Nail guider and nailing device having the same

A nail guider, used for being disposed in a nailing device with a nail track and positioned in front of the nail track, the nail guider comprising:

• a guiding board, positioned in front of the nail track vertically, having a first surface and a second surface, the first surface being opposite to the second surface, the first surface facing the nail track, the guiding board having at least a vertical penetrating slot thereon, the penetrating slot penetrating the first surface and the second surface of the guiding board;
• at least an assisting member, the assisting member corresponding to the penetrating slot, the assisting member being inserted in the penetrating slot, the assisting member can slide forwardly and backwardly in the penetrating slot, the assisting member having an assisting end and a pushing end, the assisting end protruding out of the first surface selectively, the pushing end being located at the second surface, the assisting member further comprising at least an assisting surface, the assisting surface being parallel to the nailing track, the assisting surface being used for straightening up nails;
• and
• a pushing means for pushing the pushing end elastically, for causing the assisting end having a tendency of protruding out of the first surface;
• wherein the penetrating slot has an upper flat guiding face and a lower flat guiding face opposite to each other, the assisting end has an upper flat guided face, a lower flat guided face opposite to the upper flat guided face and a stopping face extending upwardly from the upper flat guided face, the assisting end is normally located within the penetrating slot, the upper and lower flat guided faces are closely parallel and correspond respectively to the upper and lower flat guiding faces, the stopping face abuttably faces the second surface of the guiding board, the assisting end moves linearly along and through the penetrating slot and is stopped when the stopping face abuts against the second surface.