Stand-on mower folding platform system

1. A stand-on riding mower system, comprising:

a mower motor;

a mower frame;

a mower deck housing mowing blades; and

a stand-on rider platform system configured to support an operator in a standing position, the stand-on rider platform system comprising:

a folding rider platform pivotally coupled to the mower frame, wherein the folding rider platform is configured to pivot about a platform pivot axis between a folded-up position and a folded-down position, the folding rider platform configured to support an operator in the standing position while the folding rider platform is in the folded-down position;

a folding rider platform support member;

a rider presence sensor secured to the folding rider platform support member and configured to engage the folding rider platform while the folding rider platform is in the folded-down position; and

a folding rider platform suspension system comprising a resilient member disposed between the folding rider platform and the folding rider platform support member, wherein the resilient member is configured to engage with the folding rider platform while the folding rider platform is in the folded-down position to dampen movement of the folding rider platform in the folded-down position,

wherein the folding rider platform is configured to pivot about the platform pivot axis to compress the resilient member and engage the rider presence sensor, and

wherein the resilient member is configured to bias the folding rider platform such that (a) the rider presence sensor is in an activated state while the folding rider platform is in the folded-down position without an operator occupying the folding rider platform, and (b) the rider presence sensor is in a deactivated state while the folding rider platform is in the folded-down position with an operator occupying the folding rider platform, wherein the activated state is configured to inhibit an operation of the mower and the deactivated state is configured to enable the operation of the mower.

2. The system of claim 1 , wherein the folding rider platform comprises a planar base plate configured to support feet of the operator in the standing position, wherein the folded-up position comprises the planar base plate disposed in a vertical orientation, and wherein the folded-down position comprises the planar base plate disposed in a horizontal orientation.

3. The system of claim 2 , wherein the platform pivot axis is offset above a plane of the planar base plate.

4. The system of claim 2 , wherein the planar base plate comprises a nose configured to engage with the resilient member and the rider presence sensor, and wherein the nose comprises a planar member angled relative to the planar base plate.

5. The system of claim 1 , wherein the resilient member is secured to the folding rider platform support member.

6. The system of claim 1 , wherein a position of the resilient member is adjustable.

7. The system of claim 1 , further comprising a second resilient member disposed between the folding rider platform and the folding rider platform support member, wherein the second resilient member is configured to engage with the folding rider platform while the folding rider platform is in the folded-down position to dampen movement of the folding rider platform in the folded-down position.

8. The system of claim 1 , wherein the rider presence sensor comprises a plunger configured to engage with the folding rider platform.

9. A mower system, comprising:

a mower motor;

a mower frame;

a mower deck housing mowing blades; and

a stand-on rider platform system comprising:

a folding rider platform pivotally coupled to the mower frame, wherein the folding rider platform is configured to pivot between a folded-up position and a folded-down position, the folding rider platform configured to support an operator while the folding rider platform is in the folded-down position;

a rider presence sensor secured to a frame member of the mower system and configured to engage with the folding rider platform while the folding rider platform is in the folded-down position, the rider presence sensor configured to sense a presence of an operator standing on the folding rider platform; and

a folding rider platform suspension system comprising a resilient member configured to be compressed between the frame member and the folding rider platform while the folding rider platform is in the folded-down position,

wherein the folding rider platform is configured to pivot about a platform pivot axis to compress the resilient member and engage the rider presence sensor, and

wherein the resilient member is configured to bias the folding rider platform such that (a) the rider presence sensor is in an activated state while the folding rider platform is in the folded-down position without an operator occupying the folding rider platform, and (b) the rider presence sensor is in a deactivated state while the folding rider platform is in the folded-down position with an operator occupying the folding rider platform, wherein the activated state is configured to inhibit an operation of the mower and the deactivated state is configured to enable the operation of the mower.

10. The system of claim 9 , wherein the folding rider platform comprises a planar base plate configured to support feet of the operator in the standing position, and wherein the folded-down position comprises the planar base plate disposed in a horizontal orientation.

11. The system of claim 10 , wherein the platform pivot axis is offset from the plane of the planar base plate.

12. The system of claim 10 , wherein the planar base plate comprises a nose configured to engage with the resilient member and the rider presence sensor, and wherein the nose comprises a planar member angled relative to the planar base plate.

13. The system of claim 9 , wherein the resilient member is secured to a frame member of the mower system.

14. The system of claim 9 , wherein a position of the resilient member is adjustable.

15. The system of claim 9 , further comprising a second resilient member configured to engage with the folding rider platform while the folding rider platform is in the folded-down position.

16. The system of claim 9 , wherein the rider presence sensor comprises a plunger configured to engage with the folding rider platform.

17. A mower system, comprising:

a mower motor;

a mower frame;

a mower deck housing mowing blades; and

a stand-on rider platform system comprising:

a folding rider platform pivotally coupled to the mower frame, wherein the folding rider platform is configured to pivot between a folded-up position and a folded-down position, the folding rider platform configured to support an operator while the folding rider platform is in the folded-down position; and

a rider presence sensor secured to a frame member of the mower system and configured to engage with the folding rider platform while the folding rider platform is in the folded-down position, the rider presence sensor configured to sense a presence of an operator standing on the folding rider platform; and

a folding rider platform suspension system comprising a resilient member configured to be compressed between the frame member and the folding rider platform,

wherein the folding rider platform is configured to pivot about a platform pivot axis to compress the resilient member and engage the rider presence sensor, and

wherein the resilient member is configured to bias the folding rider platform such that (a) the rider presence sensor is in an activated state while the folding rider platform is in the folded-down position without an operator occupying the folding rider platform, and (b) the rider presence sensor is in a deactivated state while the folding rider platform is in the folded-down position with an operator occupying the folding rider platform, wherein the activated state is configured to inhibit an operation of the mower and the deactivated state is configured to enable the operation of the mower.

18. The system of claim 17 , wherein the folding rider platform comprises a planar base plate configured to support feet of the operator in the standing position, and wherein the folded-down position comprises the planar base plate disposed in a horizontal orientation.

19. The system of claim 18 , wherein the planar base plate comprises a nose configured to engage with the rider presence sensor and the rider presence sensor, and wherein the nose comprises a planar member angled relative to the planar base plate.

20. The system of claim 17 , wherein the rider presence sensor comprises a plunger configured to engage with the folding rider platform.

21. The system of claim 17 , further comprising a resilient member configured to engage with the folding rider platform while the folding rider platform is in the folded-down position.