US 12,114,771 B2
Prefabricated shelf
Hyo Sang Yoon, Gimpo-si (KR); Yoon Ki Kim, Incheon (KR); Jae Koon Han, Gimpo-si (KR); and Jun Hyuk Lee, Seoul (KR)
Assigned to SPEEDRACK CO., LTD., Gimpo-si (KR)
Filed by Speedrack Co., Ltd., Gimpo-si (KR)
Filed on Feb. 10, 2023, as Appl. No. 18/167,814.
Claims priority of application No. 10-2022-0058370 (KR), filed on May 12, 2022.
Prior Publication US 2023/0363530 A1, Nov. 16, 2023
Int. Cl. A47B 47/00 (2006.01)
CPC A47B 47/0083 (2013.01) [A47B 2230/16 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A prefabricated shelf, comprising:
a first frame in which a pair of assembly holes, each having a wide portion and a narrow portion, are arranged left-right symmetrically; and
a second frame in which a pair of assembly protrusions, corresponding to the pair of assembly holes and each protruding to fit into the narrow portion, are arranged left-right symmetrically,
wherein the narrow portion comprises a pressing protrusion portion configured to protrude from a first end thereof and press the assembly protrusion to a second side thereof to force the assembly protrusion into place,
wherein the pressing protrusion portion includes a pair of pressing protrusions arranged apart up and down, and
wherein the assembly protrusion comprises a fixing protrusion portion fitted into a fixing groove located between the pair of pressing protrusions.