Windshield wiper arm adjustment connector

Details Windshield wiper arm adjustment connector Windshield wiper arm adjustment connector

1994-10-06

1995-05-09

Scherbel, David A.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525031, 403359, 403 4, 403 93, 74522, B60S 134

Patent

active

054128331

ABSTRACT:
A windshield wiper assembly (18) includes a drive motor (20) linked to a pair of pivot shafts (30), each having a pivot axis (34). Mounted on each pivot shaft (30) is an adjustment connector (38). Each adjustment connector (38) includes a main cylindrical portion (42) concentric with pivot shaft (30), which includes a series of teeth (46), and an arcuate key portion (48) protruding from main cylindrical portion (42) opposite teeth (46). A wiper arm assembly (56), having a wiper arm head (62), installs onto adjustment connector (38). Wiper arm head (62) includes a main cylindrical recess (64) with a series of serrations (66) on its surface, at least one more than there are teeth (46), and a key arcuate recess (68) protruding from main recess (64). The key arcuate recess (68) aligns with key portion (48) during installation causing the center of rotation for orientation of wiper arm head ( 62) relative to adjustment connector (38) to be opposite teeth (46), creating a larger effective radius for adjustment, while maintaining the pivot axis for rotation at pivot axis (34).

REFERENCES:
patent: 2376714 (1945-05-01), Mussen
patent: 2642611 (1953-06-01), Anderson
patent: 2738535 (1956-03-01), Horton
patent: 2856212 (1958-10-01), Sacchini
patent: 2971785 (1961-02-01), Rorh
patent: 3161902 (1964-12-01), Scinta
patent: 3602937 (1971-09-01), Kelley
patent: 4161798 (1979-07-01), Mohnach et al.

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