| 摘要 |
A heavy duty stapler comprises a base member; a magazine member, which has a first end pivotally connected to the base member and a second end opposite to the first end, including a firing device provided at the second end thereof, with a firing portion formed from an end of the firing device; a lever arm, which has first and second end, including first and second pivotal sections defined at the first end thereof and a pressing section defined at the second end thereof opposite to the first and second pivotal sections, with the first pivotal section pivotally connected to the base member; a linkage member having a first end pivotally connected to the second pivotal section of the lever arm and a second end opposite to the first end thereof; and a driven member including a first pivotal portion pivotally connected to the base member, a second pivotal portion pivotally connected to the second end of the linkage member and a driven portion.
|
