| 摘要 |
A blade adjusting device for a string saw includes a suspension arm having a support plate and a pivot chamber, a pivot arm having a first end pivotally mounted in the pivot chamber of the suspension arm and a second end defining a pivot chamber, a blade clamping base having a first end pivotally mounted in the pivot chamber of the pivot arm and a second end for clamping a blade, a rotary knob rotatably mounted on the blade clamping base for detachably replacing the blade, a washer mounted on the support plate of the suspension arm, an adjusting rod slidably mounted in the suspension arm and in turn extending through the washer, the support plate of the suspension arm, and the pivot arm, a press handle having a first end pivotally mounted on an upper end of the adjusting rod and rotatably urged on the washer, and an adjusting knob rotatably screwed on a lower end of the adjusting rod and urged on the pivot arm.
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