Patent ID: 7207599
Filing Date: 2007-04-24
Classification: B60S

Abstract:
1. A landing gear for a semitrailer, comprising; a pair of spaced-apart telescopic legs each having a jack therein, a stub shaft protruding therefrom, and means for transmitting torque between said stub shaft and said jack; said stub shafts in both said legs pointing toward each other and each having a circular cross section; a tubular cross shaft extending between said stub shafts for transmitting torque between said jacks; said cross shaft having a square cross section; and a pair of torque-transmitting connections, each comprising an engagement of an end portion of said cross shaft over one of said stub shafts and a bolt extending diametrically through said end portion of said cross shaft and said one of said stub shafts, wherein said end portion of said cross shaft has a deformation therein, and wherein said deformation is a concave curvature in two opposite flat walls in said tubular cross shaft.