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    • 9. 发明授权
    • Auto-folding tray support
    • 自动折叠托盘支持
    • US08733713B1
    • 2014-05-27
    • US13555302
    • 2012-07-23
    • Gregory LeysockFrederick Bosnakovic
    • Gregory LeysockFrederick Bosnakovic
    • F16M11/38
    • F16M11/245
    • An auto-folding tray support having a central column, a lower portion of the column being slidable in a central lower member, at least three support legs each pivotally connected at a respective mid-section to the central column above the lower member, a rigid link associated with each leg, each link being pivotally connected adjacent opposite ends of the link to the lower member and to a lower part of a respective leg, pivot connections of the links being arranged such that said lower parts of the legs are automatically spread from the central column when the central column is lowered into the lower member and are automatically drawn towards the central column when the central column is lifted relative to the lower member.
    • 具有中心柱的自动折叠托架支撑件,该柱的下部可在中央下部构件中滑动,至少三个支撑腿,每个支撑腿各自中间部分枢转地连接到下部构件上方的中心柱,刚性 连接件与每个支腿相关联,每个连杆都可相对于连杆的相对端部枢转地连接到下部部件和相应支腿的下部,连杆的枢转连接被布置成使得所述腿部的下部部分自动地从 当中心柱下降到下部构件中时中心柱,并且当中心柱相对于下部构件升高时自动地向中心柱拉伸。