Patent ID: 8714652

Claim:
A frame for use in connection with modular furniture, said frame being of rectangular configuration and constructed of structural components, one of said components being a front component, and another a back component, with said back component having a straight edge thereon, and a pair of side components serving to interconnect said front and back components, and a locking bar member extending between said side components and being movable therealong while remaining essentially parallel to said back component, said locking bar member having a straight edge in alignment with and substantially parallel to said straight edge of said back component, such that when said locking bar member is brought into a close relation to said back component, said straight edges of said back component and said locking bar member can secure a backrest having cleats disposed on its lower portion, in a fixed position, a first area being defined between said front component, said side components, and said locking bar member, and a second area being defined between said back member, said locking bar member and said side components, said first area being caused to enlarge when said locking bar member is moved toward said back component, and blocking means configured to fit in said first area when said locking bar has moved into close relation with said back member, said blocking means preventing any displacement of a backrest whose cleats reside between said straight edges of said back component and said locking bar member.