UNLOCKING APPARATUS TO RECOGNIZE PUNCHED CARD KEY IN ONLY KEY PUSH TYPE

摘要

The present invention relates to an unlocking apparatus to recognize a punched card key in only a key push type, capable of simplifying a structure. According to the present invention, the unlocking apparatus comprises: a housing unit formed with a rectangular body; a guide unit fixed on both side surfaces of the housing unit to form a guide groove; a moving unit including a pin body elastically installed on a rear side with a gear shaft formed in a rear center in order to move forward and backward along the guide groove of the guide unit inside the body of the housing unit by a punched card, a slide block inserted into and fixed on both sides of the upper side of the pin body to be able to lift/lower the slide block, and a pin body cover having a moving groove formed in a center and having a locking bar protruding from the upper center of front and rear sides; a recognition unit having a pin plate embedded in both sides inside the pin body of the moving part and having a plurality of recognition pins elastically installed on the bottom surface of the pin body cover in the upper side of the pin plate to recognize the punching dept of the punched card; an operation unit elastically installing the slide body horizontally sliding in the pin body in accordance with a recognition result of the recognition pin of the recognition unit to the locking bar on the front and rear sides of the pin body, and adjusting the width of the operation pin by sliding of the slide body; an unlocking unit having a rotational shaft axially installed in a rotational shaft block to allow the operation pin to be in contact with the rotational shaft so as to be opened or closed by recessing the operation pin of the operation unit; and display unit having a connection bar moving forward and backward by the rotational shaft of the unlocking unit and moving a display block connected to the connection bar to indicate opening or closing.;COPYRIGHT KIPO 2018