Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1989-06-12
1992-01-14
Simone, Timothy F.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
B60S 104, B60S 128
Patent
active
050797948
ABSTRACT:
A vehicle window cleaning arrangement includes a wiper arm (5) which is pivotally mounted at one end thereof and connected to a drive mechanism (6). The arm carries a first and a second wiper blade (7 and 9), of which the second blade is pivotally journaled on the outer end of the wiper arm. A pair of linkage arms (11, 12) are pivotally journaled on the drive mechanism housing (3) and on the second blade and are operative in holding the second blade (9) horizontal irrespective of the pivotal angle of the arm.
REFERENCES:
patent: 1266919 (1918-05-01), Clifford
patent: 2144454 (1939-01-01), Folberth et al.
patent: 2644187 (1953-07-01), Lacy
patent: 2787018 (1957-04-01), Smith
patent: 2795003 (1957-06-01), Fiske
patent: 3551938 (1971-01-01), Yonke
patent: 4912802 (1990-04-01), Raymond
AB Volvo
Graham Gary K.
Simone Timothy F.
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