| 摘要 |
<p>PCT No. PCT/SE88/00022 Sec. 371 Date Sep. 23, 1988 Sec. 102(e) Date Sep. 23, 1988 PCT Filed Jan. 22, 1988 PCT Pub. No. WO88/05370 PCT Pub. Date Jul. 28, 1988.A sawing machine comprises a housing (14), an arm (3) pivotable relative to the housing about an axis (2), a member (4) arranged on the arm, intended for connection to a saw tool and rotatable about an axis spaced from the pivot axis of the arm and parallel thereto, means (19) for rotating the rotatable member, means (38) for pivoting the arm relative to the housing, and an element (53) arranged on the arm, intended for connection to a guard for the saw tool and rotatable for changing the position of the guard relative to the arm depending upon the pivoting position of the arm relative to the housing. A device for automatical rotation of the element (53) comprises a part (30) secured against rotation relative to the housing and located in the area of the pivot axis (2) of the arm as well as means (68) for mechanical force transmission from this part to the rotatable element (53).</p> |
