Free-standing jumping device

1. An apparatus, comprising:

a support frame;

a resilient member having a first end portion and a second end portion, opposite from the first end portion, at least one of the first end portion and the second end portion including a plurality of sleeves, each sleeve from the plurality of sleeves defining an opening therein, the first end portion configured to be coupled to the support frame;

a seat configured to be coupled to the second end portion of the resilient member such that the seat is suspended from the support frame by the resilient member; and

a retainer configured to selectively maintain a position of the resilient member, a portion of the retainer configured to be disposed within a first sleeve from the plurality of sleeves and coupled to at least one of the seat and the support frame such that a position of the seat relative to the support frame is adjustable by disposing the portion of the retainer within a second sleeve from the plurality of sleeves, the second sleeve being different from the first sleeve.

2. The apparatus of claim 1 , wherein each sleeve from the plurality of sleeves includes a first sleeve portion and a second sleeve portion, the second sleeve portion being coupled to the first sleeve portion to define the opening.

3. The apparatus of claim 1 , wherein the first end portion of the resilient member and the second end portion of the resilient member are flexible and substantially inelastic.

4. The apparatus of claim 1 , wherein the resilient member includes:

an elastic portion disposed between the first end portion and the second end portion; and

a cover disposed about the elastic portion of the resilient member.

5. The apparatus of claim 1 , wherein the resilient member includes:

a first strap;

a second strap; and

a spring disposed between the first strap and the second strap.

6. The apparatus of claim 1 , wherein the retainer is configured to be coupled to at least one of the seat and the support frame by any one of an inelastic strap, an elastic strap, an interference fit and a fastener.

7. The apparatus of claim 1 , wherein the retainer is configured to be pivotably coupled to at least one of the seat and the support frame.

8. The apparatus of claim 1 , wherein the retainer is configured to be removably coupled to at least one of the seat and the support frame.

9. The apparatus of claim 1 , wherein the retainer is an integral portion of at least one of the seat and the support frame.

10. The apparatus of claim 1 , wherein:

the second end portion of the resilient member includes the plurality of sleeves; and

the retainer is configured to be coupled to the seat.

11. The apparatus of claim 1 , wherein:

the second end portion of the resilient member includes the plurality of sleeves;

the seat includes an attachment portion including a top surface and a bottom surface, the attachment portion of the seat defining an opening between the top surface and the bottom surface, the resilient member configured to be disposed within the opening defined between the top surface and the bottom surface; and

the retainer is configured to be removably coupled to the bottom surface of the attachment portion.

12. The apparatus of claim 1 , wherein:

the first end portion of the resilient member includes the plurality of sleeves; and

the retainer is configured to be coupled to the support frame.

13. The apparatus of claim 1 , wherein:

the first end portion of the resilient member includes the plurality of sleeves;

the support frame includes an attachment member having a first surface and a second surface, the attachment member defining an opening between the first surface and the second surface, the resilient member configured to be disposed within the opening between the first surface and the second surface; and

the retainer is configured to be removably coupled to the first surface of the attachment member.

14. The apparatus of claim 1 , wherein:

the resilient member is a first resilient member from a plurality of resilient members, each of the resilient members from the plurality of resilient members including a first end portion and a second end portion, opposite from the first end portion, at least one of the first end portion and the second end portion including a plurality of sleeves, the first end portion of each resilient member from the plurality of resilient members is configured to be coupled to the support frame; and

the seat is configured to be coupled to the second end portion of each resilient member from the plurality of resilient members such that the seat is suspended from the support frame by each resilient member from the plurality of resilient members.

15. The apparatus of claim 1 , wherein:

the support frame includes a plurality of upright members;

the resilient member is a first resilient member from a plurality of resilient members, each of the resilient members from the plurality of resilient members including a first end portion and a second end portion, opposite from the first end portion, the second end portion including a plurality of sleeves, the first end portion of each resilient member from the plurality of resilient members configured to be coupled to an upright member from the plurality of upright members;

the seat is configured to be coupled to the second end portion of each resilient member from the plurality of resilient members such that the seat is suspended from the support frame by each resilient member from the plurality of resilient members.

16. The apparatus of claim 1 , wherein each sleeve from the plurality of sleeves includes an indicator configured to indicate the position of the seat relative to the support frame.