Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1990-03-06
1990-08-21
Hornsby, Harvey C.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525023, 1525021, B60S 120
Patent
active
049494201
ABSTRACT:
This windshield wiper includes: a crank member which is adapted to be driven relative to a body in an alternating rotational movement by means of a motor spindle; at least one windshield wiper arm which is mounted in the crank member with a facility for sliding therein in a radial direction; and control means for producing the sliding movements of the arm, the control means comprising at least one flexible band which is adapted to control the said sliding movement in one direction, together with return means for ensuring that the arm slides in the opposite direction. The flexible band describes, within the crank member, a sinuous path over rotatable pulleys which are spaced apart in a direction substantially parallel to the arm, with one end of the flexible band being connected to a fixed point on the crank member while, at its other end, the flexible band is connected to the windshield wiper arm. At least one of the pulleys is mounted on an axis which is displaceable in a transverse direction with respect to the arm.
REFERENCES:
patent: 2629891 (1953-03-01), Greene
patent: 4815159 (1989-03-01), Kuhbach
Graham Gary K.
Hornsby Harvey C.
Valeo Systemes D'Essuyage
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