公开(公告)号：US5588257A

公开(公告)日：1996-12-31

申请号：US295272

申请日：1994-08-24

申请人： Dean C. Duhame ,  Richard P. Spens ,  Dana Lowell ,  Chin-Feng Chan ,  Ming-Hwa Shou

发明人： Dean C. Duhame ,  Richard P. Spens ,  Dana Lowell ,  Chin-Feng Chan ,  Ming-Hwa Shou

IPC分类号： E05F15/16 ,  E05F11/00

CPC分类号： E05F15/668 ,  E05D15/38 ,  E05F15/673 ,  F16H25/24 ,  E05D2015/225 ,  E05Y2201/434 ,  E05Y2201/696 ,  E05Y2800/108 ,  E05Y2900/106

摘要： A door operator for garage doors is provided which includes a motor, a multiple segmented drive screw and a traveler coupled to and reciprocating along the multiple segmented drive screw. The drive screw segments have non-circular ends which are slidably coupled to each other through a complementary sleeve. Springs are used to bias the screw segments toward one another. The traveler includes a lubricating pad for lubricating the drive screw as it passes along.

摘要翻译： 提供车库门的门操作者，其中包括马达，多分段驱动螺丝和联接到多分段驱动螺杆并沿其往复运动的滑轮。 驱动螺杆段具有通过互补的套筒彼此可滑动地联接的非圆形端部。 弹簧用于将螺钉段彼此偏置。 旅行者包括润滑垫，用于在驱动螺杆通过时润滑驱动螺杆。