| 摘要 |
Movements of objects are restricted by a device having a housing unit having a first face wall portion and a second face wall portion and having side wall portions which extend between and are integral with the face wall portions so that the wall portions define an exterior housing wall surface and an interior housing wall surface which defines a housing unit cavity and having an opening which extends from the exterior wall surface through the interior wall surface and into the cavity. A reciprocable member having a first face wall portion and a second face wall portion and having side wall portions which extend between and are integral with the reciprocable member face wall portions and which is configured and positioned for reciprocable movement from and between a position where substantially all of the reciprocable member is contained by the housing unit within the cavity, to a position where the reciprocable member is extended from the housing unit so that less than substantially all of the reciprocable member is contained by the housing unit within the cavity. The device may be affixed to the seat portion of a vehicle seat, or contained in the seat portion, or it may be positioned below the seat portion for extending above and transversely with respect to the seat portion and substantially parallel to the back portion of a vehicle seat.
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