A fastening assembly includes a mounting cylinder frame, a movable part and a turnover part, the mounting cylinder frame is provided with a first vertical beam and a transmission rod, the mounting cylinder is provided with a butting block at the top of the first vertical beam, the transmission rod passes through the butting block, the side wall of the first vertical beam is provided with a bulge, the movable part is connected with the transmission rod, and the turnover part is arranged on the first vertical beam and rotationally connected with the movable part. The turnover part is butted with the bulge, the turnover part is located between the butting block and the movable part, and has a vertical state and a horizontal state. The transmission rod is used to drive the turnover part to switch between the horizontal state or the vertical state.

The present invention discloses a guide pin, which comprises a base support layer (1) and a protective layer (2). The base support layer (1) is a rod-shaped structure. The protective layer (2) tightly wraps the surface of the base support layer (1). A manufacturing method for the guide pin made of various materials is also disclosed. The guide pin manufactured by the method of the present invention is not prone to bending or deformation and has good corrosion resistance and acid/alkaline resistance properties; it is wear resistant and has of extended service life; it is easy to be processed and is low in cost.

Clamping anchors, kits, and related methods. The present anchors comprise a body with proximal base and distal blade configured to rotate relative to the base. The base defines a channel through which a screw or pin is advanced to apply force to a moment arm projection to rotate the blade and can also include a secondary moment arm offset longitudinally from the transverse line toward the distal end of blade. The moment arm(s) can be straight, curved, or angled surfaces that apply sufficient bending moment to rotate the blade up to 90 degrees or more relative to longitudinal axis. Kits comprise one or more anchors and a screw. The methods comprise inserting an anchor through substrate, advancing a screw through the channel so the distal end pushes the moment arm toward the distal end of anchor causing the blade to bend, at the transverse line, away from the longitudinal axis.

An anchor for wallboard installation includes an anchor body elongated along an axis, the anchor body including a driving end, a wall boring end and an internal bore running from the driving end to an internal end short of a distal tip of the wall boring end. The anchor body includes a first frusto-conical body portion, a second frusto-conical body portion running from the first frusto-conical body portion to an annular groove and an end body portion running from the annular groove toward the distal tip.

A sleeve and pin combination for fastening of one or more screening media elements to a corresponding attachment socket of a screening equipment, a screening media element for co-operation with the sleeve and pin combination, an arrangement for fastening of one or more screening media elements to corresponding attachment sockets of a screening equipment, and a method for fastening of one or more screening media elements to corresponding attachment sockets of a screening equipment and also a screening equipment for separating solid materials according to size is provided.

A wall hook for fixing in an anchoring substrate. In order that a hook part of the wall hook can be aligned at any desired spacing from the anchoring substrate, the wall hook includes a stop element which extends away from a hook element parallel to a longitudinal axis, the hook part being rotatable relative to the stop element about the longitudinal axis.

A coupling with distinct portions formed as a unitary structure and a fastener placed at one end of the coupling both provided to constrain assembly components and control their relative motion linearly along and rotationally around a longitudinal center axis is presented. The coupling portions are composed of complex concave polygon or circular shapes whose normal section is determined by the manner in which the adjacent assembly components are required, alternately, to move or not move. Specific geometric constraints for the various coupling portions must be met. Various coupling embodiments may result from differing fastening elements including screw, friction fit and bonded types being attached to the coupling body piece.

An oval-shaped T-nut that is received within an oval receiver machined into the upholstered panel to be secured to a chair frame is provided. The oval shape of the T-nut prevents the oval-shaped T-nut from rotating when a screw is driven into the T-nut. Further, this eliminates the necessity of stapling the traditional plastic T-nut to the chair panel, thus saving time and money associated with the manufacture of an upholstered metal frame chair. In addition to the oval-shaped T-nut described herein, a novel U-shaped screw catch is also provided which cooperates with a barbed nylon or plastic push rivet to secure the upholstered chair panels to one another. Further, a method for connecting upholstered seat back panels to the tabs positioned on the back frame of a chair, utilizing the T-nut and the screw catch is disclosed.

A fixing for attaching an object to a panel, the fixing comprising: a head member (11) configured to be located on a first side of the panel; a back member (13) configured to be located on a second side of the panel and to receive at least part of an attachment element; and a neck member (12) connecting the head member (11) and the back member (13), wherein the head member (11), neck member (12), and back member (13) are rigidly coupled together and a part of the back member extends radially outwardly with respect to the head member, such that the back member is locatable on the second side of the panel by manipulation of the rigidly coupled head member, neck member and back member.

The invention relates to a self-drilling wall plug (1) for screwing into lightweight building materials, in particular into plaster walls, having a sleeve-shaped plug body (4) surrounded by a cutting thread (2), a flange (6) on the rear side, at least one cutting tooth (18, 20) like a milling tool in the region of its front end (10) comprising a tip (12), an inner profile formed along an inner wall (30) by a plurality of longitudinal ribs (32), into which the thread of a fixing element cuts, and in its flange (6) a recess (28) for engaging a driving tool, wherein a cup (38) for receiving the front end (10) of a fixing element penetrating the wall plug (1) is provided in the region of the tip (12).