US 12,070,868 B2
Handle assembly and cartridge, and razor including same
Sung Hee Son, Seoul (KR); and Jae Joon Lee, Seoul (KR)
Assigned to Dorco Co., Ltd., Seoul (KR)
Filed by DORCO CO., LTD., Seoul (KR)
Filed on Nov. 21, 2022, as Appl. No. 18/057,686.
Application 18/057,686 is a continuation of application No. 15/983,677, filed on May 18, 2018, granted, now 11,504,865.
Application 15/983,677 is a continuation of application No. PCT/KR2015/012521, filed on Nov. 20, 2015.
Claims priority of application No. 10-2015-0162937 (KR), filed on Nov. 20, 2015.
Prior Publication US 2023/0092827 A1, Mar. 23, 2023
Int. Cl. B26B 21/14 (2006.01); B26B 21/08 (2006.01); B26B 21/22 (2006.01); B26B 21/40 (2006.01); B26B 21/52 (2006.01)
CPC B26B 21/14 (2013.01) [B26B 21/4012 (2013.01); B26B 21/4018 (2013.01); B26B 21/08 (2013.01); B26B 21/225 (2013.01); B26B 21/52 (2013.01); B26B 21/521 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A cartridge configured to be coupled to a handle assembly and rotatable with respect to the handle assembly about a pivot axis, comprising:
one or more blades;
a frame supporting the one or more blades so that the one or more blades can be exposed at an upper portion of the frame and configured to receive the one or more blades in a longitudinal direction;
a first guard member positioned on the upper portion of the frame, wherein the first guard member is positioned in front of the one or more blades and spaced apart from all of the one or more blades, and wherein the first guard member is configured to align hair entering the one or more blades;
a second guard member positioned in front of the first guard member, wherein the second guard member is configured to pull skin in contact with the frame;
a first opening positioned between the first guard member and the second guard member on the upper portion of the frame and extending through the frame from the upper portion of the frame to a lower portion of the frame, and
a second opening positioned between a foremost blade of the one or more blades and the first guard member;
wherein the one or more blades, the second opening, the first guard member, the first opening, and the second guard member are positioned sequentially as listed on the upper portion of the frame in a lateral direction perpendicular to the longitudinal direction,
wherein a width of the first opening in the lateral direction is greater than a width of the second opening in the lateral direction,
wherein a width of the first opening in the lateral direction is greater than a width of the first guard member in the lateral direction,
wherein a width of the first guard member in the longitudinal direction is greater than a width of the first opening in the longitudinal direction, and
wherein the pivot axis overlaps the first opening when viewed from the upper portion of the frame.