Patent ID: 7665162

Claim:
Kit for assembling structures useful for infants, comprising a plurality of cross-members, bars and corner modules, wherein: each said bar comprises at least one upright having spacer elements at longitudinal ends thereof; each said cross-member comprises a longitudinal open channel, extending uniformly from one longitudinal end thereof to another longitudinal end thereof, for engaging a plurality of said bars at one end thereof therewith, said channel configured for receiving therein a corresponding plurality of said spacer elements in series, each said cross-member being formed with a first engagement element at each longitudinal end thereof; and each said corner module comprising second engagement elements, and configured for clamping together at least two said cross-members thereto by engagement of said first engagement element of each of said at least two cross-members within said second engagement elements independently of said spacer elements, and wherein said corner modules are further configured for retaining said spacer elements longitudinally with respect to said channel of each of said at least two cross-members.