Geometrical instruments – Scriber
Patent
1985-07-31
1986-11-11
Stearns, Richard R.
Geometrical instruments
Scriber
33 1SB, B43L 1300
Patent
active
046214291
ABSTRACT:
A vehicle simulating frame assembly is supported on a track recording surface by pairs of non-dirigible tractor wheels spaced laterally outward of track marking devices plotting parallel spaced track lines on the surface in response to wheeled movement of the frame assembly along a path recorded as a center guide line equally spaced between the track lines. The frame assembly is steered along the path by a dirigible guide wheel aligned with said center guide line and angularly displaceable by means of a steering spindle between angular limits corresponding to the maximum steering cramp angle of the vehicle being simulated.
REFERENCES:
patent: 2028622 (1936-01-01), Phelps
patent: 2179663 (1939-11-01), Link, Jr.
patent: 2528573 (1950-11-01), Beugler
patent: 2751273 (1956-06-01), Rankin
patent: 3726019 (1973-04-01), Adler
patent: 4485555 (1984-12-01), May et al.
patent: 4528754 (1985-07-01), Houldsworth
Jacobson Harvey B.
Stearns Richard R.
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