A table frame has a table leg with a housing part, a longitudinal beam and a transverse beam having two mutually opposite edge portions. A longitudinal beam protrusion of the longitudinal beam can be brought into contact, under preload, with one of the edge portions. A housing protrusion of the housing part can be brought into contact, under preload, with the other edge portion. The invention also relates to a table, comprising a tabletop and a table frame of this type. The table frame may be used in a table having a tabletop.

A lightweight beam structure includes a first and a second frame. The first frame includes an upper plate, two inner side plates downward bent and extended from two sides of the upper plate, two outer side plates upward bent and extended from two inner side plates respectively and two fixing plates bent and extended from two outer side plates respectively.

Each outer side plate is formed outside each inner side plate. A groove is formed between each inner side plate and each outer side plate. The second frame is connected with the first frame and includes a top plate and two intermediate plates downward bent and extended from two sides of the top plate. Each intermediate plate is received in each groove. The top plate is formed over the upper plate. Therefore, the stability is maintained and the weight is reduced so that the material costs may be decreased.

A lightweight electric desk stand includes a beam structure (10), a telescopic column (20) and a flank (30). The beam structure (10) includes a lower frame (11) and an upper frame (12). The lower frame (11) includes a bottom plate (111) and two risers (118) facing one another. The upper frame (12) includes a top plate (121) and two side plates (125) facing one another. The upper frame (12) is mounted on the lower frame (11). The side plate (125) and the riser (118) are connected to one another. The bottom plate (111) and the top plate (121) are spaced and facing one another. The telescopic column (20) is connected to two ends of the beam structure (10) and includes a motor (21). The flank (30) is disposed on an edge of the telescopic column (20) and covers an end of the beam structure (10).

A fastening screw and a height-adjustable table using the same are provided. A threadless transition portion is provided between a threaded section and a head portion of the fastening screw to increase the contact area between the screw and a workpiece, and to cooperate with a shaft portion to fasten the workpiece. The transition portion is provided with a tapered wall surface, and the transition portion expands from the threaded section to the head portion of the screw. The screw offers a tension expanding outward in a circumferential direction of a mounting portion. An area of a joint between the transition portion and the head portion does not exceed a circumferential area of threads. In a direction of a central axis of the screw, the projection of the transition portion overlaps that of the shaft portion, which prevents the transition portion from falling off the workpiece or damaging the workpiece.

Clamping arrangements for assembling components of modular furniture are disclosed. The clamping arrangements can include a frame comprising a cavity intermediate opposing sidewall surfaces. The clamping arrangements can also include a spring positioned in the cavity, wherein the spring comprises a folded metal sheet. The clamping arrangements can also include a lever comprising a camming surface, wherein the lever is pivotably coupled to the first sidewall and the second sidewall about an axis of rotation and pivotable between an unclamped position and a clamped position. The camming surface can be configured to directly engage the spring and deform the spring to a clamping configuration when the lever is in the clamped position.

A support arrangement (1) for an object (2), comprising primary frame (10), at least three pivoting members (21, 22, 25) and first, second, third and fourth feet (31, 32, 33, 34) fixed to the three pivoting members. The primary frame includes longitudinally spaced first and second stem portions (11, 12) fixed to a longitudinal member (13). The first and fourth feet are laterally spaced and positioned towards a first end of the primary frame and the second and third feet being laterally spaced and positioned towards a second end of the primary frame, the second and third feet being longitudinally spaced from the first and fourth feet. At least one interaction arrangement (50) provides interaction between the three pivoting members such that the four feet can move to accommodate or engage an uneven surface while maintaining control of the object in a position parallel to the average ground plane.

A table frame for a table has a first column and a second column for supporting a table top, a cross member of hollow profile construction by which the first column and the second column are interconnected with each other and a first cantilever support mounted on the top end of the first column and a second cantilever support mounted on the top end of the second column. The first and the second column each have two projections at respective top ends thereof. The cross member, at each end section thereof, has a pair of oblong holes disposed on its lower side and through which the two projections of the respective column extend into the cross member. Each cantilever support has a first and a second flange which are arranged spaced-apart from one another, each of the flanges abutting the cross member on a lateral side portion thereof.

A frame for sit-stand-tables comprising a longitudinal member (3), two height-adjustable legs (6, 7) with at least two telescopic profiles, namely an outer and an inner profile, and with a driving mechanism, driven by a motor unit (39), comprising an electric motor (46) and a gear. According to the invention the motor unit (39) is arranged in the longitudinal member (3) and connected to the driving mechanism in the height-adjustable legs (6, 7). Thus, a frame with a simplified construction is achieved. The construction of the legs (6, 7) can be simplified and at the same time the dimensions can be reduced, as it is not necessary to take the building-in of a motor into the legs into consideration. As both legs (6, 7) are driven by a joint motor unit (39), the electric control can also be simplified as it will not have to drive the two legs synchronously.

A lightweight beam structure includes a first and a second frame. The first frame includes an upper plate, two inner side plates downward bent and extended from two sides of the upper plate, two outer side plates upward bent and extended from two inner side plates respectively and two fixing plates bent and extended from two outer side plates respectively. Each outer side plate is formed outside each inner side plate. A groove is formed between each inner side plate and each outer side plate. The second frame is connected with the first frame and includes a top plate and two intermediate plates downward bent and extended from two sides of the top plate. Each intermediate plate is received in each groove. The top plate is formed over the upper plate. Therefore, the stability is maintained and the weight is reduced so that the material costs may be decreased.

The disclosure is a beam structure for a leg stand of an electric table, which includes a first frame and a second frame. The first frame includes an inner bottom plate, an inner side plate and an inner embedding plate. The inner embedding plate is formed on outside of the inner side plate. The inner embedding plate includes an exposed section. The second frame is movably connected with the first frame. The second frame includes an outer bottom plate, an outer side plate and an outer connecting plate. The inner bottom plate is formed above the outer bottom plate. The inner side plate is formed on inside of the outer side plate. The inner embedding plate is correspondingly embedded in the outer connecting plate. The exposed section is exposed from the outer connecting plate.