Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1993-12-23
1996-02-06
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525048, 1525041, 219202, B60S 138
Patent
active
054887526
ABSTRACT:
A heat conducting apparatus for wiper blades including a wiper arm assembly and a wiper blade which can be removably attached to the wiper arm assembly by means of a mounting member operably interacting with a plurality of blade retaining members. Integrally formed within the body of the wiper blade is an internal conduit substantially extending the linear length of the wiper blade from a first end to a second end thereof. Housed within the internal periphery of the internal conduit and extending therethrough is an electrical resistant heating element. Preferably, the heating element is rotatably wound in a plurality of cylindrical coils to provide sufficient electrical resistance without requiring heavy insulation or resistors to monitor the heat output temperature of the heating element. Suspended within a uniform "heating space" formed within the internal conduit, the heating element is connected at both ends of the internal conduit of the wiper blade to an electrical connecting means which can provide and electrical current to the heating element to generate a heat output. When the heating conducting apparatus of the present invention is activated, the heating element provides a continuous heat output temperature of between approximately 26.degree. C. and 38.degree. C., to maintain the flexibility of the wiper blade and to remove and/or prevent snow and/or ice from accumulating thereon.
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Broadbent Berne S.
Graham Gary K.
Pierce Gary D. E.
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