Patent ID: 6179092
Filing Date: 2001-01-30
Classification: A01B,A01F

Abstract:
In an agricultural implement having a main frame; at least one pair of ground-engaging wheels rotatably attached to said frame; a mechanism for attaching said frame to a towing vehicle; and a mechanism for locking said wheels relative to said frame to prevent further movement of said implement, said locking mechanism including a lock member movable between a hold position in which said lock member precludes the rotation of at least one of said wheels and a release position in which said lock member permits rotation of said at least one wheel; control mechanism operatively linked to said lock member for moving said member between said hold position and said release position, said control mechanism including a setting apparatus movable between a park position for moving said lock member to said hold position and a transport position for moving said lock member to said release position, the improvement comprising:said control mechanism further including a force accumulator mechanism operatively installed between said setting apparatus and said lock member, andsaid control mechanism being operable to apply on said lock member a force in the direction of the release position while said setting apparatus is held in its transport position and said lock member is retained in said hold position andsaid control mechanism further being operable to move said lock member to said release position when said setting apparatus is held in its transport position and said lock member is released.