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    • 7. 发明授权
    • Self-locking bi-foldable load bearing segment
    • 自锁双折承重部分
    • US09027711B2
    • 2015-05-12
    • US13222898
    • 2011-08-31
    • Brendan LonerganMichael R. FursethRandy L. Schamberger
    • Brendan LonerganMichael R. FursethRandy L. Schamberger
    • E06C1/00E06C1/383E06C7/50E06C1/10
    • E06C1/383E06C1/10E06C7/50
    • Self-locking bi-foldable load bearing segments are disclosed that can be used in applications such as ladders or ramp. First and second sections of the segment are foldably coupled to transition between an open configuration and a folded configuration. The first and second sections can include rungs pivotally attached to rails that can be further transitioned from the folded configuration to a collapsed configuration, but not transitioned from the open configuration to the collapsed configuration. Openings in the side walls of the rails allow the rungs to pivot in one direction, but not an opposite direction. In the open configuration, the openings of the first and second sections may be oriented opposite, and the direction of allowed rotation of the rungs of the first section and second section are opposite, restricting compression of the rails together. In the folded configuration, the openings of the first and second sections can be oriented the same to allow rotation of the rungs and compression of the rails together.
    • 公开了可用于诸如梯子或坡道的应用中的自锁双折叠承重节段。 该段的第一和第二部分可折叠地耦合到打开构型和折叠构型之间的过渡。 第一和第二部分可以包括可枢转地连接到轨道的梯级,其可以进一步从折叠构型转变为折叠构型,但是不从开启构型转换到折叠构型。 轨道侧壁上的开口允许梯级在一个方向上枢转,但不是相反的方向。 在打开构造中,第一部分和第二部分的开口可以相对定向,并且第一部分和第二部分的梯级允许的旋转方向相反,限制了轨道的压缩在一起。 在折叠构造中,第一和第二部分的开口可以被定向成相同,以允许梯级的旋转和轨道的压缩在一起。
    • 10. 发明申请
    • ERGONOMIC LIGHTWEIGHT CLIMBING STICK
    • 人体轻型气垫
    • US20120125715A1
    • 2012-05-24
    • US13048457
    • 2011-03-15
    • Michael R. FursethRandy L. SchambergerBenjamin T. Nelson
    • Michael R. FursethRandy L. SchambergerBenjamin T. Nelson
    • E06C1/06B21C23/00B23P11/00E06C7/50
    • E06C7/081E06C1/381E06C7/082Y10T29/49963
    • A modular tree climbing ladder including a support member, at least one stabilizing bracket secured to the support member, and a pair of steps pivotally secured to the support member. The support member includes a front piece and a rear piece configured to form two channels that oppose one another and form an interior angle of less than 180 degrees. The steps are each pivotally secured to the support member within one of respective said opposing channels such that each of said steps oppose one another and form an angle equal to said interior angle. The steps are independently rotatable from a vertical (or storage) position to a horizontal (or operational) position. The steps include a stepping surface and are secured to said support member such that respective stepping surfaces are coplanar when both steps are in the horizontal position. The modular tree climbing ladder can further include a securing belt mounting bracket that is secured to the support member.
    • 包括支撑构件,固定到支撑构件的至少一个稳定支架的模块化爬梯,以及枢转地固定到支撑构件的一对台阶。 支撑构件包括前部件和后部件,其构造成形成彼此相对并形成小于180度的内部角度的两个通道。 这些台阶各自枢轴地固定到相应的所述相对通道内的一个中的支撑构件,使得每个所述台阶彼此相对并形成等于所述内角的角度。 这些步骤可以从垂直(或存储)位置独立地旋转到水平(或操作)位置。 这些步骤包括步进表面并且固定到所述支撑构件,使得当两个台阶处于水平位置时相应的踏面是共面的。 模块化爬梯可以进一步包括固定在支撑构件上的固定带安装支架。