Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1988-03-02
1989-01-03
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525032, B60S 104
Patent
active
047946644
ABSTRACT:
A wiperblade comprising at least two yokes with one end of one yoke is connected pivotally to intermediate portion of the other yoke. The one end of the one yoke is formed to have a pair of walls defining therebetween a recess, and the intermediate portion of the other yoke is formed to have projecting portion adapted to be received in the recess. The walls and the projecting portion slidingly engage with each other along vertical side surfaces and along arcuate end surfaces of the recess and the projecting portion. Projections and cutouts are provided respectively on the walls and recess to retain the connected condition.
REFERENCES:
patent: 3942212 (1976-03-01), Steger et al.
patent: 4137598 (1979-02-01), Sharp
patent: 4422207 (1983-12-01), Maiocco et al.
patent: 4438543 (1984-03-01), Noguchi et al.
patent: 4675934 (1987-06-01), Dal Palu
Feldman Peter
Nippon Wiper Blade Co., Ltd.
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