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    • 2. 发明授权
    • Folding seat
    • 折叠座椅
    • US5658047A
    • 1997-08-19
    • US461388
    • 1995-06-05
    • Clifton J. RatzaRoger J. QuinlanJames J. Betcher
    • Clifton J. RatzaRoger J. QuinlanJames J. Betcher
    • B63B29/04B60N2/24
    • B63B29/04B60N2/206B60N2/686B60N2/7005
    • A foldable seat includes a seat member having a pair of generally upwardly opening elongate slots, and a backrest having a pair of hingeblades received with the slots. The hingeblades are pivotally connected to the seat member for rotation about a pivot axis. The hingeblades include bearing surfaces which engage stop surfaces located inside the slots on the seat member to prevent backward rotation of the backrest beyond the normal upright position. The pivot axis, bearing surfaces and stop surfaces are all located below the upper seating surface of the seat member and forward of the rear edge thereof, so that major pinch points are generally inaccessible, whereby the risk of injury on account of inadvertent placement of a finger between the bearing surfaces of the hingeblades and the stop surfaces of the seat member are substantially eliminated. A lockbar for holding the backrest in a folded position is included, along with various upholstery options and a backrest cover allowing use of the backrest as a work surface when in folded position.
    • 可折叠座椅包括具有一对大致向上开口的细长狭槽的座椅构件,以及具有一对容纳有槽的铰链刀片的靠背。 铰链刀片枢转地连接到座椅构件以围绕枢转轴线旋转。 铰链刀片包括轴承表面,其接合位于座椅构件上的槽内的止动表面,以防止靠背反向旋转超过正常直立位置。 枢转轴线,轴承表面和止动表面都位于座椅构件的上座面的下方,并在其后边缘的前方,因此主要的夹点通常是不可接近的,由此由于无意中的放置造成伤害的风险 基本上消除了铰链刀片的支承表面和座椅构件的止动表面之间的手指。 包括用于将靠背保持在折叠位置的锁定杆,以及各种装饰选项和靠背盖,其允许在折叠位置使用靠背作为工作表面。