Motor vehicles – Special driving device – Portable track
Patent
1993-05-06
1994-07-19
Focarino, Margaret A.
Motor vehicles
Special driving device
Portable track
180 926, 305 51, B62D 5504
Patent
active
053300190
ABSTRACT:
A towing vehicle having power-driven entered rear drive wheels. A towed attachment frame with lateral trailing wheels is coupled to the towing vehicle. A continuous belt on each side of the vehicle is trained over a drive wheel and a trailing wheel. A row of cleat structures is secured to the outer surface of a belt. A cleat structure includes a central expanse and elongate extension sections extending outwardly from opposite ends of a central section. Extension sections protrude beyond opposite lateral margins of a belt. A cleat structure includes an element plastic clear body, and spline elements secured by fasteners to a belt clamp against shoulders in a cleat body to hold it in place.
REFERENCES:
patent: D298018 (1988-10-01), Cartwright
patent: 3390924 (1968-07-01), Bumbaugh
patent: 3958839 (1976-05-01), Nodwell
patent: 4328849 (1982-05-01), Dighe et al.
patent: 4351380 (1982-09-01), Pilliod, Jr. et al.
patent: 4635740 (1987-01-01), Krueger et al.
patent: 4938546 (1990-07-01), Simmons
Focarino Margaret A.
II-Tracker, Inc.
Johnson Victor E.
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