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    • 4. 发明授权
    • Collision safety device having a breakaway shear coupling
    • 具有分离剪切耦合的碰撞安全装置
    • US07056056B2
    • 2006-06-06
    • US10903085
    • 2004-07-30
    • Kenneth E. WiegandStuart E. Larsen
    • Kenneth E. WiegandStuart E. Larsen
    • E01F9/18
    • E01F9/635Y10S248/909Y10T403/11
    • A collision safety device having a breakaway coupling. The collision safety device comprises first and second post segments. A first shear plate is attached to the first post segment and a second shear plate is attached to the second post segment. The first shear plate has a first contact surface and the second shear plate has a second contact surface opposite the first contact surface. The first and second shear plates are releasably attached by a breakaway coupling including a band. Friction between the shear plates and strength of the band are adjustable such that the upper post is released from the lower post when subjected to a pre-selected collision force.
    • 具有分离联轴器的碰撞安全装置。 碰撞安全装置包括第一和第二柱段。 第一剪切板附接到第一柱段,并且第二剪切板附接到第二柱段。 第一剪切板具有第一接触表面,第二剪切板具有与第一接触表面相对的第二接触表面。 第一和第二剪切板通过包括带的分离联接件可释放地附接。 剪切板之间的摩擦力和带的强度是可调节的,使得当经受预先选择的碰撞力时,上部柱杆从下部杆被释放。
    • 5. 发明授权
    • Laterally stable vertical panel system
    • 纵向稳定的垂直面板系统
    • US07476051B1
    • 2009-01-13
    • US11011359
    • 2004-12-13
    • Brent M. KulpDavid C. Gertz
    • Brent M. KulpDavid C. Gertz
    • E01F9/18
    • E01F9/573E01F9/692
    • A vertical panel system comprises a vertical panel having a panel with opposing first and second panel surfaces and a base edge. The system further comprises a base having a slot for engaging the base edge of the panel. An aperture is disposed in the panel in proximity to the base edge, which is of sufficient size to receive a foot of a user, for assisting in the engagement of the panel and the base. The base for the vertical panel system comprises a center zone fabricated of vulcanized rubber, and an outer zone fabricated of recycled rubber. The slot is disposed in the center zone. Thus, the combination solves a need to be environmentally responsible and cost effective by recycling rubber which would otherwise fill our landfills, yet provides increased durability by using virgin vulcanized rubber in the zone of the base which includes the engagement slot.
    • 垂直面板系统包括具有面板的垂直面板,该面板具有相对的第一和第二面板表面以及底部边缘。 该系统还包括具有用于接合面板的基部边缘的槽的底座。 在面板中靠近基部边缘设置一个孔口,该底部边缘具有足够的尺寸以容纳使用者的脚,用于帮助面板和底座的接合。 垂直面板系统的底座包括由硫化橡胶制成的中心区域和由回收橡胶制成的外部区域。 槽位于中心区域。 因此,该组合解决了通过回收否则填充我们的垃圾填埋场的橡胶来对环境负责并且具有成本效益的需要,而通过在包括接合槽的基部区域中使用未经处理的硫化橡胶来提供增加的耐久性。