Patent ID: 11883755
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 4:
5. The see-saw apparatus of claim 2, wherein the at least one actuator comprises at least a first linear actuator and a second linear actuator, the first linear actuator coupled between the base and a location on the beam between the fulcrum and the first end, and a second linear actuator coupled between the base and a location on the beam between the fulcrum and the second end, wherein the actuator control device is configured to cause simultaneous retraction of the first linear actuator and extension of the second linear actuator to cause the beam to pivot in the first pivotal direction and to cause simultaneous extension of the first linear actuator and retraction of the second linear actuator to cause the beam to pivot in the second pivotal direction.