Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1980-07-21
1982-04-20
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
B60S 138
Patent
active
043251609
ABSTRACT:
A windshield wiper is provided which comprises a slotted metal backing or mounting strip and an extruded blade of rubber or rubber-like material formed with a main body mounting portion and a generally triangular wiping portion, the body portion having a first pair of complimentary longitudinal side grooves for engagement by the backing or mounting strip and a similar second pair of grooves parallel to the first pair forming a thin section adjoining the generally triangular wiping portion of the blade, and a longitudinally extending heater wire adapted to be energized electrically embedded in the wider section of the generally triangular wiping section in proximity to the neutral or elastic axis of the blade whereby torsional restraint is minimized. A parting agent or lubricant may be used between the wire and rubber material to minimize frictional engagement therebetween and, if desired, two of the blades may be used in tandem by mounting them in a backing or mounting strip having a pair of elongated slots for mounting the blades in parallel, side-by-side relationship.
REFERENCES:
patent: 2902754 (1959-09-01), Lorenian
patent: 2966692 (1961-01-01), Zaiger
patent: 3121133 (1964-02-01), Mathues
patent: 3372421 (1968-03-01), Meltzer
patent: 3409930 (1968-11-01), Linker
patent: 3587129 (1971-06-01), Linker
patent: 3639938 (1972-02-01), Golden
patent: 3718940 (1973-03-01), Bode
patent: 4000362 (1976-12-01), Kawaguchi et al.
Auto Parts Mfg. Inc.
Feldman Peter
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