown
patent: 2755499 (1956-07-01), Mays
patent: 2865040 (1958-12-01), Hamm
patent: 3249959 (1966-05-01), Theckston
patent: 3372421 (1968-03-01), Meltzer
patent: 3427675 (1969-02-01), Tibbet
patent: 3523626 (1970-08-01), Racine et al.
patent: 3574881 (1971-04-01), Temple

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