| 摘要 |
The invention is an improved structure of the stapler which consists of a pressing cover with a pressing plate and a protection plate underneath its front end and a base with a staple board in the front. The staple casket accommodates a pushing block which pushes the staples in the staple casket by the stretch of the spring behind it. The binding is completed by the pressing of the pressing plate and the guidance of the protection plate. A clasping part can be installed on the pushing block to hold an indicator for indicating the amount of the staples. A hook at the bottom of the casket deck hooks to the opening on the staple casket, so that when the staples run out the staple casket will slide out for reloading by the pressing of the pushing block. The staple board has a concave groove of a proper height and a spring plate is placed above it for guiding the staples when binding a thick pile of papers.
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