Motor vehicles – Special driving device – Portable track
Patent
1974-04-11
1976-01-20
Goodman, Philip
Motor vehicles
Special driving device
Portable track
305 24, B62D 5508
Patent
active
039332136
ABSTRACT:
The invention is a suspension assembly for a loop drive track of a vehicle such as a snowmobile. Individual forward and aft suspension linkages incorporating coaxial compression spring and shock absorber units, employ rolling contact with a track support slide rail or bogey wheel assembly to provide programmed spring and shock reaction over the full range of vertical displacement of the track.
REFERENCES:
patent: 3603575 (1971-09-01), Arlasky
patent: 3613811 (1971-10-01), Brandli
patent: 3707198 (1972-12-01), Pierson
patent: 3727709 (1973-04-01), Newman
patent: 3744583 (1973-07-01), Bedard
patent: 3773126 (1973-11-01), Irvine
patent: 3860079 (1975-01-01), Hoffman
Brunswick Corporation
Carroll John A.
Goodman Philip
Lawler, Jr. William G.
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