Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1995-12-08
1996-07-30
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525002, 1525006, 1525048, 219202, B60S 146, B60S 138
Patent
active
055399517
ABSTRACT:
This invention relates to a new and useful improvement in a wiper for use on the windshields of vehicles, such as automobiles, trucks, trains, boats, airplanes and the like, and more particularly to improvements in a windshield wiper which is electrically heated so as to prevent the accumulation of ice, sleet or snow on the wiper blade. A spiral coiled heating element of resistance wire and a fluid dispensing arrangement for dispensing heated fluid are disposed substantially within the entire length of the passageway of the wiper blade. Tubes of electrical conductive material enter the passageway at the first and second passageway ends thus providing a means for both heat and/or fluid conveyance and an entrance and exits for the current and fluid. The ends are then sealed with a moisture proof sealant which also serves to maintain stability of end connections. The heating arrangement is connected to the vehicle battery to heat the heating element and fluid contained inside the blade passageway allowing the entire outer circumference of the wiper body and the wiping surfaces to melt ice surrounding the wiper and ice present on the windshield. Therefore the fluid is prevented from freeze-up and spray nozzle remains operable. The reciprocating spray nozzle is designed to spray ahead of wiper in both upward and downward movement. If desired the fluid dispensing arrangement can be used without heating the fluid.
REFERENCES:
patent: 3418676 (1968-12-01), Byczkowski et al.
patent: 3716886 (1973-02-01), Klomp
patent: 3936901 (1976-02-01), Theckston
patent: 5065471 (1991-11-01), Laplante
patent: 5426814 (1995-06-01), Minnick
patent: 5488752 (1996-02-01), Randolph
Guell Ronald R.
Guell Susan K.
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