Rotation system with three degrees of freedom and...

Photography – Camera support – Adjustable support

Reexamination Certificate

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Details

C396S419000, C348S373000

Reexamination Certificate

active

07396168

ABSTRACT:
A first guide rail (11), and a second guide rail (12) and a third guide rail (13) that are parallel to each other are installed on a base (2) so as to be perpendicular to each other, and these guide rails are rotated about shafts (4) installed on both ends. When the guide rails are rotated, an indication bar (3) installed on a rotor (1) is moved synchronously with the movement of the guide rails, so that the rotor (1) is also rotated. A slider (22) installed on the indication bar (3) slides along a slit (21) of the third guide rail (13). Then a rotation angle of the rotor (1) about the indication bar (3) is determined by the distance between the guide rails.

REFERENCES:
patent: 5319577 (1994-06-01), Lee
patent: 61-228158 (1986-10-01), None
patent: 62-228392 (1987-10-01), None
patent: 9-133165 (1997-06-01), None
patent: 2001-82913 (2001-03-01), None
Dynamic Modelling and Control of a Ball-joint-Like Variable-Reluctance Spherical Motor Journal of Dynamic Systems, Measurements, and Control Mar. 1996, vol. 118, pp. 29-40.
Basic Consideration of Actuators with Multi Degrees of Freedom Having an Identical Center of Rotation Tomoaki Yano Makoto Kaneko vol. 11 No. 6, pp. 875-882, 1993.

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