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    • 4. 发明申请
    • ROLLING TRANSPORT COTS
    • 滚动运输工具
    • US20150001871A1
    • 2015-01-01
    • US14312964
    • 2014-06-24
    • Ferno-Washington, Inc.
    • Akira WatanabePavol GrafMichal Vacula
    • A61G1/02
    • A61G1/0237A61G1/0212A61G1/0262A61G1/0287A61G1/0293A61G1/056
    • In one embodiment, a rolling transport cot may include an elongate frame, one or more support linkages, an arcuate coupling member, and a swivel caster. The one or more support linkages may include a pivoting link that is in rotatable engagement with the elongate frame, a traveling link that is in sliding and rotatable engagement with the elongate frame, and an equalizing link that is in rotatable engagement with the traveling link. The arcuate coupling member can be in rotatable engagement with the pivoting link and the equalizing link. The swivel caster may include a wheel that rotates along a surface and a swivel mechanism that can rotate around an axis that is aligned with the surface at a swivel angle φ. When the traveling link is urged along the elongate frame, the swivel angle φ of the swivel mechanism can be substantially constant.
    • 在一个实施例中,滚动传送床可以包括细长框架,一个或多个支撑连杆,弧形联接构件和旋转脚轮。 一个或多个支撑连杆可以包括与细长框架可旋转接合的枢转连杆,与细长框架滑动并可旋转接合的行进连杆,以及与行进连杆可旋转接合的均衡连杆。 弓形联接构件可以与枢转连杆和平衡连杆可旋转地接合。 旋转脚轮可以包括沿着表面旋转的轮和可以围绕与旋转角度&phgr的表面对齐的轴线旋转的旋转机构。 当沿着细长框架推动行进连杆时,旋转角& 的旋转机构可以是基本恒定的。