Cab roof to bottom of compartment seal

Claim 1

In combination, a motor vehicle cab roof, a forward extension compartment supported above the cab roof, and flexible sealing strip interposed between the cab and the compartment, the cab roof having an exterior panel with an arcuate marginal portion adjacent the perimeter thereof, the forward extension compartment having a base wall with a marginal strip overlying in spaced relation the arcuate marginal portion of the cab roof exterior panel, the base wall marginal strip having a cylindrical recess paralleling the perimeter thereof, the sealing strip comprising: a semi-cylindrical body poRtion having a diametrical base wall, the curved side of the body portion being complementarily fitted within the marginal strip semi-cylindrical recess and adhesively secured therein, and a plurality of longitudinally extending sealing ribs symmetrically spaced across the diametrical base wall and biased against the arcuate marginal portion of the cab roof exterior panel in sealing relationship thereto, the outermost of the ribs extending laterally of the base wall at an acute angle to the latter in a direction to contact the surface of the arcurate marginal portion of the cab roof exterior panel; interposed between the outermost ribs are a pair of substantially shorter ribs extending at a greater acute angle than the outer ribs to the surface of the exterior panel, each shorter rib when in contact with the exterior panel surface being flexed substantially in the same direction as the proximate outer rib.