Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1976-03-31
1977-03-01
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
B60S 104
Patent
active
040095037
ABSTRACT:
A replaceable wiper blade unit to be received within the claws of a windshield wiper blade holder includes a longitudinally hollow backing strip slotted along its bottom for receiving an elastic wiper blade, and having along its opposite sides laterally open channels defined between upper and lower lateral flange, with an especially formed and attached resilient metal clip on an end of the backing strip for fastening it detachably to a set of claws. The clip includes a base portion to underlie an end portion of the strip, two resilient legs extending forwardly from the base portion, each beneath a lower flange, an upturned ridge portion protruding from a forward portion of each leg into a respective channel through an opening in the lower flange, and side structures turned upwardly from opposite side edges of the base portion to provide a finger crimped over and upon each lower flange and a claw abutting finger in each channel. The ridge portion of each leg has a raked backward surface to hold a claw, and the legs have ledge portions along their outer edges for finger engagement to release engaged claws.
REFERENCES:
patent: 3866261 (1975-02-01), Stratton
patent: 3879794 (1975-04-01), Roberts, Jr.
patent: 3885265 (1975-05-01), Deibel et al.
patent: 3919736 (1975-11-01), Bourassa et al.
patent: 3952360 (1976-04-01), Plisky et al.
Dunne Gerard F.
Feldman Peter
Johnston Albert C.
Parker-Hannifin Corporation
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