US 12,227,377 B2
Enclosed foam ramp
Robert Krolski, Kewaskum, WI (US); Carl Richter, Menomonee Falls, WI (US); and Clint Berry, Rapid River, MI (US)
Assigned to Motis, LLC, Germantown, WI (US)
Filed by Motis Brands, Inc., Germantown, WI (US)
Filed on Apr. 29, 2021, as Appl. No. 17/244,526.
Claims priority of provisional application 63/018,030, filed on Apr. 30, 2020.
Prior Publication US 2021/0339968 A1, Nov. 4, 2021
Int. Cl. B65G 69/28 (2006.01); B65G 69/30 (2006.01); B66F 7/24 (2006.01)
CPC B65G 69/287 (2013.01) [B65G 69/30 (2013.01); B66F 7/243 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A ramp having first and second ends, the ramp comprising:
a foam core having a first core surface and a second core surface;
a metal skin secured to and surrounding the foam core, the metal skin forming a top surface secured to the first core surface, a bottom surface secured to the second core surface, and opposed side surfaces between the top surface and the bottom surface, wherein the foam core is solid and unitary interior of the metal skin; and
a first hook secured at the first end of the ramp, the first hook comprising a first fastening plate and a second fastening plate spaced apart from the first fastening plate, wherein the metal skin and the foam core are secured between the first fastening plate and the second fastening plate with the first fastening plate secured to the top surface of the metal skin and the second fastening plate secured to the bottom surface of the metal skin; and
a second hook secured at the second end of the ramp, the second hook comprising a third fastening plate and a fourth fastening plate spaced apart from the third fastening plate, wherein the metal skin and the foam core are secured between the third fastening plate and the fourth fastening plate with the third fastening plate secured to the top surface of the metal skin and the fourth fastening plate secured to the bottom surface of the metal skin;
wherein the first hook defines a first thickness of the combined metal skin and the foam core at the first end of the ramp between the top surface and the bottom surface of the metal skin and the second hook defines the first thickness of the combined metal skin and the foam core at the second end of the ramp between the top surface and the bottom surface of the metal skin;
wherein the ramp increases in a thickness dimension from the first thickness to a second thickness of the combined metal skin and the foam core between the top surface and the bottom surface of the metal skin at a center of the ramp in a lengthwise dimension and the ramp increases in the thickness dimension from the first thickness at the second end of the ramp to the second thickness at the center of the ramp; and
wherein the second thickness is greater than the first thickness.