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    • 1. 发明授权
    • Spring winder support for door counterbalance system
    • 弹簧络筒机支撑门平衡系统
    • US6125582A
    • 2000-10-03
    • US313460
    • 1999-05-17
    • Joseph J. MondragonLeRoy G. KrupkeMichel BeaudoinRichard K. HoofardErin J. Bittner
    • Joseph J. MondragonLeRoy G. KrupkeMichel BeaudoinRichard K. HoofardErin J. Bittner
    • E05F11/00
    • E05D13/1261E05Y2900/106
    • A counterbalance system for an upward acting door includes spaced apart wall brackets supporting a tubular shaft for spaced apart cable drums operable to wind counterbalance cables thereon to counterbalance the weight of the door. Torsion springs interconnect the cable drums and spring winder tubes sleeved over the springs and connected to the wall brackets by a winder mechanism including a support plate having spaced apart tabs adapted to register in corresponding slots formed in a wall bracket. The winder mechanism includes a worm gear drive including a ring gear which is connected to one end of the winder tube by an arrangement of radially inwardly projecting key portions in a bore of the ring gear which register with axial grooves formed in the winder tube and are adapted to slide into transverse slots intersecting the grooves. A removable lock pin is engageable with the ring gear or the worm of the worm gear drive. The overall arrangement of the winder mechanism, including the wall bracket, support plate, and connection between the ring gear and winder tube facilitate ease of fabrication, assembly and disassembly.
    • 用于向上作动的门的平衡系统包括间隔开的壁支架,其支撑用于间隔开的电缆鼓的管状轴,其可操作以在其上缠绕平衡电缆以抵消门的重量。 扭转弹簧将电缆滚筒和弹簧卷绕管互相连接,弹簧卷绕管套在弹簧上,并通过卷绕机构连接到壁托架,该卷绕机构包括支撑板,该支撑板具有适于对准适合于对准形成在壁托架中的相应槽中的间隔开的凸片。 卷绕机构包括蜗轮传动装置,其包括齿圈,该齿圈通过在齿圈的孔中的径向向内突出的键部分的布置连接到卷绕管的一端,该轴环与形成在卷绕管中的轴向槽对准, 适于滑入与沟槽相交的横向狭槽。 可拆卸的锁销可与齿圈或蜗轮传动的蜗杆接合。 卷绕机构的整体结构,包括壁支架,支撑板以及环形齿轮和卷绕管之间的连接,便于制造,组装和拆卸。