Seed planter

Claim 1

IN A SEED PLANTER THE COMBINATION OF: A FRAME; A PAIR OF FIRST AND SECOND PLATES; FIRST MEANS ROTATABLY SUPPORTING ONE OF SAID PLATES ON SAID FRAME ON A FIRST SUBSTANTIALLY HORIZONTAL AXIS; SECOND MEANS SUPPORTING THE OTHER ONE OF SAID PLATES ON SAID FRAME ON A SECOND SUBSTANTIALLY HORIZONTAL AXIS, SAID FIRST AND SECOND AXES SUBSTANTIALLY PARALLEL TO EACH OTHER AND LATERALLY SPACED APART; A SEED PLANTING NEEDLE ASSEMBLY; THIRD MEANS PIVOTALLY CONNECTING SAID SEED PLANTING NEEDLE ASSEMBLY TO SAID FIRST PLATE; FOURTH MEANS PIVOTALLY CONNECTING SAID NEEDLE ASSEMBLY TO SAID SECOND PLATE; SAID THIRD AND FOURTH MEANS HAVING PIVOTAL AXES SPACED FROM EACH OTHER A DISTANCE SUBSTANTIALLY EQUAL TO THE SPACING OF SAID FIRST AND SECOND AXES; A HOLLOW TUBULAR SEED HOLDING MEMBER ON SAID NEEDLE ASSEMBLY DISPOSED, AT ITS NORMALLY LOWER END, TO BE PROJECTED DOWNWARDLY INTO SOIL; A NEEDLE BAR OF SAID NEEDLE ASSEMBLY PIVOTED TO OPEN AND CLOSE SAID LOWER END OF SAID HOLLOW TUBULAR SEED HOLDING MEMBER; CAM MEANS ON ONE OF SAID PLATES DISPOSED TO BE ENGAGED BY SAID NEEDLE BAR FOR PIVOTING IT INTO POSITION TO OPEN SAID LOWER END OF SAID HOLLOW TUBULAR SEED HOLDING MEMBER WHEN IT IS PROJECTED INTO THE GROUND BY CONCURRENT ROTATION OF SAID PLATES ABOUT THEIR PIVOTAL AXES, ONE OF SAID PLATES BEING DISC SHAPED AND HAVING A PERIPHERAL PORTION DISPOSED TO ENGAGE THE GROUND AND TO THEREBY ROTATE BOTH OF SAID PLATES WHEN MOVED OVER THE GROUND AND MEANS FOR TRANSMITTING SAID FRAME ALONG A PLANT ROW OF SOIL.