Coupling device for connecting a rotary or ordinary snowplow to a motor vehicle driving the same

摘要

562,618. Couplings. AKTIEBOLAGET AXEL JOHANSSONS MEKANISKA VERKSTAD. Dec. 23, 1942, No. 18274. Convention date, Dec. 27, 1941. [Class 103 (v)] A tractor 4 pushing in front of it a snowplough 1 is connected to the plough by two separate coupling rods 6, one on each side, pivotally connected to the plough by horizontal pivots 7, the connections to the tractor being by means of spherical bearings affording freedom for turning of the rods about their longitudinal axes as well as about horizontal and vertical axes. Rollers 10 carried bv the rods 6 and working against vertical guide plates 11 limit swinging movement of the rods in the horizontal plane. Cushioning springs 12 carried by the plough bear on the rods 6.