Patent ID: 6082467
Filing Date: 2000-07-04
Classification: A01B

Abstract:
A tool bar, comprising:an elongated tongue having forward and rearward ends;said tongue having a top wall, a bottom wall, and opposite side walls;said forward end of said tongue having a hitch member provided thereon for connection to a prime mover;said tongue being rotatably connected, about a horizontal axis parallel to the longitudinal axis of said tongue, to said hitch member;a first horizontally disposed pivot pin secured to said tongue rearwardly of the forward end thereof closely adjacent one of said side walls;a second horizontally disposed pivot pin secured to said tongue rearwardly of the forward end thereof closely adjacent the other of said side walls;each of said first and second pivot pins having its longitudinal axis disposed parallel to the longitudinal axis of said tongue;a first elongated tool bar section having inner and outer ends;a second elongated tool bar section having inner and outer ends;said tool bar sections extending transversely outwardly from opposite sides of said tongue when in a field working condition;said inner ends of said first and second tool bar sections being pivotally secured to said first and second pivot pins, respectively, whereby said tool bar sections may pivotally move upwardly and downwardly with respect to said tongue;and flex control means connected to said tongue and said first and second tool bar sections for positioning said tongue at an angle of tilt approximately halfway between the angle of tilt of the first and second tool bar sections with respect to each other.