Universal wiper refill

Details Universal wiper refill Universal wiper refill

1977-01-17

1978-11-28

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

B60S 104

Patent

active

041269110

ABSTRACT:
A wiper blade is comprised of a superstructure for applying pressure to a backing strip which carries a resilient wiping element in contact with a surface to be wiped. The backing strip has projections which engage with the superstructure in such a way that pressure from the superstructure is transmitted through the projections to the backing strip and on through to the wiping element.

REFERENCES:
patent: 2924840 (1960-02-01), Anderson
patent: 3099031 (1963-07-01), Ludwig
patent: 3140501 (1964-07-01), MacPherson
patent: 3421175 (1969-01-01), Roberts
patent: 3818536 (1974-06-01), Plisky
patent: 3855664 (1974-12-01), Wubbe
patent: 3952360 (1976-04-01), Plisky et al.
patent: 4025983 (1977-05-01), Schlegel

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