초록 ▼

A row crop planter unit (11) is supported by a pair of laterally spaced wheel and disc assemblies (56, 57) mounted on corresponding ends of a pair of walking beams (58, 59). The other corresponding ends of the walking beams (58, 59) are interconnected by an equalizer mechanism (76) which includes a

A row crop planter unit (11) is supported by a pair of laterally spaced wheel and disc assemblies (56, 57) mounted on corresponding ends of a pair of walking beams (58, 59). The other corresponding ends of the walking beams (58, 59) are interconnected by an equalizer mechanism (76) which includes a cable (91) and vertically adjustable pulley (77).

대표청구항 ▼

In an agricultural implement including a frame adapted for connection in towed relation to a draft appliance and a soil penetrating tool secured to said frame, the combination comprising: first and second laterally spaced gauge wheels operable to support said frame and control the working depth of s

In an agricultural implement including a frame adapted for connection in towed relation to a draft appliance and a soil penetrating tool secured to said frame, the combination comprising: first and second laterally spaced gauge wheels operable to support said frame and control the working depth of said soil penetrating tool and means mounting said wheels in supporting relation to said frame including a pair of longitudinally extending walking beams in side-by-side relation to one another for supporting said wheels, respectively, means rotatably supporting said wheels on corresponding front ends of said walking beams, means mounting intermediate portions of said beams on said frame for independent vertical pivotal movement, and an equalizer mechanism interconnecting the corresponding rear ends of said beams including a pulley at the rear of said frame, a support rotatably mounting said pulley and adjustably secured to said frame for vertical adjustment of said pulley between predetermined raised and lowered positions, and a flexible tension member having opposite ends connected to said corresponding rear ends of said beams and an intermediate portion reeved about said pulley.