Patent ID: 9723925
Date: 2017-08-08
CPC Classifications: A47B,A47F,F16B

Claim:
1. A post arrangement for a shelving apparatus which comprises a supporting frame, comprising: a plurality of foldable posts for detachably coupling with the supporting frame to form the shelving apparatus, each of said foldable posts comprising at least an upper post member, at least a lower post member, and at least a post joint connecting said upper and lower post members to form said respective foldable post such that said upper and lower post members are capable of being selectively unfolded and extended rigidly in an end-to-end and vertically oriented manner and folded pivotally in a side-by-side manner, wherein each of said upper and lower post members has a first post wall and a second post wall extended from said first wall at an angle, wherein said post joint provides an interlock unit that interlocks upper and lower post members with each other end-to-end, and a pivot hinge pivotally coupled to said second post walls of said upper and lower post members, wherein when said upper and lower post members are pivotally moved end-to-end, said upper and lower post members are interlocked and coupled with each other end-to-end, wherein said interlock unit comprises an engaging tongue extended from an end portion of said first post wall of said upper post member and an engaging groove provided at an end portion of said first post wall of said lower post member, wherein when said upper and lower post members are pivotally moved to engage said engaging tongue with said engaging groove, said upper and lower post members are interlocked and coupled with each other end-to-end, wherein said post joint further comprises an additional engaging groove extended from an end portion of said second post wall of said upper post member adjacent to said engaging tongue thereof, and an additional engaging tongue provided at an end portion of said second post wall of said lower post member adjacent to said engaging groove thereof, such that when said upper and lower post members are pivotally moved to engage said additional engaging tongue with said additional engaging groove, said upper and lower post members are coupled with each other end-to-end, wherein said post joint further comprises two coupling sleeves coupling with said end portions of said upper and lower post members respectively, wherein said pivot hinge is formed between said coupling sleeves to pivotally couple said upper and lower post members.