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A balancing apparatus having a surf board, an upstanding support post and a main universal joint connected in-between the bottom of the surf board and the top of the support post. The surf board can be tilted relatively to the support post about two different axes passing through the center of the s

A balancing apparatus having a surf board, an upstanding support post and a main universal joint connected in-between the bottom of the surf board and the top of the support post. The surf board can be tilted relatively to the support post about two different axes passing through the center of the support post.

대표청구항 ▼

Balancing apparatus having a board on which a person can stand; an upstanding support post; a main universal joint connecting the bottom of the board to the top of the post; a first tilting unit connected between the board and the post for use in tilting the board on the universal joint back and for

Balancing apparatus having a board on which a person can stand; an upstanding support post; a main universal joint connecting the bottom of the board to the top of the post; a first tilting unit connected between the board and the post for use in tilting the board on the universal joint back and forth about a first horizontal axis passing through the center of the universal joint; and a second tilting unit connected between the board and the post for use in tilting the board back and forth about a second horizontal axis passing through the center of the universal joint at an angle to the first horizontal axis; the first and second tilting units having a first and second hydraulic actuator connected at one end with a top universal joint to the board, and connected at its other end with a bottom universal joint to the post; further including a mounting block connected to the bottom of the board, the mounting block having a main socket forming part of the main universal joint; a first, top socket, forming part of the first actuator top universal joint, in the mounting block, and a second, top socket, forming part of the second actuator top universal joint, in the mounting block, the mounting block being made in three sections; the first section containing one-half of the main socket and one-half of the first top socket; the second section containing one-quarter of the main socket and one-half of the second top socket; the third section containing one-quarter of the main socket, one-half of the first top socket and one-half of the second top socket; and fastening means connecting the sections together in a manner to form the main and first and second top sockets.