公开(公告)号：US5666833A

公开(公告)日：1997-09-16

申请号：US361186

申请日：1994-12-21

申请人： Sheen-Youl Gao ,  Rong-Faa Wu ,  Ming-Shyang Chiao ,  Cheng-Wen Lai ,  San-Yi Lin ,  Ching-Chuan Kuo ,  Lan-Kun Don

发明人： Sheen-Youl Gao ,  Rong-Faa Wu ,  Ming-Shyang Chiao ,  Cheng-Wen Lai ,  San-Yi Lin ,  Ching-Chuan Kuo ,  Lan-Kun Don

IPC分类号： E05B3/06 ,  E05B13/10

CPC分类号： E05B3/065 ,  Y10S292/61 ,  Y10T292/57 ,  Y10T70/5832

摘要： A reinforcing apparatus for a lever handle of a door lock includes a housing fixed to a door and provided around a driving shaft of the door lock. The housing has a wall transverse to the driving shaft. The wall has a hole formed therethrough for passage of the driving shaft. A rotary member is mounted in the housing for rotating simultaneously with the driving shaft. The rotary member is sleeved on the driving shaft and has an engaging plate which projects axially from an outer peripheral edge thereof. A coiled spring is provided around the rotary member for biasing the rotary member to return and maintain the lever handle at its original unoperated position after the rotary member is rotated by the lever handle. The coiled spring has two legs extending radially outwardly to abut against the engaging plate. One of the legs is displaceable by the engaging plate. The housing further includes a stopping unit provided on the wall thereof. The stopping unit is aligned radially with and is located outwardly of the engaging pate when the lever handle is in the unoperated position. The other one of the legs is kept immobilized by the stopping unit when the rotary member rotates.

摘要翻译： 用于门锁的把手的加强装置包括固定到门并围绕门锁的驱动轴设置的壳体。 壳体具有横向于驱动轴的壁。 壁具有穿过其形成的通孔用于驱动轴的通过。 旋转构件安装在壳体中以与驱动轴同时旋转。 旋转构件套在驱动轴上，并且具有从其外周边缘轴向突出的接合板。 旋转构件周围设置有用于偏置旋转构件的螺旋弹簧，以在旋转构件通过杆手柄旋转之后使杠杆手柄返回并保持在其原始未操作位置。 螺旋弹簧具有径向向外延伸以抵靠接合板的两个腿。 腿中的一个可由接合板移动。 壳体还包括设置在其壁上的止动单元。 当杠杆手柄处于未操作位置时，止动单元与接合孔的径向对准，并且位于接合孔的外侧。 当旋转构件旋转时，另一个腿由止动单元保持固定。