US 12,455,154 B2
Tape measure having installable bobbin
Dong Hun Kang, Busan (KR); and Seok Jun An, Busan (KR)
Appl. No. 18/032,769
Filed by KOMELON CORPORATION, Busan (KR)
PCT Filed Sep. 23, 2021, PCT No. PCT/IB2021/058683
§ 371(c)(1), (2) Date Apr. 19, 2023,
PCT Pub. No. WO2022/084769, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 10-2020-0136482 (KR), filed on Oct. 21, 2020.
Prior Publication US 2023/0392915 A1, Dec. 7, 2023
Int. Cl. G01B 3/10 (2020.01); G01B 3/1005 (2020.01); G01B 3/1043 (2020.01)
CPC G01B 3/1005 (2013.01) [G01B 3/1043 (2020.01); G01B 2003/103 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A tape measure including:
a first housing module, the first housing module including a first housing providing a spring space on one side, a rotational shaft mounted rotatably on the first housing, a spring located in the spring space, the spring coupled to the first housing by one end and coupled to the rotational shaft by the other end, and a first cover covering the spring space;
an installable bobbin rotatably mounted around the rotational shaft while being in close contact with the rotational shaft or the first cover of the first housing module, on which a blade is wound; and
a second housing module, the second housing module including a second housing assembled with the first housing and a power transmission part for transmitting the rotation of the rotational shaft to the bobbin,
wherein, as the bobbin is installed onto the first housing module and the second housing module is assembled to the first housing module, the first housing, the spring, the rotational shaft, the power transmission part, and the bobbin are mechanically connected.