With a plurality of rigid plate-like elements or rigid non plate-like elements

Official title: with a plurality of {rigid} plate-like elements {or rigid non plate-like elements, e.g. with non-slidable, but pivotable or foldable movement}

B60J7/14 (With a plurality of rigid plate-like elements or rigid non plate-like elements) appears on 787 US grants and 803 published applications in this corpus.