US 12,280,514 B2
Handheld safety knife
Jeffrey Allen Kempker, Spring Lake, MI (US)
Filed by Cardinal Safety Company, LLC, Spring Lake, MI (US)
Filed on Jul. 12, 2021, as Appl. No. 17/373,710.
Prior Publication US 2023/0008940 A1, Jan. 12, 2023
Int. Cl. B26B 29/02 (2006.01); B26B 1/10 (2006.01); B26B 5/00 (2006.01)
CPC B26B 29/02 (2013.01) [B26B 1/10 (2013.01); B26B 5/00 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A handheld safety knife comprising:
a removable blade cartridge having a cartridge body, a first fixed blade, and a second fixed blade;
a handle having a cartridge recess with a planar base surface;
wherein said removable blade cartridge is retained in said cartridge recess and rests upon said planar base surface;
wherein said first fixed blade and said second fixed blade are co-planar;
wherein said removable blade cartridge has a first blade guard located at an end portion of said first fixed blade thereby forming a cutting channel with said cartridge body;
wherein said first fixed blade extends away from said handle when said removable blade cartridge is installed and wherein access to said second fixed blade is prevented.