| 摘要 |
The present invention relates to a blade-replaceable tapping knife adapted to make an incision by carving into the cortex or outer bark of rubber trees. The blade-replaceable tapping knife (100) includes a blade holder (110) having a rigid cavity with locking slots (114), a retaining element (120) having a slot (122) with retaining edge (124), a locking pin (130), a replaceable cutting blade (140) with protruded edge (142) wherein the blade holder (110) is adapted to accommodate the replaceable cutting blade (140) and the retaining element (120), such that it enables the cutting blade (140) to be detachable secured therewith and wherein the slot (122) of the retaining element (120) is made aligned with the locking slots (114) of the blade holder (110), such that the replaceable cutting blade (140) is able to be sandwichly secured within the cavity of the blade holder (110) through which the locking pin (130) is inserted. |
