| 摘要 |
<p>The open ended spanner-type clamping holder extension has a flat oval assembly with a stationary and a tiltable gripping jaw. The gripping jaws have four enlargements of different sizes in wavy shape. The flat oval hollow assembly narrows towards the shaft and accommodates in a suitable enlargement, the head of a corresponding spanner head. The four enlargements on the flat oval assembly provides a combination to allow the use of eleven different open ended spanner heads. The tiltable part of the gripping jaws are connected to the body part by hinge, pin or scissor assembly.</p> |
