Tape measure having installable bobbin

• Main Authors: Seok Jun An, Dong Hun Kang
• Format: Patent
• Language: English
• Published: 02.08.2023
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

A tape measure having an installable bobbin comprises a first housing module, an installable bobbin, and a second housing module, wherein the first housing module comprises: a first housing providing a spring space on one side thereof; a spring which has one end fitted to the first housing and the other end fitted to a rotating shaft in the spring space, and rotates the rotating shaft with respect to the first housing; and a first cover covering the spring space, wherein the second housing module includes a second housing corresponding to the first housing, and a power transmission unit transmitting rotation of the rotating shaft to the bobbin, wherein the bobbin is pushed against the rotating shaft or the first cover in the first housing module and can be mounted on or separated from a periphery of the rotating shaft, and as the bobbin is mounted on the first housing module and the second housing module is assembled with the second housing module, the first housing, the spring, the rotating shaft, the power transmission unit, and the bobbin are mechanically connected.