Tonneau cover tie-down assembly

1. A tonneau cover assembly that selectively covers a cargo bed of a truck, the tonneau cover assembly comprising:

a panel configured to extend over the cargo bed of the truck;

at least one cover section located adjacent the panel;

at least one rail;

a first bracket located on the at least one rail;

a tie-down block assembly which includes:

a block having a first surface and an arm that extends from the block and is spaced apart from the first surface;

wherein the arm includes a second surface;

wherein the first surface is spaced apart from the second surface; and

a bolt that includes a bolthead and a shaft extending from the bolthead wherein the bolthead is wider than a diameter of the shaft;

wherein the bolthead of the bolt is fitted in an opening in the panel;

wherein the shaft of the bolt is disposed in the block;

wherein the first surface of the block abuts a surface of the panel; and

wherein the second surface of the arm that extends from the block abuts the first bracket located on the at least one rail; and

a tether assembly which includes:

a hook that is selectively engageable with the first bracket located on the at least one rail;

a second bracket attached to the at least one cover section; and

a strap that is attached to the hook and the second bracket.

2. The tonneau cover assembly of claim 1 , wherein the first bracket includes first and second openings wherein the first opening receives a portion of the arm and the second opening receives a portion of the hook.

3. The tonneau cover assembly of claim 1 , further comprising a threaded knob that engages threads on the shaft of the bolt and engages the block of the tie-down block assembly to press the first surface of the block against the surface of the panel.

4. The tonneau cover assembly of claim 1 , wherein the shaft of the bolt is disposed through the block.

5. The tonneau cover assembly of claim 1 , wherein the surface of the panel is an underside surface.

6. The tonneau cover assembly of claim 1 , wherein the strap is made of a flexible material.

7. A tonneau cover assembly that selectively covers a cargo bed of a truck, the tonneau cover assembly comprising:

a panel configured to extend over the cargo bed of the truck;

at least one rail; and

a tie-down block assembly which includes:

a block having a first surface and an arm that extends from the block and is spaced apart from the first surface;

wherein the arm includes a second surface;

wherein the first surface is spaced apart from the second surface; and

a bolt that includes a bolthead and a shaft extending from the bolthead wherein the bolthead is wider than a diameter of the shaft;

wherein the bolthead of the bolt is fitted in an opening in the panel;

wherein the shaft of the bolt is disposed in the block;

wherein the first surface of the block abuts a surface of the panel; and

wherein the second surface of the arm that extends from the block abuts a portion of the at least one rail.

8. A tonneau cover assembly that selectively covers a cargo bed of a truck, the tonneau cover assembly comprising:

a panel configured to extend over the cargo bed of the truck;

at least one cover section located adjacent the panel;

wherein the at least one cover section includes at least one frame member;

at least one rail;

a first bracket located on the at least one rail; and

a tether assembly which includes:

a hook that is selectively engageable with the first bracket located on the at least one rail;

a second bracket attached to the at least one frame member of the at least one cover section; and

a strap that is attached to the hook and the second bracket.

9. A tonneau cover assembly that selectively covers a cargo bed of a truck, the tonneau cover assembly comprising:

a panel configured to extend over the cargo bed of the truck;

at least one rail; and

a tie-down assembly which includes:

a head that engages the panel;

a first surface that is spaced apart from the head that engages a bottom surface of the panel; and

a second surface that is spaced apart from the first surface and the head;

wherein the second surface engages a portion of the at least one rail.

10. The tonneau cover assembly of claim 9 , wherein the head fits into a slot formed in the bottom surface of the panel.

11. The tonneau cover assembly of claim 9 , wherein the bottom surface of the panel is located between the head and the first surface of the tie-down assembly.

12. A tonneau cover assembly that selectively covers a cargo bed of a truck, the tonneau cover assembly comprising:

a panel configured to extend over the cargo bed of the truck;

at least one cover section located adjacent the panel;

wherein the at least one cover section includes at least one frame member;

at least one rail;

wherein the at least one rail is secured to the cargo box and does not fold; and

a tether assembly which includes a longitudinally extending strap that extends from the at least one rail to the at least one frame member of the at least one cover section.

13. The tonneau cover assembly of claim 12 , further comprising a hook attached to a first end of the strap, wherein the hook engages a portion of the at least one rail.

14. The tonneau cover assembly of claim 12 , further comprising a bracket that is attached to the at least one frame member of the at least one cover section and attached to a second end of the strap.

15. The tonneau cover assembly of claim 12 , wherein the longitudinally extending strap has a length that creates slack between the at least one rail and the at least one cover section.

16. The tonneau cover assembly of claim 12 , wherein the longitudinally extending strap is made of a flexible material.