Land vehicles – Wheeled – Articulated vehicle
Patent
1975-07-28
1977-04-19
Song, Robert R.
Land vehicles
Wheeled
Articulated vehicle
B60D 116
Patent
active
040184510
ABSTRACT:
A three-point connection on a tractor comprises an upper guide member and a pair of lower guide members and coupling hooks on each of the guide members. A pair of leaf springs are connected between the upper guide member or a traverse bar on the upper guide member and the lower guide member coupling hooks. The leaf springs are each curved in the direction in which it is desired that the leaf springs bend when forces are applied to the ends of the springs.
REFERENCES:
patent: 3220751 (1965-11-01), Tweedale
patent: 3889980 (1975-06-01), Geisthoff
Geisthoff Hubert
VON Allworden Wilhelm
Jaskiewicz Edmund M.
Jean Walterscheid GmbH
Schrecengost R.
Song Robert R.
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