Space crank wiper system with adjustable wipe pattern

Details Space crank wiper system with adjustable wipe pattern Space crank wiper system with adjustable wipe pattern

1992-09-28

1993-07-13

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525014, 1525027, 1525030, 74833, 74 48, B60S 118, B60S 106

Patent

active

052262006

ABSTRACT:
An adjustment mechanism uniquely tailored to a space crank wiper system is used to adjust the wipe angle, specifically to lower the inwipe to give a depressed park position. The characteristic spacing of a four bar spatial mechanism that drives the wiper post is shortened by a jack screw mechanism that shifts an input crank closer to the wiper post. This lowers the inwipe position. A worm wheel selectively holds or turns the jackscrew, which axially moves a splined stub shaft in the end of a drive shaft to move the crank back and forth.

REFERENCES:
patent: 2173447 (1939-09-01), Horton
patent: 2393193 (1946-01-01), Sacchini
patent: 2494538 (1950-01-01), Baldo
patent: 3110920 (1963-11-01), Dangler
patent: 3282120 (1966-11-01), Compton
patent: 4358869 (1982-11-01), Frankus
patent: 4791698 (1988-12-01), Murata
patent: 4934014 (1990-06-01), Yamamoto

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