| 摘要 |
A power stapler includes a base in which a gear system and a motor is received, and a punching arm which is pivotally connected to said base and a punching member is pivotally connected to said base. A punching plate is connected a free end of said punching member. A shaft extends through said punching member and two arms are connected to two first ends of said shaft. Two cam devices are respectively connected to two respective second ends of said two arms and the gear system powered by a motor is connected to an axle of one gear of said gear system. Accordingly, when the two arms are activated by the gear system, the punching member is lowered to proceed stapling action.
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