| 摘要 |
A portable multiple-component articulating support apparatus for engaging, moving, orientating and manipulating a hand-operated power tool within and throughout a three-dimensional workspace. The apparatus includes a clamping device for demountable engagement with a structural element, an elongate double-link hinge member, a spacer arm having opposite ends adapted for detachable engagement and rotational communication with the clamping device and the double-link hinge member, a vertically disposed pivotably connected counterbalance arm assembly adapted for detachable engagement and rotational communication with the double-link hinge member. The counterbalan ce arm assembly is equipped with a gas-charged cylinder for balancing the weigh t of hand-operated power tools. The clamping device, spacer arm, double-link hing e and counterbalance arm assembly are interconnected with removable hinge pins . A tool-mounting bracket is provided for grippingly engaging a power tool. T he tool-mounting bracket pivotably engages a power tool-bearing member which slidingly and rotatably communicates with the counterbalance arm assembly.</ SDOAB> |
