A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/37
A01B 5/04 (2006.01) A01B 21/08 (2006.01)
Patent
CA 1046830
HYDRAULIC ANGLING MECHANISM FOR DISC HARROW GANGS ABSTRACT OF THE DISCLOSURE Hydraulic mechanism for varying the angular relationship between a pair of adjacent end-connected disc harrow gangs which uses the same power source that ordin- arily is employed for raising and lowering the harrow frame structure as a power source to actuate the gang angling mechanism. A bell crank lever mechanism embodying a pivot shaft, trailing wheel axle arms, and a crank arm, has the latter arm connected to the power source so that when the crank arm is swung in opposite fore and aft directions, the frame structure is raised or lowered. The gang angling mechanism embodies floating links which are connected at one end to the crank arm and which pass slidingly through the pivotal juncture between the end-connected gangs, together with removable abutment members which, when applied to the floating links in the vicinity of such junctures, engages the latter when the power source is actuated in one direc- tion or the other and forces the juncture in a direction either to increase or decrease the angular gang relationship, depending upon whether the abutment members are applied forwardly or rearwardly of the juncture.
247593
Birkenbach Eugen J.
Woodworth Robert D.
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