Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1984-05-03
1985-07-16
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
B60S 138
Patent
active
045287155
ABSTRACT:
A roll formed wiper blade backing strip is disclosed having a base member with two longitudinal parallel edges. Each longitudinal edge has a roll formed reinforcing edge integral with the base member. The rolled reinforced edge members are connected to and integrally formed with reinforcing members overlying the base member and extending inwardly from each longitudinal edge toward the center line of the base member. Claws are integrally formed with and extend from the reinforcing members to hold the wiper blade. The claws have directly opposed surfaces. The base member, rolled reinforcing edges, reinforcing members and claws are roll formed into an integral unit from a single sheet of deformable material, such as metal.
REFERENCES:
patent: 2667656 (1954-02-01), Oishei
patent: 2713695 (1955-07-01), Oishei
patent: 2760220 (1956-08-01), Deibel
patent: 2781539 (1957-02-01), Oishei
patent: 4342129 (1982-08-01), Thompson
patent: 4473919 (1984-10-01), Fritz, Jr.
Feldman Peter
Superior Roll Forming Co.
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