Motor vehicles – Special driving device – Portable track
Patent
1974-01-23
1976-02-17
Goodman, Philip
Motor vehicles
Special driving device
Portable track
280101, B62D 1120
Patent
active
039386074
ABSTRACT:
A vehicle steering apparatus for a vehicle which has an endless track guided around front and rear rolls. When executing turns substantially larger than the minimum radius of turning of the vehicle, at least the front roll together with the front end of the track are turned to provide for relatively large turns where the rate of turning at the front of the vehicle is greater than the rate of turning at the rear thereof. The front and rear rolls are supported for swivelling movement about substantially upright axes and in one construction of the invention a transmission is connected between the supports for the front and rear rolls to bring about turning of the rear roll and the rear end of the track therewith only after the front roll and the front end of the track therewith have turned through a given angle.
REFERENCES:
patent: 502419 (1893-08-01), Lenarz
patent: 689314 (1901-12-01), Koon
patent: 1295093 (1919-02-01), Healy
patent: 2151287 (1939-03-01), Bleichert
patent: 2356528 (1944-08-01), Mette
patent: 3548962 (1970-12-01), Best
patent: 3565198 (1971-02-01), Ames
Carroll John A.
Goodman Philip
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