Patent ID: 6183031
Filing Date: 2001-02-06
Classification: B60P

Abstract:
A counterbalance mechanism for use with a trailer having a trailer frame and a gate mounted to said trailer for pivotal movement from a transport position wherein said gate is elevated to an unload position wherein said gate is lower than when in said transport position, said counterbalance mechanism comprising:an anchor member adapted for attachment to said trailer frame;an elongated flexible member having first and second ends and an intermediate portion therebetween;a spring connected to said first end of said flexible member and to said anchor member;a pair of opposing pulleys rotatably mounted on said trailer frame and juxtapositioned with each other so as to guide and support the intermediate portion of said cable therebetween;a connector attached to said second end of said flexible member and being adapted for attachment to said gate at a point spaced from said gate axis, whereby said spring will provide a counterbalance force opposing movement of said first end of said flexible member away from said anchor member during movement of said gate between said transport and said unload positions.