Windscreen wiper with elongated, curved backbone

Details Windscreen wiper with elongated, curved backbone Windscreen wiper with elongated, curved backbone

1993-10-19

1996-01-23

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525048, 15250361, B60S 138

Patent

active

054856507

ABSTRACT:
A windscreen wiper includes an elongate curved backbone which is of a resiliently flexible material and which has a connecting formation at a position intermediate its length for connection to a displacing and force applying member. The backbone has a free-form curved profile in a plane, thereby to define a transverse axis perpendicular to the plane. The backbone further has a suitably varying transverse cross-sectional profile along its length such that if it is clamped at its connecting formation and a test force of 1N applied at a tip in a direction that is parallel to the transverse axis, the tip is displaced less than 1.0 mm.

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