A rack assembly has two support frames and at least one shelf that are secured to the support frames by connecting assemblies. Each connecting assembly comprises a well secured to a medial surface of each vertical tube of the support frame, and a hook that extends from each end of each shelf, with each hook having an opening extending therethrough. The connecting assembly also includes a connector that is seated inside each well, each connector having a top plate that has an elongated opening, the connector also having a body that is sized and configured to fit inside a well, the body defining two wings with a space between the wings, and wherein each wing has a bump positioned in the center of the inner surface of each wing that faces the space. Each hook is inserted through the elongated opening of a corresponding connector with the bump on each wing fitted inside the opening of the hook to retain the hook inside the body of the connector.

A non-bolted pipe fitting bracket for assembling an assembled pipe for displaying and preserving an article without using a bolt and a nut includes: a bracket that is a support unit, in which a pair of side surface support bodies are assembled at the right angle at corners of horizontal pipes each having a pair of horizontal stopping holes and a vertical pipe having a pair of vertical stopping holes, horizontal stopping steps are formed at upper ends of the side surface support bodies to be coupled to the horizontal stopping holes, and vertical stopping steps are formed on side surfaces of the side surface support bodies to be coupled to the vertical stopping holes.

A connection arrangement for connecting a first furniture part (10) to a second furniture part (20), wherein the first furniture part (10) comprises: a dowel (11) and one or more abutment surfaces (13) extending circumferentially (C) around or being distributed circumferentially (C) around the dowel (11), wherein the second furniture part (20) comprises: a through-going opening (22) extending through a wall (21) and one or more abutment surfaces (23) extending circumferentially (C) around or being distributed circumferentially (C) around the through-going opening (22), wherein the connection arrangement further comprises a connection member (30) having a recess (31), the recess (31) having a locking portion (31b) being configured to receive the dowel (11) by a relative motion between the connection member (30) and the first furniture part (10) in a direction transverse (T) to the longitudinal direction (L) and being configured to interact with the neck portion (11b) of the dowel (11) to counteract removal of the dowel (11) from the locking portion (31b) along the longitudinal direction (L).

A modular structural support system, comprising: a plurality of vertically disposed frame support beams, a plurality of horizontally disposed frame support beams, a plurality of fastener devices, fastener devices rigidly connected to the ends of the horizontally disposed support beams and rotatably and selectively lockingly attachable to one of the vertically disposed support beams.

A connection arrangement for connecting a first furniture part (10) to a second furniture part (20), wherein the first furniture part (10) comprises: a dowel (11) and one or more abutment surfaces (13) extending circumferentially (C) around or being distributed circumferentially (C) around the dowel (11), wherein the second furniture part (20) comprises: a through-going opening (22) extending through a wall (21) and one or more abutment surfaces (23) extending circumferentially (C) around or being distributed circumferentially (C) around the through-going opening (22), wherein the connection arrangement further comprises a connection member (30) having a recess (31), the recess (31) having a locking portion (31b) being configured to receive the dowel (11) by a relative motion between the connection member (30) and the first furniture part (10) in a direction transverse (T) to the longitudinal direction (L) and being configured to interact with the neck portion (11b) of the dowel (11) to counteract removal of the dowel (11) from the locking portion (31b) along the longitudinal direction (L).

A corner connector for rod-shaped profile elements, with a connection element which comprises at least two attachment portions which are oriented substantially perpendicular to each other and which are each designed such that an attachment portion and a front end of the rod-shaped profile elements to be connected engage in each case one inside the other, at least one transverse strut of which the ends are designed such that an end of the transverse strut and a connection portion provided on a lateral surface of the rod-shaped profile elements to be connected in each case engage releasably one inside the other, and a clamping element which clamps the transverse strut releasably against the corner connector. An assembly system composed of such corner connectors and supporting or holding frames composed of such corner connectors and profile elements.

The present disclosure relates to configurable stacking chairs having a standard seat base frame design to which different interchangeable seat backs can be quickly and easily attached. The seat base frames and the interchangeable seat backs may include corresponding quick-connect features that allow selective attachment therebetween. The interchangeable seat backs may be attached to a standard seat base frame via a magnetic connection. Each interchangeable seat back can have a different unique design allowing for a quick change of appearance by exchanging one interchangeable seat back design for another. The interchangeable seat backs and the standard seat base frames can be stored separately and take up less space than completely assembled or fixed back chairs.

A connecting assembly for a sofa includes a first connecting piece fixing on a first component of the sofa, a second connecting piece fixing on a second component of the sofa, and a third connecting piece. The first connecting piece includes a first inserting portion. The second connecting piece includes a second inserting portion. A first end of the third connecting piece is inserting into and connecting with the first inserting portion. A second end of the third connecting piece is inserting into and connecting with the second inserting portion. When the third connecting piece is gradually inserting into the first inserting portion and the second inserting portion, contact pressures between at least portions of the third connecting piece, the first inserting portion and the second inserting portion gradually increases to make the third connecting piece clamping to the first inserting portion and the second inserting portion.

A connecting assembly for a sofa includes a first connecting piece fixing on a first component of the sofa, a second connecting piece fixing on a second component of the sofa, and a third connecting piece. The first connecting piece includes a first inserting portion. The second connecting piece includes a second inserting portion. A first end of the third connecting piece is inserting into and connecting with the first inserting portion. A second end of the third connecting piece is inserting into and connecting with the second inserting portion. When the third connecting piece is gradually inserting into the first inserting portion and the second inserting portion, contact pressures between at least portions of the third connecting piece, the first inserting portion and the second inserting portion gradually increases to make the third connecting piece clamping to the first inserting portion and the second inserting portion.

A mechanism and method for assembling a base to a piece of furniture is provided with at least two cam pieces having complimentary interlock mechanisms constructed and arranged to interlock one to another to form a cam. A plurality of interlock mechanisms may be provided, as well as a plurality of positioning elements on respective cam pieces.