Wiper arm assembly

Details Wiper arm assembly Wiper arm assembly

1986-03-06

1988-01-05

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 134

Patent

active

047166126

ABSTRACT:
A primary wiper arm includes a mounting head for securing the inner end to a pivot shaft, the outer end being pivotally secured to a pivot block. A drag link includes a ring bearing and a disk journaled in the ring bearing having mating spherical concave and convex surfaces respectively. This disk is mounted at the pivot shaft bearing housing eccentrially to the logitudinal axis of the pivot shaft. At its outer end the drag link is connected to the pivot block at a point spaced from the connection between the primary arm and the pivot block. A connector is provided for securing the blade to the pivot block. The arrangement effects relative angular movement between blade and arm assembly and permits gyrating movement of the drag link.

REFERENCES:
patent: 2079399 (1937-05-01), Drew et al.
patent: 2483242 (1949-09-01), Smulski
patent: 2537411 (1951-01-01), Klinger
patent: 3010137 (1961-11-01), Krohm
patent: 3035296 (1962-05-01), Deibel
patent: 3404423 (1968-10-01), Howard et al.

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