| 摘要 |
PURPOSE: A cap tightening tool is provided to easily tighten a cap as a joining part of a tightening belt strap hangs on the outer surface of the cap. CONSTITUTION: A cap tightening tool(1) comprises a handle(10) and a tightening belt strap(20). The handle comprises a belt charging groove(11), a belt moving groove(13), a projection chamber(12), and a saw-toothed uneven portion(15). The belt moving groove is vertically connected to the belt charging groove. The projection chamber is formed at the inner end of the belt charging groove. The saw-toothed uneven portion is formed outside the belt moving groove. The projection(22) of the tightening belt strap is integrally formed on one end of a rubber belt strap, and fitted in the projection chamber. The rubber belt strap is connected to the belt charging groove, and connected to the lower part of the belt moving groove from the upper part. A tightening ring(23) is formed in between the belt charging groove and the belt moving groove. |
