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    • 5. 发明申请
    • APPARATUS FOR INSTALLING EXPLOSIVELY DRIVEN FASTENERS
    • US20210260740A1
    • 2021-08-26
    • US16797787
    • 2020-02-21
    • Joe LinBRIAN LIU
    • Joe LinBRIAN LIU
    • B25C1/08
    • A spring tool for actuating explosive fasteners for driving nails into a substrate is disclosed. For the tool to operate at its maximum potential the firing pin guide should be pushed securely against the rear of the fastener and the tip of the fastener should be pushed securely against the substrate. The action of the operator pushing the tool forward to actuate the tool moves the trigger body forward while compressing the firing spring until the trigger body travels the exact distance needed to release the trigger ball. A step or backstop insert is added to the inside of the trigger body. The step is designed such that at the exact distance where the trigger ball is released, the step contacts the rear of the firing pin guide. The firing pin guide cannot move backwards. The stop allows all internal components to form a solid (contacting) stack, from the tip of the pin assembly to the end cap, the forward pressure of the operator actuating the tool keeps the tip of the pin assembly pressed firmly against the substrate while the firing pin impacts the load.
    • 10. 发明授权
    • Stilt system
    • 高跷系统
    • US5645515A
    • 1997-07-08
    • US504378
    • 1995-07-19
    • William D. ArmstrongJoe Lin
    • William D. ArmstrongJoe Lin
    • A63B25/00A63B25/02
    • A63B25/00
    • An improved spring-loaded parallelogram stilt. An improved leg support attachment is provided in which the leg support is attached by a capturing bracket to the rearward vertical support. A nut and bolt pass through the capturing bracket, the bottom of the leg support and through a plastic block captured within the inside of the hollow tubular vertical leg support. A yoke structure is provided at the shoe platform level for providing further connection and adjustable support for the leg support. The yoke structure is of two pieces which surround the tubular leg support and has an inner surface made of a resilient material. The yoke structure is slidably engaged with a slot in a bracket attached to the outside of the shoe platform. The lower leg support attachment employing the capturing bracket and the yoke structure serve to prevent the leg support from accidentally becoming detached from the stilt. Improved straps are also provided, made of a suitable belt or strap material and have on the surface of the straps or belts hook and loop fastening material. The hook and loop fastening material is arranged on the surface of the straps such that multiple folds of the material create a firm, yet readily adjusted and released, attachment of the straps. This is achieved by having one flap of the strap having loop fastening material on both sides. The remaining surfaces of the strap are covered with hook fastening material. A gap or space is provided between the different fastening material patches so that fold lines are created in which a fastening buckle is engaged. The length of the strap is adjusted using an adjustment buckle.
    • 一个改进的弹簧加载平行四边形高跷。 提供了一种改进的腿支撑附件,其中腿支撑件通过捕获支架附接到后垂直支撑件。 螺母和螺栓穿过捕获支架,腿的底部支撑并穿过中空管状垂直腿支撑件内部的塑料块。 轭架结构设置在鞋平台上,用于为脚支撑提供进一步的连接和可调支撑。 轭结构是包围管状腿部支撑件的两个部件,并且具有由弹性材料制成的内表面。 轭结构可滑动地与固定在鞋平台外侧的托架中的狭槽接合。 使用捕获支架和轭结构的小腿支撑附件用于防止腿部支撑件意外地从高跷脱离。 还提供了改进的带子,由合适的带或带材料制成,并且在带或带的钩和环紧固材料的表面上具有。 钩和环紧固材料布置在带的表面上,使得材料的多个褶皱产生牢固且易于调节和释放的带的附着。 这通过在两侧具有环紧固材料的带的一个翼片来实现。 带子的其余表面用钩紧固材料覆盖。 在不同的紧固材料贴片之间设置有间隙或空间,从而产生折叠线,紧固带扣在其中。 使用调节扣来调节带的长度。