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    • 2. 发明授权
    • Balance system for laterally biased sash guides
    • 侧向偏斜框架导轨平衡系统
    • US5119592A
    • 1992-06-09
    • US632107
    • 1990-12-20
    • Norman R. WestfallWilliam P. NewtonJohn I. HabbersettJohn T. Forbis
    • Norman R. WestfallWilliam P. NewtonJohn I. HabbersettJohn T. Forbis
    • E05D15/22
    • E05D15/22E05D13/1207E05Y2900/148
    • Counterbalance mechanisms for a vertically movable sash have components extending downward within guides on which the sash moves. The guides can move laterally of the sash to allow the sash to tilt and be removed from the window, and the counterbalance components are arranged within the guides to accommodate such lateral movement. Slots in the guides accommodate interconnections between counterbalance components within the guides and the sash running vertically against outward surfaces of the guides, and these interconnections also allow lateral movement of the guides and tilting of the sash. The guides are mounted on window jambs by resilient elements that bias the guides into engagement with sash grooves and also accommodate lateral movement of the guides out of the sash grooves, to allow the sash to tilt.
    • 用于可垂直移动的窗框的平衡机构具有在窗扇移动的导向器内向下延伸的部件。 引导件可以在窗框的横向上移动,以允许窗扇倾斜并从窗口移除,并且平衡部件布置在引导件内以适应这种横向移动。 导轨中的插槽可容纳引导件内的平衡部件与引导件向外垂直运动的窗扇之间的互连,并且这些互连还允许引导件的横向移动和窗扇的倾斜。 引导件通过弹性元件安装在窗口上,所述弹性元件将引导件偏置成与窗扇槽接合,并且还适应引导件从窗框槽的横向移动,以允许窗扇倾斜。
    • 10. 发明授权
    • Spring coupler for block and tackle window balance system
    • 弹簧联轴器用于阻挡和滑动窗户平衡系统
    • US4672713A
    • 1987-06-16
    • US892371
    • 1986-08-04
    • William P. NewtonRobert S. Flight
    • William P. NewtonRobert S. Flight
    • E05F1/00E05F1/08
    • E05D13/1207E05Y2900/148Y10T16/64
    • A coupler connects end regions of different sizes of coiled tension springs 30 and 40 to components of block and tackle window balance systems 10. Each coupler 15, 20, or 25 has a snug fit within terminal coils 41 of the strongest spring 40 having the smallest inside diameter, and weaker spring 30 with a larger inside diameter has its terminal coils 31 necked down to fit the coupler. The coupler has a notch or opening with an abrupt edge 18, 22, or 28 axially spaced from an end of the coupler so that the notch is at least twice as long as the largest wire diameter used in the coil springs. At least one of the terminal coils of each spring is indented into the notch or opening in the coupler to a depth of more than one-half the wire diameter so that the indented coil interlocks with edge 18, 22, or 28 and keeps the spring from slipping off the coupler.
    • 耦合器将不同尺寸的卷绕的拉伸弹簧30和40的端部区域连接到块和滑车窗平衡系统10的部件。每个联接器15,20或25具有紧密配合在最强弹簧40的端子线圈41内,具有最小的 内径较大且内径较大的较弱弹簧30的端子线圈31颈缩以配合联接器。 联接器具有凹口或开口,其具有与联接器的端部轴向间隔开的突出边缘18,22或28,使得切口至少是螺旋弹簧中使用的最大线直径的两倍。 每个弹簧的至少一个端子线圈在耦合器中的凹口或开口中凹入到电线直径的大于二分之一的深度,使得凹入线圈与边缘18,22或28互锁并保持弹簧 从联轴器滑落。