| 摘要 |
A parallel vise with a tunnel-shaped base portion in which a correspondingly shaped guiding rail carrying the movable jaw is displaceable, and in which said guiding rail has longitudinally extending inclined guiding surface means slidably engaged by correspondingly inclined surface means of a spring-loaded bushing which is adjustable from the outside of the vise, clutch means being provided between said bushing and adjusting means operable from the outside of said vise. |
