US Patent: 4,168,909
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| Optical Toe Gauge with Angled Screens for Vehicle Wheels
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Patentees:
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| Raymond G. Knudsen, estate of (deceased) (exact or similar names) - Kenosha, WI |
| James W. Nelson (exact or similar names) - Union Grove, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 10, 1977 |
| Granted: |
Sep. 25, 1979 |
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Stan Schulz
Snap-On Tools Company History
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Description: |
| Vogel, Dithmar, Stotland, Stratman & Levy - patent attorneys
E. M. MIller, executor of Mr. Knudsen's estate.
Abstract
An optical toe gauge for measuring the toe-in and toe-out of vehicle wheels includes a pair of support arms respectively mounted from the wheel hubs and carrying light beam projector assemblies at the forward ends thereof so that the direction of each beam is dependent upon the toe of the associated wheel. Each arm also carries therebelow a screen on which is projected the beam from the opposite projector, each screen being disposed at approximately a 45.degree. angle to the corresponding wheel axis and facing inwardly between the wheels, each screen having toe increment lines thereon with enlarged spacing therebetween to facilitate reading of the toe measurement on the screen.
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