Device for the movement and positioning of an element in space

A device for the movement and positioning of an element in space, comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by articulation of cardan type onto an end of the moving portion of its respective actuator, a second end of said at least one linking means being mounted onto the movable member by articulation providing two and only two degrees of freedom between the at least one linking means and the movable member.

A device for the movement and positioning of an element in space comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of ,the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by articulation of cardan type onto the movable member, a second end of said at least one linking means being mounted onto the moving portion of its respective actuator by articulation providing two and only two degrees of freedom between the at least one linking means and the moving portion of the actuator.

A device for the movement and positioning of an element in space, comprising.

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by articulation of ball-and-socket type onto an end of the moving portion of its respective actuator, a second end of said at least one linking means being mounted onto the movable member by articulation providing two and only two degrees of freedom between the at least one linking means and the movable member.

A device for the movement and positioning of an element in space comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by articulation of ball-and-socket type onto the movable member, a second end of said at least one linking means being mounted onto the moving portion of its respective actuator by articulation providing two and only two degrees of freedom between the at least one linking means and the moving portion of the actuator.

A device for the movement and positioning of an element in space, comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by universal joint articulation onto an end of the moving portion of its respective actuator, a second end of said at least one linking means being mounted onto the movable member by articulation providing two and only two degrees of freedom between the at least one linking means and the movable member.

A device for the movement and positioning of an element in space comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, said at least one linking means being mounted at a first end thereof by universal joint articulation onto the movable member, a second end of said at least one linking means being mounted onto the moving portion of its respective actuator by articulation providing two and only two degrees of freedom between the at least one linking means and the moving portion of the actuator.

A device for the movement and positioning of an element in space, comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, both of said bars being mounted at a first end thereof by universal joint articulation onto an end of the moving portion of its respective actuator, a second end of both of said bars being mounted by articulation onto the movable member so as to provide two and only degrees of freedom between said at least one linking means and the movable member.

A device for the movement and positioning of an element in space comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising two parallel bars, both of said bars being mounted at a first end thereof by universal joint articulation onto the movable member, a second end of both of said bars being mounted by articulation onto the moving portion of its respective actuator so as to provide two and only two degrees of freedom between said at least one linking means and the movable member.

A device for the movement and positioning of an element in space, comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising a single bar, said single bar of at least one of said linking means being mounted at a first end thereof by articulation of cardan type onto an end of the moving portion of its respective actuator, a second end of said bar being mounted onto the movable member by articulation providing two and only two degrees of freedom.

A device for the movement and positioning of an element in space comprising:

• at least one base member;
• at least one movable member;
• at least three actuators, each actuator comprising a fixed portion, substantially immovably fixed on the base member, and a moving portion mounted for rotation about an axis of the fixed portion of the actuator;
• and
• at least three linking means respectively connecting the moving portion of the actuators to the movable member, at least one of the linking means comprising a single bar, said single bar of at least one linking means being mounted at a first end thereof by articulation of cardan type onto the movable member, a second end of said bar being mounted onto the moving portion of its respective actuator by articulation providing two and only two degrees of freedom.