US Patent: 1,679,934
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| Geometric Instrument
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Patentee:
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| John F. Duby (exact or similar names) - Dorchester, Norfolk County, MA |
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Patent Dates:
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| Applied: |
Oct. 06, 1925 |
| Granted: |
Aug. 07, 1928 |
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Patent Pictures:
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Description: |
| Abstract:
This invention relates to geometric instruments, and is more especially concerned with a novel method of and means for measuring the inclination of the axis of the kingpin of the steering-gear of a land vehicle, such as a motor vehicle.
Claim:
Instrumentalities for measuring the angularity of the axis of the steering gear kingpin of a land vehicle with reference to a floor or other body having a plane sur-face, comprising in combination, a pointer, means for securing said pointer to the steering knuckle whereby said pointer may be moved with said steering knuckle in an arc about the axis of the king-pin, and means for utilizing the plane of said arc to ascertain the angular position of the axis of said kingpin with reference to said surface. |
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