Wheel substitutes for land vehicles – Endless belt having nonmetallic track or tread – Track formed of endless flexible belt
Patent
1996-06-19
1998-04-21
Mitchell, David M.
Wheel substitutes for land vehicles
Endless belt having nonmetallic track or tread
Track formed of endless flexible belt
305161, 305181, 305 40, B62D 55215
Patent
active
057410526
ABSTRACT:
Endless loops spaced lengthwise of elongated grouser-mounting plates of a tractor endless tread in which each loop includes two side-by-side stretches of wire rope having the interstices between the strands of both wire rope stretches filled with elastomer material, and both stretches of wire rope being embedded in elastomer material integrating the two stretches into a single embedment, the two wire rope loops being secured to the grouser-mounting plates by spaced U-shaped bends of clamping strips bolted to the grouser-mounting plates, and spacer plates bridge between adjacent grouser-mounting plates and make loose tongue-and-groove joints therewith for enabling the grouser-mounting plates and the spacer plates to tilt relatively as the endless tread travels around a tractor wheel, but the straight tread portion of the tread extending between tractor wheels spaced lengthwise of the tractor is substantially inflexible inward.
REFERENCES:
patent: 2326719 (1943-08-01), Myers
patent: 2343239 (1944-03-01), Mayne
patent: 2392988 (1946-01-01), Keck
patent: 2726904 (1955-12-01), Bekker
patent: 2891822 (1959-06-01), McCormick
patent: 3063758 (1962-11-01), Fikse
patent: 3345113 (1967-10-01), Siber
patent: 3536493 (1970-10-01), Chaumont
patent: 3680927 (1972-08-01), Neureuther
patent: 4241956 (1980-12-01), Meisel, Jr.
patent: 5354124 (1994-10-01), James
Beach Robert W.
Mitchell David M.
Yun Jonathan J.
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