Beet row finder and steering mechanism for beet harvesters

• US 3,183,976 A
• Filed: 07/16/1962
• Issued: 05/18/1965
• Est. Priority Date: 07/16/1962
• Status: Expired due to Term

• Current Assignee: Eugene C. Rollins
• Original Assignee: Eugene C. Rollins
• Inventors: Rollins, Eugene C.
• Application Number:
  US04/210,009
• Time in Patent Office: 1,037 Days
• US Class Current: 171/8
• CPC Class Codes: A01D 33/00 Accessories for digging harvesters

Claims

1. A BEET ROW FINDER AND HARVESTER STEERING MECHANISM COMPRISING;

A SENSING FRAME;

A FOUR-WAY VALVE MOUNTED ON SAID FRAME INCLUDING A RECIPROCABLE VALVE ACTUATOR AND RESILIENT MEANS FOR BIASING SAID ACTUATOR TO A NEUTRAL POSITION;

A PAIR OF TRANSVERSELY SPACED GROUND ENGAGING BEET ROW FINDING FINGERS;

MEANS FOR PIVOTALLY MOUNTING SAID FINGERS TO SAID FRAME ON HORIZONTAL AND VERTICAL AXES, SAID FINGERS BEING ARRANGED TO STRADDLE A BEET ROW;

AN OVERTRAVEL LINKAGE CONNECTED BETWEEN SAID FINGERS AND SAID ACTUATOR FOR MOVING SAID ACTUATOR IN EITHER DIRECTION IN RESPONSE TO THE ROTATION OF SAID FINGERS ABOUT SAID VERTICAL AXIS AND FOR PERMITTING A FURTHER ROTATION OF SAID FINGERS BEYOND THE LIMITS OF MOVEMENT OF SAID ACTUATOR;

MEANS FOR MANUALLY PIVOTING SAID FINGERS UPON SAID HORIZONTAL AXIS AND ELEVATING FINGERS RELATIVE TO SAID FRAME;

AND MEANS MOUNTED ON SAID FRAME FOR MANUALLY PIVOTING SAID FINGERS IN EITHER DIRECTION UPON SAID VERTICAL AXIS.