Patent ID: 6651415
Filing Date: 2003-11-25
Classification: A01D,Y10S

Abstract:
A height adjustment apparatus for turf maintenance equipment wherein the equipment is comprised of a ground contacting support and a frame that supports an operational unit, said apparatus comprising:a threaded rod having a top end and a lower end; a nut having an upper surface and a lower surface, wherein said nut is rigidly attached to said top end of said threaded rod; a frame bracket, said frame bracket threadably receiving said threaded rod and being rigidly attached to the frame, said frame bracket further having an upper and lower surface; a swivel head, said swivel head having a central bore and being attached to the ground contacting support, wherein said lower end of said threaded rod rotationally engages said bore of said swivel head; a socket having an upper end, a lower end, an upper surface and a lower surface, said socket receiving said threaded rod and slidably engaging said nut and said frame bracket, wherein said socket is held non-rotationally engaged with said frame bracket; a biasing means, said biasing means biasing said socket into a non-rotational engagement with said frame bracket; wherein disengagement of said socket from said frame bracket enables said socket to be rotated and rotation of said socket causes said rod to rotate through said threaded bore of said frame bracket and to rotate within said central bore of said swivel head, causing the frame and operational unit to raise or lower relative to the ground contacting support.