Patent ID: 7530482
Filing Date: 2009-05-12
Classification: B25C

Abstract:
1. A protection device of a nail driver for preventing from triggering in a state of ineffective actuation, comprising: a trigger device including a trigger, a trigger sheet, and an ejecting rod; the trigger being installed at an inner side of the body of the nail driver; the trigger sheet being a sheet like body; a center of the trigger sheet resting upon the ejecting rod; a lower end of the trigger sheet being elastically pivoted to an inner side of the trigger; thus, the trigger sheet elastically resisting against the ejecting rod; therefore, when the trigger is pressed, the trigger sheet will drive the ejecting rod to pivotally rotate; a safety device including a sliding unit, and a driving rod; the sliding unit being slideably installed at a lower side of the nail driver body; one end of the sliding unit extending to a shooting head of the nail driver; the driving rod being elastically pivoted at another end of the sliding unit; the driving rod is a unidirectional confinement structure, wherein when no external force is applied to the safety device, and the trigger is actuated, the trigger sheet will eject the ejecting rod to push the driving rod, and drive the sliding unit to move forwards, when it move through a predetermined distance, the trigger sheet will separate from the driving rod; thus the trigger is not actuated; by the unidirectional confinement function of the driving rod, the restoration of the trigger sheet will not be hindered by the driving rod.