| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a supporting arm with a lock device of multiple degrees of freedom capable of adjusting and fixing a position of an article mounted on a supporting arm, as intended.SOLUTION: A supporting arm with a lock device of multiple degrees of freedom includes: a supporting arm unit including a supporting frame, a first lever pivoted on the supporting frame and having a first pivoting portion, and a second lever pivoted on the supporting frame and having a second pivoting portion; a case fixing unit including an upper case, a lower case, and a side case pivoted between the upper case and the lower case; a screw shaft having a screw portion positioned inside of a pivoting groove, and a helical portion positioned outside of the pivoting groove; a conical pressor block having a screw hole engaged with the screw portion, and a pressor block taper face; and at least one conical cover plate having a cover plate taper face, and a cover plate contact face positioned at the side opposite to the cover plate taper face, and corresponded to a wall surface of the pivoting groove, the first pivoting portion and the second pivoting portion.</p> |
