Paper punch with assistance arm

Abstract

A paper punch includes a base with two support units and each support unit has lower first holes and higher second holes. A main arm has two extensions and each extension has two lugs. Each lug includes an elongate slot defined therethrough. The main arm is pivotably connected to the higher second holes. Two assistance arms are located between the main arm and the two support units, the two assistance arms are pivotably connected to the lower first holes. Each assistance arm includes two legs and each leg has a protrusion which is movably engaged with the elongate slot corresponding thereto. Two punch head are movably connected to the two support units and can be pushed to punch paper sheets by the assistance arms. The protrusions of the assistance arms move along the elongate slots in the main arm and the punch heads are lowered by the assistance arms.

Dependencies are inferred from the claim text.