US Patent 11504865 Handle assembly and cartridge, and razor including same

A razor includes a handle assembly comprises, a grip part for gripping by a user, and a connecting part comprising a first plunger guard formed to protrude from a front end of the grip part, a second plunger guard formed to protrude from the front end of the grip part such that the same is spaced apart from the first plunger guard, and a plunger slidably coupled between the first plunger guard and the second plunger guard, and a cartridge includes at least one blade, a frame which supports the at least one blade such that the at least one blade is exposed on a front side, a connector arranged to be rotatable relative to the frame and having a receiving hole formed therein, which receives the first plunger guard, the second plunger guard, and the plunger.