| 摘要 |
PURPOSE: A hole fixing device is provided to control adhesion force in the light of the adhesion force of an object to be fixed. CONSTITUTION: In a hold fixing device, a nut, a pin, and a ring are sequentially inserted in a hole. When the nut is fastened by a male screw, the pin is pushed to widen the ring. Accordingly, the pin is coupled to the ring. The nut, the pin, and the ring are manufactured by cutting, casting, injection-molding, press, and others. [Reference numerals] (AA) Bolt; (BB) Tension extension |
