| 摘要 |
A clamp device is described comprising a clamp having a cylindrical portion and a pair of first and second saddles, and a clamping screw bolt, the first saddle having a through hole and the second one having a threaded hole screwable with a screw thread of the bolt, which device is provided at the first saddle with retaining means for retaining the bolt substantially axially fixed and utilizes thrust caused by screwing the bolt with the threaded hole to enlarge easily an interval between the first and second saddles. The device requires no particular tool for effecting clamping. |
