US Patent: 3,983,595
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Arcuate Scraper for Concave Surfaces
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Patentees:
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Raymond G. Knudsen (exact or similar names) - Kenosha, WI |
Steven R. Wente (exact or similar names) - Kenosha, WI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Dec. 08, 1975 |
Granted: |
Oct. 05, 1976 |
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Stan Schulz Snap-On Tools Company History
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Description: |
Edward U. Dithmar. - patent attorney
Abstract
An arcuate scraper for concave surfaces, such as the inside surface of many automobile windshields, having an elongated handle with a forward end portion arcuate in transverse cross section, a scraping blade disposed transversally on the concave surface of the forward end of portion, a longitudinally movable slider connected with the blade for extending and retracting the scraping edge thereof with respect to the forward end of the handle and a tiltable keeper operatively related to the slider for locking same and the blade alternatively in blade-extended and blade-retracted positions.
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