Telescoping countertop support bracket assembly

1. A countertop support bracket assembly, comprising:

a channel member defining a plurality of through holes through a lateral wall of the channel member, the channel member having a length and defining a channel that is open at both a first end and a second end of the channel member;

a support bar configured to be received by the first end of the channel member, the support bar being telescopically adjustable within the channel member along the length of the channel member;

a countertop contact surface supported by the support bar; and

wherein a multiplicity of fasteners secure the support bar within the channel member at a support length, each fastener passing through a respective through hole in the lateral wall and engaging a side of the support bar; and

a mounting accessory comprising a fastener bar coupled to a bar portion configured to be slidingly received in the second end of the channel member.

2. The countertop support bracket assembly of claim 1 wherein the countertop contact surface is integral to the support bar.

3. The countertop support bracket assembly of claim 1 further comprising a countertop contact bar coupled to the support bar, the countertop contact bar defining the countertop contact surface.

4. The countertop support bracket assembly of claim 1 wherein the countertop contact surface extends beyond the support bar in a direction along the length of the channel member.

5. The countertop support bracket assembly of claim 1 wherein each fastener is a set screw.

6. The countertop support bracket assembly of claim 1 wherein the countertop contact surface is flush with an upper surface of the channel member.

7. The countertop support bracket assembly of claim 1 wherein the channel member further comprises a floor wall defining a second plurality of through holes configured to directly secure the channel member to a support structure.

8. The countertop support bracket assembly of claim 1 wherein the channel member further comprises a pair of opposed upper walls and wherein the countertop contact surface is disposed between the pair of opposed upper walls.

9. The countertop support bracket assembly of claim 1 wherein the support length is in a range of 10-13 inches.

10. The countertop support bracket assembly of claim 1 wherein the support length is in a range of 37-48 inches.

11. A countertop support bracket assembly, comprising:

a channel member comprising a pair of opposed upper walls and a pair of opposed lateral walls, at least one of the lateral walls defining a plurality of through holes, the channel member defining a channel that is open at both a first end and a second end of a length of the channel member;

a support bar configured to be received by the first end of the channel member, the support bar being telescopically adjustable within the channel member along the length of the channel member;

a countertop contact surface supported by the support bar; and

wherein at least one fastener secures the support bar within the channel member at a support length, the fastener passing through one of the through holes in the lateral wall and engaging a side of the support bar; and

a mounting accessory comprising a fastener bar coupled to a bar portion configured to be slidingly received in the second end of the channel member.

12. The countertop support bracket assembly of claim 11 wherein the countertop contact surface is integral to the support bar.

13. The countertop support bracket assembly of claim 11 further comprising a countertop contact bar coupled to the support bar, the countertop contact bar defining the countertop contact surface.

14. The countertop support bracket assembly of claim 11 wherein the countertop contact surface extends beyond the support bar in a direction along the length of the channel member.

15. The countertop support bracket assembly of claim 11 wherein the countertop contact surface is disposed flush with upper surfaces of the pair of opposed upper walls.

16. The countertop support bracket assembly of claim 11 wherein the channel member further comprises a floor wall defining a second plurality of through holes configured to directly secure the channel member to a support structure.

17. A countertop support bracket assembly, comprising:

a channel member comprising a pair of opposed upper walls and a pair of opposed lateral walls and a floor wall, each lateral wall extending upwardly from the floor wall, each upper wall extending inwardly from one of the lateral walls, at least one of the lateral walls defining a plurality of through holes, the floor wall defining a second plurality of through holes configured to receive a fastener to secure the channel member to a support structure, the channel member defining a channel that is open at both a first end and a second end of a length of the channel member;

a support bar configured to be received by the first end of the channel member, the support bar being telescopically adjustable within the channel member along the length of the channel member;

a countertop contact surface supported by the support bar and disposed between the pair of opposed upper walls; and

wherein at least one fastener secures the support bar within the channel member at a support length, the fastener passing through one of the through holes in the lateral wall and engaging a side of the support bar;

a mounting accessory comprising a bar portion configured to be slidingly received in the second end of the channel member;

wherein the countertop contact surface is disposed flush with upper surfaces of the pair of opposed upper walls.