US 12,146,518 B2
L-shaped bolt fastening structure for upright fastening
Chang Su Lim, Hwaseong-si (KR)
Assigned to GNI. CO., LTD., (KR)
Filed by GNI. Co., Ltd., Hwaseong-si (KR)
Filed on Mar. 23, 2023, as Appl. No. 18/125,704.
Claims priority of application No. 10-2022-0134879 (KR), filed on Oct. 19, 2022; and application No. 10-2023-0016575 (KR), filed on Feb. 8, 2023.
Prior Publication US 2024/0133416 A1, Apr. 25, 2024
Prior Publication US 2024/0229854 A9, Jul. 11, 2024
Int. Cl. F16B 35/04 (2006.01); F16B 39/10 (2006.01)
CPC F16B 35/041 (2013.01) [F16B 39/108 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An L-shaped bolt coupling structure comprising:
a lower structure which is positioned below equipment of an industrial facility and in which a hole for fastening is formed;
an L-shaped bolt inserted into the hole of the lower structure and including an upper vertical portion on which a thread is formed and a lower horizontal portion which is formed to extend from a lower end of the upper vertical portion through a bent portion;
a fall-prevention washer which has a ring shape, is fastened to the L-shaped bolt, and is supported on an upper surface of the lower structure to prevent the L-shaped bolt from falling below the lower structure;
a bracket disposed on the lower structure and having a long hole into which the L-shaped bolt is inserted;
an anti-loosening washer and a fixing nut disposed on the bracket and sequentially fastened to the L-shaped bolt; and
a coupling long hole washer fastened to the L-shaped bolt and disposed between the bracket and the anti-loosening washer.