Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1988-12-22
1990-08-21
Stinson, Frankie L.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525031, 1525042, B60S 142
Patent
active
049494210
ABSTRACT:
The connector 1 is made in one piece out of a plastic material. It comprises a first portion 1a rigidly secured to the wiper arm extension 5, a second portion 1b rotatably secured at 9, 9a to a wiper blade (not shown) and a resilient intermediate portion 1c. The connector 1 is part of a wiper system wherein it is indispensable that the wiper blade can rotate with respect to the wiper arm extension 5 about an axis substantially perpendicular to the surface to be wiped and passing through the connector.
REFERENCES:
patent: 1694245 (1928-12-01), Baker et al.
patent: 2587168 (1952-02-01), Kessler
patent: 3383731 (1968-05-01), Krohm
patent: 3393421 (1968-07-01), Wise
patent: 3453679 (1969-07-01), Thorlakson
patent: 3461477 (1969-08-01), Ikner
patent: 3621507 (1971-11-01), Allaria et al.
patent: 3837033 (1974-09-01), van den Berg et al.
patent: 4347640 (1982-05-01), Durtnau
Champion Spark Plug Italiana SpA
Stinson Frankie L.
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