Patent ID: 9643639
Date: 2017-05-09
CPC Classifications: B62B

Claim:
1. A stair-climbing hand truck comprising: a vertical frame, a back plate, and a load plate; wherein the load plate and the vertical frame are adapted to support and transport an object; wherein a primary set of wheels and at least one set of secondary wheels are affixed to the back plate; wherein the primary set of wheels mobilize the stair-climbing hand truck; wherein the at least one set of secondary wheels are adapted to aid in mobilizing the stair-climbing hand truck up or down a staircase; wherein the load plate is perpendicular with respect to the vertical frame; wherein the load plate is affixed to the vertical frame at a first distal end; wherein the back plate extends upwardly at an acute angle with respect to the vertical frame; wherein the back plate is a planar object that is further defined with a first back surface and a second back surface; wherein the first back surface is opposite of the second back surface; wherein the first back surface extends downwardly, and is affixed to the primary set of wheels as well as the at least one set of secondary wheels; wherein the primary set of wheels is closest to the vertical frame.