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US 5,392,488 AGranted
Rotatable windshield wiper having a dual blade assembly
OwnerChiu-Chieh Liinventor
Life of this patent
Estimating the term…
Abstract
A windshield wiper for automobiles, comprising a mechanical arm, a holder fixed with the mechanical arm and holding a blade clamp, which then separably connects with a blade with two wiping portions to contact the surface of a windshield for wiping the surface of the windshield when the mechanical arm is swung right and left, and the clamp being possible to rotate relative to the holder.
Claims8
A windshield wiper for automobiles comprising:
- an elongate arm having a plurality of locating seats, each seat provided with a T-shaped groove receiving an elongate holder;
- the elongate holder having a commensurately shaped upper portion which fits into the T-shaped groove of the locating seats and a lengthwise cylindrical groove located below said upper portion engaging with an elongate blade clamp;
- the elongate blade clamp having a lengthwise tubular portion rotatably engaging in said lengthwise cylindrical groove of said elongate holder and two shoulders extending horizontally from said tubular portion at each side of the elongate blade clamp defining a second T-shaped groove below said lengthwise tubular portion such that said second T-shaped groove and said lengthwise tubular portion together provide a wiper blade receiving means;
- and
- an elongate wiper blade having an upper cylindrical portion which at least fits into said wiper blade receiving means and two wiping portions extending down from the upper cylindrical portion to contact the surface of a windshield.
2 more elements
Dependencies are inferred from the claim text.