The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2025
Filed:
Jul. 13, 2023
Samhwa Co., Ltd, Uiwang-si, KR;
SAMHWA CO., LTD, Uiwang-si, KR;
Abstract
A refill unit includes a lift shell and a holder. The lift shell includes: a shell cylinder, which is shaped as a hollow column to form a shell space with an insertion hole formed in a lower surface, and a shell coupler part, which extends downward around the insertion hole to form an enclosing space and has an outwardly protruding shell curb formed on a lower portion. The holder includes: a holder body arranged within the shell space; and a holder coupler part extending downwards from the holder body to be inserted through the insertion hole into the enclosing space. The holder coupler part has a holder space formed on the inside and an inwardly protruding holder curb formed on a lower portion, with the holder coupler part open towards the first direction.