| 摘要 |
<p>A scroller jig saw has a pivoted locking lever (6) spring biased into engagement with a rotatable scrolling control assembly (4, 5) to lock the latter, and therewith the saw blade (21), against rotation. A cam (7), preferably rotatably mounted on the scrolling control assembly (4, 5), is manually movable between a scrolling position in which it holds the locking lever (6) out of engagement with the scrolling control assembly (4, 5) and a non-scrolling position in which the lever (6) is free to be spring biased into locking engagement with the scrolling control assembly (4, 5).</p> |
