Patent ID: 7513407
Filing Date: 2009-04-07
Classification: B25C

Abstract:
1. A counterforce-counteracting device for a nailer, comprising: an active device disposed in the nailer and including an active member and at least one first driving member, the first driving member being located at one side of the active member; a rotating member pivotally disposed in the nailer and moved by the first driving member of the active member; a weight device disposed in the nailer and including a weight member and at least one second driving member, the second driving member being located at one surface of the weight member facing the rotating member and driven by the rotating member; when the active device being moving, the first driving member of the active member driving the rotating member to move, and then the rotating member moving the second driving member of the weight member of the weight device, enabling the active device and the weight device to produce a counterforce, and the weight device being used to produce a counterforce to counteract a counterforce produced by the active device.