Screen wiper arm, especially for a motor vehicle

Details Screen wiper arm, especially for a motor vehicle Screen wiper arm, especially for a motor vehicle

1997-03-27

1998-03-24

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

15250352, 403 11, 403 12, 403 21, B60S 134, B60S 132

Patent

active

057298602

ABSTRACT:
A screen wiper for a motor vehicle comprises a casing articulated on a head, which is secured by means of a prefitted nut on to the threaded terminal shank of the wiper drive spindle. The head has an aperture through which the threaded shank passes, and a circular base or washer portion is fixed to the nut. Around the aperture there is arranged a set of upstanding retaining lugs which extend parallel to the axis of the aperture, and which grip the base of the nut in such a way as to retain the nut centered on the aperture, but without preventing it from being able to rotate while being tightened on to the threaded shank.

REFERENCES:
patent: 2885230 (1959-05-01), Terpin
patent: 3419299 (1968-12-01), Oishei

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