| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems with a conventional robot arm mechanism which is mainly for use in gripping compact products, automatically installs parts into basic main body of a machine/product, has a relatively short arm, need not have stiffness, supports the position of the parts, and easily grips the parts, the problems arising under the circumstances that the robot arm mechanism is required to built up or transport large parts/workpieces with growing frequency, and they are inconvenient when large plates such as building materials are built up/laminated/transported. SOLUTION: A new robot arm mechanism is formed of a parallel chuck device, a frame arranged thereon, first arms, second arms, and a pad. Specifically a proximal end of each first arm having its center pivoted on the frame and being shaped like a dog leg, is pivoted on a mobile body arranged on the parallel chuck device, and a free end of each first arm is extended to the tip of the frame. Then a central pivotal portion of each second arm is pivoted about the proximal center of the first arm and a folding portion formed of the free end and the center of the first arm, and a proximal end of each second arm is pivoted on the tip of the frame, followed by fixing the pad to the free ends of the first and second arms, respectively. In this manner, by using a four-point bearing and the pad, articles can be built up and transported. COPYRIGHT: (C)2005,JPO&NCIPI
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