| 摘要 |
An apparatus for punching at least one hole in a sheet of paper and attaching a reinforcing ring onto the sheet around the hole includes a platform; a hole punch rod mounted to and extending outwardly from the platform positioned to match a desired location for a hole on a sheet, the hole punch rod having a rod cutting end extending away from the platform; a sheet panel having a ring passing hole positioned to register with the longitudinal axis of the punch rod and sized to pass a reinforcing ring; a hole punch plate generally parallel to and spaced forwardly from the sheet panel and having a hole punching port positioned to register with the longitudinal axis of the hole punch rod, the hole punching port being sized to pass the rod cutting end closely enough to cut a hole into a sheet placed between the rod cutting end and the punching port; a sheet panel return spring mechanism.
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