Apex Mfg. Co., Ltd.

Ching-Li Wang

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.

Heavy duty stapler

An effort-saving stapler includes a first activating mechanism including a first connecting section and an abutting ridge, and a second activating mechanism including a ram and an arm including a second connecting section pivotally connecting to the first connecting section at a fulcrum point 'A'. The stapler further includes a pushing mechanism including a third connecting section, an anvil, and an abutting ridge contacting with the abutting edge of the first activating mechanism, and with these two abutting ridges defining a contact point 'B'. The stapler further includes a magazine including a fourth connecting section pivotally connected to the third connecting section at a second fulcrum point &#x201c;C&#x201d;. The fulcrum point &#x201c;A&#x201d;, contact point &#x201c;B&#x201d; and fulcrum point &#x201c;C&#x201d; are in a straight line when bending legs of the staples for closing the staples in an effort-saving way.

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Tali, Taiwan

Ching-Li Wang