Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1988-07-13
1989-09-12
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
B60S 132
Patent
active
048646784
ABSTRACT:
A flexible windscreen wiper arm (1) of unitary construction, having means (2, 3) at one end of the arm for attachment to a wiper blade, and means (6) at the other to engage a rotary driving spindle (8). Between the two ends of the arm is a region (12) capable of toggle action between two opposite and stable positions. When the socket (6) is in place over the spindle (8) and the toggle region is in one stable position, the socket grips the spindle and the blade will be angled so as to press the blade against a windscreen. In the other extreme position of the toggle, the arm is angled to lift the blade clear of the windscreen and the grip of the socket on the spindle is released, allowing removal of arm and blade from the spindle.
REFERENCES:
patent: 2613385 (1952-10-01), Wylie
patent: 3387316 (1968-06-01), Pearse
patent: 3480985 (1969-12-01), Forster
patent: 4318201 (1982-03-01), Rogers et al.
Feldman Peter
National Research Development Corporation
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