Window adjustment system for blinds

1. A portable ground blind, comprising:

a collapsible support structure;

a flexible cover mounted to the collapsible support structure and having a camouflage pattern along at least an exterior surface thereof, the support structure and cover defining a ground blind interior sized to accommodate at least one sportsman;

a window assembly defining a selectably openable window opening in the cover, the window opening being configured to permit the at least one sportsman to shoot wild game from within the ground blind interior, the window assembly comprising:

at least one flexible window panel having a plurality of edges;

at least one zipper operable along at least one of the side edges to selectively connect and disconnect the at least one side edge relative to the cover to alter a size of the window opening;

at least one gathering member positioned on the at least one flexible window panel and configured to automatically apply at least some tension in the at least one flexible window panel that limits undesired movement of a loose portion of the at least one flexible window panel when the at least one side edge is disconnected from the cover, and wherein the tension gathers the at least one flexible window panel relative to the at least one flexible window panel itself.

2. The ground blind of claim 1 , wherein the at least one zipper is operable along an entire length of the at least one side edge.

3. The ground blind of claim 1 , wherein the plurality of side edges include opposed side edges, and the at least one zipper includes separate zippers operable along each of the opposed side edges.

4. The ground blind of claim 1 , wherein the at least one gathering member includes an elastic member.

5. The ground blind of claim 4 , wherein the elastic member extends parallel to at least one of the plurality of side edges.

6. The ground blind of claim 1 , wherein the at least one gathering member applies a tension force in the at least one flexible window panel.

7. The ground blind of claim 1 , wherein the plurality of side edges are arranged vertically.

8. The ground blind of claim 1 , wherein the at least one flexible window panel includes first and second window panels, the first and second window panels each having portions coupled to the cover vertically in series relative to each other.

9. The ground blind of claim 1 , wherein the at least one gathering member includes a plurality of elastic members positioned at spaced apart locations across a width of the at least one flexible window panel.

10. The ground blind of claim 1 , wherein at least two of the plurality of side edges are arranged parallel to each other.

11. A portable ground blind, comprising:

a collapsible support structure;

a flexible cover mounted to the collapsible support structure, the support structure and cover defining sidewalls, a ceiling, and an interior sized to accommodate at least one sportsman;

a window assembly, comprising:

a window opening formed in the cover and configured to permit the at least one sportsman to view wild game from within the interior;

at least one flexible window panel positioned in the window opening and having a plurality of side edges;

separate zippers operable along at least two of the side edges to selectively connect and disconnect the respective side edges relative to the cover to adjust a size of an exposed portion of the window opening;

at least one elastic member positioned on the at least one flexible window panel and configured to automatically gather the at least one flexible window panel when one of the side edges is disconnected relative to the cover.

12. The ground blind of claim 11 , wherein the window opening is positioned at a height of the sportsman's eyes when sitting.

13. The ground blind of claim 11 , wherein the window opening is configured to permit the sportsman to shoot wild game from within the interior.

14. The ground blind of claim 11 , wherein the at least one elastic member includes a plurality of elastic members.

15. The ground blind of claim 11 , wherein the at least one elastic member extends parallel to the side edges.

16. The ground blind of claim 11 , wherein the at least one flexible window panel includes first and second window panels, the first and second window panels each having portions coupled to the cover vertically in series relative to each other.

17. A portable ground blind, comprising:

a collapsible support structure;

a flexible cover mounted to the collapsible support structure, the support structure and cover defining a ground blind interior sized to accommodate at least one sportsman;

a window assembly, comprising:

a window opening formed in the cover and configured to permit the at least one sportsman to view wild game from within the interior;

first and second flexible window panels each having at least one side edge;

a separate zipper operable along at least one of the side edges of each of the first and second flexible window panels to selectively connect and disconnect the side edges relative to the cover;

at least one elastic member positioned on each of the first and second flexible window panels and configured to automatically gather the respective window panel when one of the side edges is disconnected relative to the cover.

18. The ground blind of claim 17 , wherein the at least one elastic member includes separate elastic members positioned on each of the window panels to apply tension in the window panels.

19. The ground blind of claim 17 , wherein the window assembly includes four zippers.

20. The ground blind of claim 17 , wherein the ground blind is sized for carrying by a single person.