| 摘要 |
A binder for receiving and retaining loose leaf papers including a cover, a binding mechanism coupled to the cover, and a hole punch mechanism coupled to the cover. The hole punch mechanism includes a base and a handle movable relative to the base. The handle includes a set of protrusions and the base includes a set of openings aligned with the protrusions such that each protrusion can be received in a corresponding opening to punch a hole in a sheet of paper. The base includes a top portion and a bottom portion forming a cavity therebetween for receiving the punched holes. The top portion is removable to provide access to the cavity, and the holes are formed in the top portion.
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