| 摘要 |
<p>The hand bow saw has a tension lever connected to the bow, which lies against the grip arm of the bow when the saw blade is tensioned. To the lever is attached eccentrically a front hook comprising two flaps which secure between them the saw blade end. One of the flaps has a lateral projection insertable in a hole of the saw blade, whilst the other flap has a recess which accommodates the projection, and locates between the blade and a head-side widening of the projection. The projection comprises a tongue (8) which incorporates a part lying in the hole (9) of the saw blade (7) and inclined forwards. A further part is parallel to the saw blade and bent forwards.</p> |
