Patent ID: 6206215
Filing Date: 2001-03-27
Classification: B61G

Abstract:
In a railroad freight-car coupler having a coupler head having a guard-arm side and a knuckle side includinga chamber formed within said coupler head at said knuckle side,a knuckle swingable about a vertical axis supported by said coupler head with a tail portion thereof extending from said knuckle,said knuckle being movable between thrown and locked positions,a knuckle thrower supported by said head for movement between thrown and locked positions,said knuckle thrower being engageable by and movable with said knuckle toward their locked positions, anda coupler lock including a lower leg portion depending from an upper lock portion situated within said chamber,said lock being movable within said chamber between thrown, lockset, and locked positions,said lock being movable, due to gravity, toward its locked position wherein said lock is in the path of movement of said tail portion of said knuckle;the improvement therein comprisinga lock-lift assembly including an elongated toggle means for moving said lock toward its lockset and thrown positions and movable with said lock toward its locked position, andactuation means installed on said coupler head and operating at lower portion of said toggle means for moving said coupler lock toward its lockset and thrown positions.