Patent attributes
To enhance ease of assembly and durability, the disclosure provides a wire tightening apparatus including: a bottom part provided with an accommodation groove at an upper surface portion thereof; a reel part rotatably inserted into the accommodation groove; a housing part including a fixing barrier part, a lower end portion of which is fixed to the accommodation groove, an extension part extending inward in a radial direction along an inner circumference of the fixing barrier part and provided with a hollow-type support tube part at a central portion thereof, and an elastic blade portion positioned at an upper portion of the extension part and provided with a ratchet coupling part at an end portion thereof; a vertically moving gear part provided with a ratchet gear protruding from an inner circumference thereof; and a cover part coupled to an upper portion of the vertically moving gear part.
