| 主权项 |
1. A truck bed extension configured to connect to a right striker post and a left striker post on a truck having a tail gate; the truck bed extension, comprising: a tail gate attachment plate, mechanically coupled to the tail gate;
a back plate, rotationally connected to the tail gate attachment plate with a first back plate hinge assembly, a second back plate hinge assembly, a third back plate hinge assembly and a fourth back plate hinge assembly; a right plate, rotationally connected to the back plate with a first right plate hinge assembly and a second right plate hinge assembly; a left plate, rotationally connected to the back plate with a first left plate hinge assembly and a second left plate hinge assembly; a right plate bracket, attached to the right plate and configured to receive the right striker post; and a left plate bracket, attached to the left plate and configured to receive the left striker post the tail gate attachment plate further comprises: a first tail gate attachment plate extension portion, a second tail gate attachment plate extension portion, a third tail gate attachment plate extension portion and a fourth tail gate attachment plate extension portion; the back plate further comprises: a first back plate back extension portion, a second back plate back extension portion, a third back plate back extension portion, a fourth back plate back extension portion, a fifth back plate back extension portion, a sixth back plate back extension portion, a seventh back plate back extension portion and an eighth back plate back extension portion; the first back plate hinge assembly further comprising: a first back plate back extension portion cylinder, which is enclosed by a first back plate back extension portion tube attached to the first back plate back extension portion; a second back plate back extension portion cylinder, which is enclosed by a second back plate back extension portion tube attached to the second back plate back extension portion; a first tail gate attachment plate extension portion cylinder, which is enclosed by a first tail gate attachment plate extension portion tube attached to a first tail gate attachment plate; a first back plate hinge rod inserted through the first back plate back extension portion cylinder, the second back plate back extension portion cylinder and the first tail gate attachment plate extension portion cylinder; the second back plate hinge assembly further comprising: a third back plate back extension portion cylinder, which is enclosed by a third back plate back extension portion tube attached to the third back plate back extension portion; a fourth back plate back extension portion cylinder, which is enclosed by a fourth back plate back extension portion tube attached to the fourth back plate back extension portion; a second tail gate attachment plate extension portion cylinder, which is enclosed by a second tail gate attachment plate extension portion tube attached to a second tail gate attachment plate; a second back plate hinge rod inserted through the third back plate back extension portion cylinder, the second tail gate attachment plate extension portion cylinder and the fourth back plate back extension portion cylinder; the third back plate hinge assembly further comprising: a fifth back plate back extension portion cylinder, which is enclosed by a fifth back plate back extension portion tube attached to the fifth back plate back extension portion; a sixth back plate back extension portion cylinder, which is enclosed by a sixth back plate back extension portion tube attached to the sixth back plate back extension portion; a third tail gate attachment plate extension portion cylinder, which is enclosed by a third tail gate attachment plate extension portion tube attached to a third tail gate attachment plate; a third back plate hinge rod inserted through the fifth back plate back extension portion cylinder, the third tail gate attachment plate extension portion cylinder and the sixth back plate back extension portion cylinder; the fourth back plate hinge assembly further comprising: a seventh back plate back extension portion cylinder, which is enclosed by a seventh back plate back extension portion tube attached to the seventh back plate back extension portion; an eighth sixth back plate back extension portion cylinder, which is enclosed by an eighth back plate back extension portion tube attached to the eighth back plate back extension portion; a fourth tail gate attachment plate extension portion cylinder, which is enclosed by a fourth tail gate attachment plate extension portion tube attached to a fourth tail gate attachment plate; and a fourth back plate hinge rod inserted through the seventh back plate back extension portion cylinder, the fourth tail gate attachment plate extension portion cylinder and the eighth back plate back extension portion cylinder. |
