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    • 1. 发明授权
    • Child swing chair
    • 儿童秋千椅
    • US07892101B1
    • 2011-02-22
    • US12175543
    • 2008-07-18
    • William WeiszBrian Henry
    • William WeiszBrian Henry
    • A63G9/02A63G9/00
    • A63G9/00A47D13/105
    • A child swing chair provides a seat and a rigid harness operably connected thereto which can move from a loaded to an unloaded configuration for ingress and egress from the seat by a user. When the harness is secured relative to the seat, the swing chair preferably passes a rigid bounded opening test as defined by Standard F1487, Paragraph 6.1.1 and the a partially bounded opening test as defined by Paragraphs 6.1.4 of the ASTM Standard in at least some embodiments. In some embodiments, the rigid harness can be supported in an unloaded configuration whereby the harness is in a position allowing for ingress and egress until a predetermined force is overcome to move the harness towards the loaded configuration.
    • 儿童摇椅提供了一个可操作地连接到其上的座椅和刚性线束,其可以从加载状态移动到用户进入和离开座椅的卸载配置。 当线束相对于座椅固定时,摆椅优选地通过标准F1487第6.1.1段所定义的刚性有限开口试验,以及ASTM标准第6.1.4段定义的部分有限开口试验 至少一些实施例。 在一些实施例中,刚性线束可以被支撑在无负载构型中,由此线束处于允许入口和出口的位置,直到克服预定的力以将线束朝向负载的构造移动。
    • 5. 发明授权
    • Needle design and clamping system
    • 针设计和夹紧系统
    • US4421041A
    • 1983-12-20
    • US309296
    • 1981-10-07
    • William Weisz
    • William Weisz
    • D05B55/02D05B85/02
    • D05B55/02
    • A needle design and retention system in which the sewing needle is formed with a locator portion at the end of the shank that is substantially normal thereto. The locator portion may be parallel to the axis of the thread carrying eyelet and the sewing needle or may form a known angle with the plane including the needle axis and the axis of the thread carrying eyelet. The locator portion of the sewing needle extends through a transverse aperture in an enlarged end in a slabbed rod affixed to the sewing machine needle bar. The enlarged end is also grooved to accommodate a portion of the shank. A clamping sleeve is provided having an axially aligned aperture which surrounds the enlarged end of the slabbed rod and the sewing needle shank to retain the sewing needle affixed thereto. The clamping sleeve is provided with a counterbore which receives a coil spring which encircles the rod and is captured between the bottom of the needle bar and the ends of the counterbore. The clamping sleeve may be elevated against the pressure of the coil spring to enable insertion or removal of the sewing needle with the locator portion in the transverse aperture in the end of the rod and the shank in the groove therein. The clamping sleeve is automatically returned to a retaining position by the coil spring.
    • 针设计和保持系统,其中缝纫针形成有在柄的端部处的基本正常的定位器部分。 定位器部分可以平行于螺纹承载孔眼和缝纫针的轴线,或者可以与包括针轴线和螺纹承载孔眼的轴线的平面形成已知的角度。 缝纫针的定位部分延伸穿过固定在缝纫机针杆上的平板杆中的放大端的横向孔。 扩大的端部也是开槽以容纳柄的一部分。 提供夹紧套筒,其具有轴向对齐的孔,其围绕平板杆的扩大端和缝纫针柄以保持固定在其上的缝合针。 夹紧套筒设置有沉孔,该沉孔容纳环绕杆的螺旋弹簧,并被捕获在针杆的底部和沉孔的端部之间。 夹紧套筒可以相对于螺旋弹簧的压力升高,以便能够插入或移除缝纫针,定位器部分在杆的端部中的横向孔中,并且其中的槽中的柄部。 夹紧套筒通过螺​​旋弹簧自动返回到保持位置。
    • 6. 发明授权
    • Needle guard for sewing machine
    • 缝纫机针卫
    • US3955519A
    • 1976-05-11
    • US583148
    • 1975-06-02
    • William Weisz
    • William Weisz
    • D05B55/06D05B57/14D05B63/04
    • D05B63/04D05B55/06D05B57/143
    • This disclosure relates to needle guards for rotary loop takers in sewing machines and has for its purpose prevention of interference between the needle and the loop seizing beak of the rotary loop taker during the sewing operation. A needle guard is provided which is substantially annular and open ended and is resiliently supported within the body of the loop taker. One leg of the needle guard is disposed in the region of the loop seizing beak of the loop taker and in the region of the needle path so that the needle if proceeding toward the loop seizing beak upon penetration of the fabric, will be deflected away from the loop seizing beak and toward the center of the loop taker body. An adjustable anchoring means is provided for the one leg of the needle guard for adjusting the relative position of said one leg relative to the loop seizing beak. The needle guard itself is formed from a resilient wire such that it may be readily snapped in and out of the loop taker body for easy replacement if warranted by unusual wear conditions.
    • 本公开涉及缝纫机中的旋转回路接收器的针头保护装置,并且其目的是防止在缝纫操作期间针和回转接头的环的咬合钩之间的干涉。 提供了一种针头保护罩,其基本上是环形和敞开的,并且弹性地支撑在回路接收器的主体内。 针护罩的一条腿设置在环路接收器的环的咬合区域中并且在针路径的区域中,使得针头如果在织物穿透时进入环路抓住喙,将偏离 戒指抓住喙并朝向戒指身体的中心。 为针护罩的一条腿提供可调整的锚定装置,用于调整所述一条腿相对于环形抓住喙的相对位置。 针护罩本身由弹性线形成,使得如果由不寻常的磨损条件保证,则可以容易地将其扣入和离开取环体。
    • 10. 发明授权
    • Presser bar biasing spring structure
    • 压杆偏压弹簧结构
    • US4342272A
    • 1982-08-03
    • US81404
    • 1979-10-03
    • James A. TransueWilliam Weisz
    • James A. TransueWilliam Weisz
    • D05B29/02
    • D05B29/02
    • A tension spring concentric with the presser bar pulls the presser foot down against the work. The spring is threaded onto two holders, each of which fits around the presser bar. The first holder is attached to the presser bar near its upper end but the second allows the presser bar to slide within it. The second holder is slidably attached to a bracket and controlled by a presser bar pressure regulating cam to slide up and down in the bracket and thereby change the tension in the spring to exert a controlled force on the presser foot. The first holder is also slidably mounted in the bracket, and is controlled by a lever that has a lifting cam linked to the first holder. When the lever is lifted, the first holder is lifted to raise the presser bar and presser foot away from the work. This extends the spring, which urges the presser foot back down against the work as soon as the lever is lowered.
    • 与压脚同心的拉伸弹簧将压脚向下拉以抵抗工件。 弹簧螺纹连接到两个支架上,每个支架围绕压杆安装。 第一个保持器在其上端附近固定在压脚上,但第二个保持器可以使压杆在其内滑动。 第二保持器可滑动地附接到支架并由压杆压力调节凸轮控制,以在支架中上下滑动,从而改变弹簧中的张力,以在压脚上施加受控的力。 第一保持器也可滑动地安装在支架中,并且由具有连接到第一保持器的提升凸轮的杠杆控制。 当升降杆时,第一支架被抬起以使压脚杆和压脚远离工件。 这样一来弹簧就会弹起,一旦杠杆下降,这个弹簧推动压脚靠在工件上。