Frontal connection apparatus for tractors
AssigneeJ. I. Case Company
InventorsDieter Schillings, Bernard Peters, Hans G. Oellers
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AssigneeJ. I. Case Company
InventorsDieter Schillings, Bernard Peters, Hans G. Oellers
Estimating the term…
Improved tractor frontal three-point connection apparatus with lower links attached to the front bolster at a pivot axis behind the front panelling of the tractor housing and pivotable to positions behind such panelling, the lower links having rear extensions acted on by lower ends of substantially vertical hydraulic cylinders to pivot the lower links to a substantially vertical orientation, thereby facilitating movement of lower links to inoperative positions over the front axles. Preferred embodiments include a tubular rock shaft rotatably mounted on the front bolster and having rearwardly extending cylinder-attachment lugs, opposite ends removably receiving journals of the lower links, and pocket members at each end receiving and interacting with the rear extensions of the lower links.
In tractor frontal connection apparatus of the type including a tractor with front panelling and a front bolster bearing a front axle, two forwardly-extending pivotable lower links, hydraulic cylinder means acting on the lower links, and an upper link secured to an upper connecting lug, the improvement comprising:
Dependencies are inferred from the claim text.