Abstract: The invention relates to a fastener comprising a substantially right circular cylindrical surface arranged along an axis, said surface comprising a grooved shape selected from a thread, a tapping and a plurality of traction grooves, said fastener being made of a beta-metastable titanium alloy. The alloy has a microstructure (40) made up of a matrix (42) and alpha phase nodules (44) distributed in said matrix, the matrix being made up of beta phase and groups (46) of alpha phase lamellae (48) oriented in the same direction.

Abstract: A press-in retainer includes a retainer head having a collar and a seal disposed at least partially about the collar. A clip portion projects from the collar. The seal includes a main body engaging the collar and a sealing foot disposed entirely outboard from the collar. The sealing foot is configured to hinge about an intersection of the sealing foot and body portion while remaining entirely outboard from the main body. In a substantially flattened condition of the sealing foot, an angle between the sealing foot and a distal surface of the main body approaches a flat contiguous surface.

Abstract: In accordance with one or more embodiments of the invention, nut restrainers and methods of use are presented, particularly as they apply to high-strength bolted connections for steel structures. Nut restrainers may define a cavity that accepts insertion of a nut, and may include deformable or removable centering elements that allow the nut to move laterally to accept a bolt that is inserted non-concentrically with the nut restrainer, and may comprise a mobile central portion and a rigid outer portion; A method of positioning a nut restrainer concentric with a bolt hole accurate to within the radial tolerance of the bolt hole.

Abstract: A door stop is provided herein that includes a base section positioned at least partially offset from a door, a forward section extending from the base section, an intermediate section extending from the base section, and a rear section. A retainment zone is defined between the base section, the forward section, and the intermediate section.

Abstract: The invention describes a fluid damper for furniture parts that are movable relative to one another, said fluid damper comprising a piston (4) guided movably in a cylinder (1) along a longitudinal axis. At least one through opening (4.1, 4.2) for fluid flowing through is provided in the piston (4) and/or between the piston (4) and cylinder (1). A sleeve (2) is arranged so as to be radially rotatable, relative to the piston (4) against a spring loading, about the longitudinal axis or about an axis running parallel thereto, which sleeve comprises, on its circumference, a number of wings (2.1, 2.2, 2.1?, 2.2?) corresponding to the number of through openings (4.1, 4.2). The spring loading is directed such that the wing (2.1, 2.2, 2.1?, 2.2?) exposes the through opening (4.1, 4.

Abstract: A stud for fastening an attachment element to an underlying surface is provided, having a shank that defines a fastening direction, having a sealing element for sealing off a contact zone between the shank and the underlying surface, and having a force transmission element for transmitting compressive forces from the attachment element to the underlying surface.

Abstract: The invention relates to a clip for connecting a cover panel to a vehicle body. The clip comprises an annular inner portion defining a central through hole for receiving a fastening means for securing the clip to the vehicle body. The clip also comprises a plurality of leg portions for snap-locking a cover panel to be mounted to the vehicle body. The leg portions extend radially from the annular inner portion and are circumferentially distributed and separated from each other by void spaces. Each leg portion has an initial contact surface. Each leg portion is configured to flex radially inwardly towards the annular inner portion when the initial contact surface is subjected to a pressing force, and to snap radially outwardly when said pressing force on the initial contact surface as ceased. The axial extension of the annular inner portion is shorter than the axial extension of the leg portions.

Abstract: There is provided a nut in which occurrence of galling is prevented. The nut in which a depth t of a counterbore hole is set to be greater than (D?d×cos ?)/tan ?, when a nominal diameter is D, an average value of a maximum outer diameter and a minimum outer diameter taking into account a tolerance of a bolt to be fitted is d [mm], an inner diameter of the counterbore hole provided on an insertion side of a screw hole is D+0.2 [mm], a pitch of a screw thread is P [mm], and ? satisfies ?=arc tan(P/d).

Abstract: A formed body of Cu—Al—Mn-based shape-memory alloy may include a screw portion, wherein the screw portion is a form-rolled portion. A method for producing a formed body of Cu—Al—Mn-based shape-memory alloy may involve forming a screw portion having superelasticity by plastically working at least a portion of a material for the formed body with form-rolling in a state that a crystal structure is an A2-type structure and then, subjecting heat-treatment so as to convert the A2-type crystal structure into an L21-type crystal structure. The screw portion can be formed with good working property, and has excellent fatigue resistance and breaking resistance.

Abstract: A fastener structure includes a fastener having a stem portion and at least one movement portion. The stem portion has a fastening section. The movement portion is formed on the stem portion and has a retaining section. With these arrangements, the retaining section of the movement portion can be detachably assembled to a first object and the fastening section can be then detachably assembled or fastened to a second object. In this way, at least two objects can be connected to and disconnected from one another in a quick and repeatable manner.

Abstract: An anchor assembly (A) for hollow walls comprises an anchor body (400) and a toggle member (231) that is displaceable between a first position wherein the toggle member (231) is substantially aligned with the anchor body (400) such that the anchor assembly (A) can be inserted in the wall (W) via a cutting distal end (325) of the toggle member (231), and a second position wherein the toggle member (231) extends behind the wall (W) at an angle relative to the anchor body (400) which extends through the wall (W). The toggle member (231) is held captive in the first position but is released and then rotated to the second position by a fastener (218) introduced in the anchor body (400). The fastener (218) threadably engages the toggle member (231) thereby drawing the toggle member (231) against a hidden side of the wall (W).

Abstract: A hollow container or box formed from a roof, a first side (i.e., or first upper and lower sides), a second side (i.e., for second upper and lower sides), a rear side (i.e., or rear upper and lower sides), a door (i.e., or upper and lower door), and a base placing the container or box in a fully assembled position. Unique side and end access doors are provided. Each of the sides are releasably coupled or hingedly connected to one another and the adjacent sides are hingedly coupled to the base. Upon releasing the sides from one another and rotating each relative to one another in a particular order along various axis rotation, the container or box is transitioned from a fully assembled position into a flat, parallel orientation, fully collapsed position.

Abstract: An arrangement secures at least one circlip against centrifugal force. The circlip is axially fastened on a rotor shaft of an electrical machine for positional securing. At least one securing element is provided for securing against the centrifugal forces acting on the circlip when the rotor shaft rotates. The at least one securing element is placed onto the rotor shaft by means of a first portion for fastening and, by means of a second portion, is slid at least partially over the circlip and radially secures the circlip.

Abstract: A flexible compressible screw guide sleeve that facilitates door knob installations.

Abstract: To provide a fastening structure for fastening a left-right screw intersection forming bolt, which has a simple structure and does not loosen. A right screw nut having a recess, an elastic member having a rotation-preventing protrusion and a tongue portion, and a left screw nut having a tapered surface and a recess are included. After the bolt is tightened with the right screw nut and the elastic member is mounted, the tongue portion of the elastic member is tightened while being pressed with the left screw nut, so that the tongue portion jumps up to the recess of the left screw nut, and the left screw nut is locked and fastened. As illustrated in FIG. 9, the fastening structure can also be configured by changing the right screw nut to a left screw nut, the elastic member to an elastic member, and the left screw nut to a right screw nut.

Abstract: A tolerance compensation arrangement for fastening first and second components with tolerance compensation in the distance between the first and second component, has a base unit with a cage element, a base element, a nut in the cage element, and an adjustment unit having a threaded sleeve with an outer thread and a dragging element. The thread of the threaded sleeve forms with the nut a first thread pairing of a first direction. A fastening screw can be inserted through an opening of the base unit and the adjustment unit, and the fastening screw is screwable into the base element via a second thread pairing of a second thread direction and is connectable to the adjustment unit via the dragging element, so that, when the fastening screw is screwed in, the adjustment unit is co-rotated and thereby moved into abutment with the second component.

Abstract: A clip includes a male member having a head part and a rod-shaped pin part; and a female member having a cylindrical part into which the pin part is inserted, a first engaging hook on the cylindrical part engaging the pin part at a first inserting position of the pin part and a second inserting position on a back side in an inserting direction, and a second engaging hook engaging an edge of the attaching hole when the cylindrical part is inserted into the attaching hole. The pin part includes a tolerance part allowing elastic deformation of the second engaging hook when the pin part is in the first inserting position, and a stopping part positioned on the head part side supporting the second engaging hook from inside the cylindrical part and stopping elastic deformation of the second engaging hook when the pin part is in the second inserting position.

Abstract: A lock nut and tang washer mechanism preloads and locks components in a rotating environment. A drive system mechanism preloads and locks the device in a rotating environment and provides a double locking safety requirement needed in most aircraft for applications operating in an enclosed environment. The mechanism holds a required torque for the duration of the drive system operating life without the need for periodic visual inspections.

Abstract: A fastening method for fastening using a fastener having a fastener pin and a collar. The method includes a mounting step in which, in a state in which a head portion of the fastener pin is positioned on one side of the portion to be fastened through which the fastener pin is passed, and a lock portion of the fastener pin is positioned on the other side of the portion to be fastened, the collar is mounted onto lock grooves. The method includes a fastening step in which, on the basis of an un-swaged portion height derived from the thickness of the portion to be fastened, the collar is swaged onto the lock grooves and the portion to be fastened is fastened.

Abstract: A self-drilling screw (10) having a head (20), a shaft (30) at least partially wearing a thread (35) and a drill point (40). The base material of the screw (10) including the drill point (40) is integrally manufactured from an austenitic 300 series steel with a surface hardness (uncoated) of 400-600 HV 0.3. The surface of the screw has a top coating of Zn—Ni with a Ni-content between 12-15% deposited on the austenitic base material. This self-drilling screw (10) is manufactured from a blank of raw austenite 300 series steel which is initially squeezed by cold forming to reduce its diameter in a first operation and, in following cold forming operations the head, the drill point and a thread are formed.