초록 ▼

A balance board structure for recreation or exercising use comprises a roller-supported foot platform having the roller positively retained in a frame under the platform by a retention pin extending through the roller into guide channels formed in opposed longitudinal side members of the frame. In u

A balance board structure for recreation or exercising use comprises a roller-supported foot platform having the roller positively retained in a frame under the platform by a retention pin extending through the roller into guide channels formed in opposed longitudinal side members of the frame. In use, the roller is manipulated along the frame by a person standing on the foot platform and the pin prevents separation of the components, for example during transport, or when the user falls off of the foot platform.

대표청구항 ▼

A balance board structure comprising a foot platform, a tubular roller under the platform and roller retention means comprising an elongate pin extending loosely through the roller, the pin having opposite end portions extending from opposite ends of the roller, the opposite end portions of the pin

A balance board structure comprising a foot platform, a tubular roller under the platform and roller retention means comprising an elongate pin extending loosely through the roller, the pin having opposite end portions extending from opposite ends of the roller, the opposite end portions of the pin being received in respective elongate guide channels formed on the foot platform.