Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1994-05-16
1996-10-01
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525031, B60S 140
Patent
active
055600727
ABSTRACT:
A screen wiper apparatus, especially for motor vehicles, is of the type comprising a screen wiper arm and a wiper blade secured removably to one end of the arm by means of a coupling piece. The coupling piece has a recess for accommodating the wiper arm, together with articulating means which cooperate with complementary hook means on the wiper blade. The coupling piece is resiliently deformable so that it can be fitted between the side portions of the middle part of the main yoke of the blade. The coupling piece comprises two resiliently deformable side walls which are joined together by a bridge element on the same side as the engagement of the coupling piece with the wiper arm, the side walls being joined together on the opposite side by a transverse wall. A projection for cooperation with the hook on the wiper arm is provided on the internal surface of each side wall of the coupling piece, while on the external surface of each of these walls there is a further projection for cooperation with the wiper blade.
REFERENCES:
patent: 3416180 (1968-12-01), Deutscher et al.
patent: 3757377 (1973-09-01), Hayward
patent: 3942212 (1976-03-01), Steger et al.
patent: 4446589 (1984-05-01), Maiocco
Graham Gary K.
Valeo Systemes D'Essuyage
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