Abstract: In a structure for supporting driving reaction force acting upon a differential housing, a first arm portion on a differential carrier or carrier cover connected to the differential housing and a second arm portion on a front axle bracket fixed to a frame of the vehicle overlap each other in a vertical direction and are coupled to each other by means of a driving reaction force receiving bolt. A shim having a notch for putting the driving reaction force receiving bolt therethrough is inserted between the first arm portion and the second arm portion.

Abstract: An electric resistance welding method for welding zinc plated steel plates is disclosed. The zinc plated steel plates having at least one surface covered with a plating layer composed of mainly zinc can be welded by the present invention efficiently while overlapping said plating layers, because a material for increasing the resistance between the zinc plated steel plates is employed in the present invention, and it is either spreaded, coated or bonded on the surface of said plating layers to be joined beforehand. Thus, the electric resistance of zinc plated steel plates can be performed by a lower electric current in a shorter time without deteriorating the anti-corrosion property of zinc plated steel plates, because the electric resistance between the steel plates has been increased by such a material.