Motor vehicles – Special driving device – Portable track
Patent
1974-08-15
1976-03-16
Goodman, Philip
Motor vehicles
Special driving device
Portable track
305 57, B62D 5512
Patent
active
039440060
ABSTRACT:
Disclosed herein is an inexpensive and mechanically efficient endless track formed from belts of flexible material and supported for movement in parallel spaced relation by a plurality of transverse traction bars or cleats including drive lugs which are located in the spacing between adjacent belts and which, preferably, are formed from a non-metallic material. The drive lugs are received between and drivingly engaged by drive elements or sprocket teeth on a drive wheel aligned with the spacing. The outer radial extremity of the drive elements or sprocket teeth does not extend beyond the inner surfaces of the belts.
REFERENCES:
patent: 3250577 (1966-05-01), Olson
patent: 3558198 (1971-01-01), Tomita
patent: 3703321 (1972-11-01), Schoonover
patent: 3777832 (1973-12-01), Merenheimo
Carroll John A.
Goodman Philip
Outboard Marine Corporation
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