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US 4,440,091 AGranted
Guideway control apparatus
OwnerJohn A. Burgessinventor
Life of this patent
Estimating the term…
Abstract
An apparatus for automatically controlling the operation of a non-track machine, such as a tractor used in plowing, fertilizing or mowing, may incorporate a guideway which limits the repetitive closed loop elongate path through which such a slave tractor operates to, electively, increasing or decreasing diametric distances, whereof a trolley, captive to the guideway, electively, pays out or takes in a control tether cable controlling the steering operation of the slave tractor.
Claims10
A control apparatus for guiding a self-propelled tractor, comprising:
- a longitudinal guideway positioned on the ground;
- a tether cable connected to said self-propelled tractor;
- means for feeding cable by gathering and paying out said tether cable, said cable feeding means being connected to said tether cable;
- means for holding said cable feeding means for traveling along said guideway;
- and
- means for stopping said holding means at each end of said guideway for initiating a reversal in direction.
3 more elements
A control apparatus for guiding a self-propelled tractor, comprising:
- a longitudinal length of track positioned on the ground having hollow rails;
- a tether cable connected to said self-propelled tractor;
- a spool gathering and paying out said tether cable and being connected thereto;
- a trolley riding on said track holding said spool, said spool being mounted on said trolley, said tether cable being wrappable around said spool, wherein said trolley includes axles and wheels, said trolley wheels operating within said rail hollow portion and held therein;
- and
- means for stopping said trolley at each end of said guideway.
3 more elements
Dependencies are inferred from the claim text.