US 12,151,504 B2
Multi-pen having sharp knob containing a through hole for sharp lead
Pill Won Kim, Seoul (KR)
Assigned to LIVEWORK CO., LTD., Seoul (KR)
Filed by LIVEWORK Co., Ltd, Seoul (KR)
Filed on Jul. 25, 2023, as Appl. No. 18/358,901.
Claims priority of application No. 10-2022-0094748 (KR), filed on Jul. 29, 2022; and application No. 10-2023-0084678 (KR), filed on Jun. 30, 2023.
Prior Publication US 2024/0001707 A1, Jan. 4, 2024
Int. Cl. B43K 24/12 (2006.01); B43K 21/06 (2006.01); B43K 24/10 (2006.01); B43K 24/16 (2006.01)
CPC B43K 24/12 (2013.01) [B43K 21/06 (2013.01); B43K 24/10 (2013.01); B43K 24/163 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A multi-pen comprising:
an upper body;
a lower body detachably coupled to a lower side of the upper body;
one or more ink leads and a pencil pipe accommodated in the upper body and the lower body;
a pencil knob coupled to an upper side of the pencil pipe and having a first through hole formed therein;
a cover detachably provided at the upper side of the pencil knob; and
a pencil exposure part exposed to an outside of the lower body according to an operation of the pencil knob,
wherein a pencil lead is supplied to the pencil pipe from an upper side of the pencil knob through the first through hole,
wherein a second through hole through which the pencil lead passes is formed inside the cover, and a lower diameter of the second through hole is smaller than an upper diameter thereof.