Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1987-02-17
1988-09-06
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525026, 318468, 318282, 318DIG2, B60S 126
Patent
active
047682574
ABSTRACT:
A vehicle windshield wiper, whereby a blade is supported on a lever member hinged to a fixed support and designed to swing about a pin by virtue of a linear actuator, an output member of which consists at least partially of a screw connected to an electric motor having a hollow shaft, by means of a circirculating-ball screw-nut screw coupling, and extending through the motor itself.
REFERENCES:
patent: 1584821 (1926-05-01), Sparks
patent: 2446393 (1948-08-01), Russell
patent: 3145407 (1964-08-01), Page et al.
Feldman Peter
Roltra S.p.A.
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