Penknife unfolding accessory
OwnerCynthia H. Claiborneinventor
Life of this patent
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Abstract
A penknife unfolding accessory comprises an envelope or sheath of sheet material which wraps around a penknife blade, extending beyond the folded blade to provide an area for gripping and unfolding the blade. To prepare for use, the envelope is wrapped around an open blade which is then folded into the penknife, leaving an area of envelope protruding from the penknife. In use, the protruding area is grasped and pulled by a user to unfold and open the blade.
Claims7
A penknife unfolding accessory, comprising:
- a sheet of tough, flexible material, the sheet configured to wrap around a blade of a penknife, said blade having a working edge and an outer edge, the sheet further divided by a fold configured for placement proximal the working edge of said blade, the sheet further having edges configured to extend beyond the outer edge of said blade when the fold is proximal the working edge of said blade.
The penknife unfolding accessory according to claim2, wherein the thermoplastic consists of one of high density polyethylene, polypropylene and polyethylene terephthalate glycol.
A method of unfolding a blade from a penknife, the blade having a working edge and an outer edge, the method comprising:
- wrapping an envelope around the working edge of the blade with the blade open;
- closing the blade, and
- holding the penknife firmly in one hand and grasping the envelope with the other hand, pulling the envelope to unfold the blade.
Dependencies are inferred from the claim text.