| 摘要 |
A wheel member for override and a door lock using the same are provided to withdraw a latch bolt and a dead bolt once when rotating an inner handle by linking a connection piece of the inner handle with a square shaft. A door lock using a wheel member(10) for override comprises a case, a latch bolt(130) and a dead bolt(120), a lock lever(140), spindle cams(161), a mortise box(101), and inner and outer handles(200,300). The case includes holes(111,112) for the lath bolt and the dead bolt. The latch bolt and the dead bolt moves back and forth through the hole of the case. The lock lever is linked to the dead bolt. A square shaft(141) passes through the center of the lock lever. The spindle cams are installed two sides of the lock lever and provided with connection holes(161a) at the edge. The mortise box has a V lever which reciprocates the latch bolt. The inner and outer handles are installed at two sides of the mortise box, and provided with connection pieces(210) combined to the connection holes of the spindle cams. The wheel member includes a square shaft hole(20) formed at the center, and slots(30) formed at the edge though which the connection piece of the inner handle passes. As the inner handle rotates in a direction, the square shaft is rotated once, thereby withdrawing the dead bolt and the latch bolt at the same time.
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