| 摘要 |
<p>A robotic gripper has fluid-actuated pistons (8, 9, 31, 35, 39, 43, 56, 59) which actuate oppositely disposed gripping jaws (4, 5, 74). The fluid is preferably a gas such as air for most use requirements but can be a hydraulic liquid for particular use requirements. Separate pistons that are fluid-actuated in opposite directions have equal or near equal surface areas to provide high equality of gripping pressure in response to equal rate of supply of pressure of actuating fluid. High precision of linear travel of the gripping jaws in opposite directions is assured by optional pluralities of either cylindrical or angular slideways (6, 7, 64, 67, 68, 70, 71, 72, 73) having close proximity to the gripping jaws in order to impart high precision of the slideways to high-precision positioning of the gripping jaws. Resistance to bending moment and high rigidity of the gripping jaws also are provided by the close proximity of gripping jaws to slideways. Surface areas of the fluid-actuated pistons can be sized and shaped for particular use requirements.</p> |
