| 摘要 |
An infant seat (which is also called an infant carrier) includes a shell, a handle, and a spring. The handle has an arm hub coaxially aligned with, and rotatably attached to, a side hub of the shell. In one design, the side hub has notches, and the arm hub a projection. A spring has a longitudinal axis aligned substantially parallel to the hub axis and is positioned to radially bias the projection into engagement with a rotationally-aligned notch. The handle is movable in a direction substantially perpendicular to the hub axis to disengage the projection from the radially-aligned notch permitting the handle to be rotated to other notches corresponding to other handle positions. In another design, the arm hub has the notches, and the side hub has the projection.
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