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US 4,060,893 AGranted
Cutter
AssigneeKabushiki Kaisha Daisho
InventorHaruo Matsuura
Life of this patent
Estimating the term…
Abstract
A cutter for cutting a sheet-like material into a circular form, comprising a frame member including a sidewall portion for holding a sheet-like material to be cut against a surface of a flat body and defining a gap between the portion and the surface, a rotary member pivotally mounted on the frame member and capable of rotation within the gap, a handle for driving the handle, and a knife mounted on the rotary member and having a cutting edge which at least extends to the surface of the flat body.
Claims3
A sheet cutting device for cutting sheets into a circular form, comprising
- a base having a flat upper base surface and having a bracket upstanding from the surface;
- a frame pivoted to the bracket for angular pivoting movements between a raised position and a lower position, the frame having a sidewall secured thereto and the sidewall having a pad thereon at a free edge of the sidewall remote from the frame for engaging, in the lower position of the frame, a sheet lying on the base surface to determine the lower position of the frame, to hold the sheet, and to provide a gap between the base surface and the frame, the sidewall and pad being disposed to surround the gap;
- and
- a rotor rotatably mounted on the frame for rotation in the gap, having a handle for effecting the rotation, and having a cutting edge extending to the base surface when the frame, with the rotor and the knife thereon, is in the lower position, for cutting the sheet into a circular form by the rotation of the rotor and knife relative to the sheet held by the pad.
1 more element
Dependencies are inferred from the claim text.