JP3116350U7 - - Google Patents

Claims (2)

A base device is provided with an upper claw and a lower claw that are pivotally connected to each other, bent in a bow shape when viewed from the side, and arranged to face each other, and is attached to the tip of an arm of a power shovel,
An arm connecting portion that is attached to the arm via a first pin protrudes from the middle position of the base half of the lower claw, and a base end portion is disposed outside the middle position of the base half of the upper claw. A protruding cylinder connecting portion for attaching the tip of a hydraulic cylinder attached to an intermediate position of the arm via a second pin;
The upper nail and the lower nail have a plurality of upper nail members and a lower nail member that are different from each other in plan view, and an intermediate position between the upper half members and the front half of the lower nail member, A front-side upper claw coupling member and a front-side lower claw coupling member each made of a pipe for coupling the upper claw member and the lower claw member adjacent to each other, and when the upper claw and the lower claw are closed, A clamping apparatus, wherein the lower claw member abuts on the front side lower claw coupling member or the lower claw member abuts on the front side upper claw coupling member. In clamping apparatus according to claim 1, clamping device, characterized in that the upper pawl member and the lower pawl member is respectively a box structure.