| 摘要 |
A LOCK INCLUDES A BOX(10) INCLUDING A HOLE (11) DEFINED THROUGH THE SIDE PLATE AND A PIN (12)PROJECTING FROM A CENTER OF THE FRONT PLATE. A LATCH (20) IS INSERTABLE THROUGH THE HOLE(11). A LATCH-CARRYING STRIP(22) IS JOINED WITH THE LATCH(20). A TENSION SPRING (70)IS CONNECTED BETWEEN THE FRONT PLATE AND THE LATCH-CARRYING STRIP(22), BIASING THE LATCH (20)FROM THE BOX(10). A HANDLE-ENGAGING STRIP(40) INCLUDES FIRST AND SECOND TABS (42,44) PROJECTING THEREFROM. THE LEFT BRANCH OF A TUMBLER-ENGAGING STRIP (30) IS PIVOTABLY CONNECTED WITH THE LATCH-CARRYING STRIP(22). A SECOND TORQUE SPRING (74)IS CONNECTED BETWEEN THE LATCH-CARRYING STRIP (22)AND THE TUMBLER-ENGAGING STRIP(30). A CONCAVE EDGE(34) IS FORMED BETWEEN THE LEFT AND RIGHT LOWER BRANCHES.THE POINTED PROTRUSION (36)DOES NOT STAY ON THE PIN(12) DURING OPERATION OF THE LOCK. (FIG. 1)
|
