Abstract: An interlocking interface retains a screw head in a socket to prevent migration of the screw head out of the socket, or to lock the screw head in the socket. The interlocking interface may retain or lock the screw at various polyaxial angles with respect to the socket. The screw head includes external corrugations. The socket includes an internal corrugated structure which interlocks with the external corrugations of the screw head when the screw is at various polyaxial angles with respect to the socket.

Abstract: An adhesive fastening element (2) for holding a workpiece (8), the adhesive fastening element (2) comprising: an adhesive delivery tube (32) embedded in the adhesive fastening element (2) for supplying adhesive (10) to an exterior surface of the adhesive fastening element (2).

Abstract: A door closure device includes a pivot pin adapted to engage an associated appliance hinge, and a channel rotatably connected to the pivot pin and adapted to be connected to an associated appliance door. A cam is non-rotatably engaged with the pivot pin. The cam comprises a lobed edge including a closing portion. A spring rod is slidably engaged with the channel, and a cam follower is operably engaged with the spring rod. A spring is engaged between the spring rod and the channel and biases the cam follower into engagement with the lobed edge of the cam. The follower moves along the lobed edge of the cam when the channel is rotated relative to the cam and the spring induces a door-closing torque on the channel when the follower is engaged with the closing portion of the cam lobed edge.

Abstract: A tool-free blade change system includes a sun gear, an arbor bolt including a threaded portion configured to threadedly engage a threaded bore of a power shaft, and a plurality of pins in fixed relationship with the threaded portion, a plurality of planetary gears engaged with the sun gear and located axially outwardly of the sun gear, each of the plurality of planetary gears mounted on a respective one of the plurality of pins, and an outer ring gear engaged with each of the plurality of planetary gears, wherein the sun gear is rotatable with respect to the outer ring gear.

Abstract: A fastening system includes a fastener having a head portion and a shaft portion, wherein the head portion has a recess (e.g., a removal tool recess), and an insert (e.g., a plastic insert) having an insert shape substantially equal to the recess shape and an insert thickness substantially equal to or less than the recess depth, wherein the insert is configured to removeably seat within the recess of the head portion. In this way, the insert may be later removed from the recess, allowing easy tool access even in applications where an overlying fairing material or other such conformal coating is used.

Abstract: A hollow element such as a hollow rivet or a nut element for attachment to a component consisting of a composite material such as a fiber reinforced plastic part or a fabric reinforced plastic part is presented. The element has a flange part and a shaft part extending away from the flange part and/or a rivet section, wherein the rivet section, is present, can also be formed at the free end of the shaft part, with the a hollow element furthermore having a central passage, which is optionally provided with a thread cylinder. The hollow element is used in combination with an auxiliary tip which is either inserted from the flange side of the element through the passage, or from the side of the free end of the shaft part of the rivet section into the passage, such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.

Abstract: A self-locking plug is provided that includes a lock carried between a sleeve and a core. The sleeve has an anti-rotation feature for reducing axial rotation of the sleeve during at least one of core removal and core installation. The core extends through the sleeve. The lock includes a first component and a second component. The first component has a protrusion that extends radially out to a circumferentially extending interference surface. The second component has an interference tab that is radially biased against the interference surface.

Abstract: This tassel comprises at least a first piece and a second piece, both independent, and attached to respective free ends of operating cords for blinds; and present on the facing surfaces are magnetically attracted first halves and second halves suitable for establishing a retention of tassel parts in a mounting position, to allow said parts of the tassel to separate when a force superior to the force of the magnetic attraction of said first and second halves is applied between the two cords; characterized in that the magnetically attracted first halves are mounted in a protruding position with respect to the surface of said first part.

Abstract: A bonding washer for making electrical connection between two metal pieces that are to be mechanically fastened together. The washer, to be interposed between the two metal pieces, may be constructed so as to fasten to one of the pieces before the two pieces are joined. Teeth on the washer, positioned at right angles to the plane of the washer, are forced into each of the two metal pieces when the fastener is tightened, making electrical connection between the two metal pieces.

Abstract: The present invention relates to a damping hinge device, including a first core shaft, a first ring, a core shaft sleeve and a second ring; one end section of the first core shaft is formed as a connection part and installed a damping contact part; the first ring is sleeved on the first core shaft and positioned between the connection part and the damping contact part; one end section of the core shaft sleeve is concavely formed with an accommodation slot for accommodating the damping contact part, the viscous damping layer and the first ring; the second ring is sleeved on the first core shaft and combined with the core shaft sleeve, the second ring is served to cover the first ring for sealing the viscous damping layer thereby allowing the viscous damping layer to generate a viscous resistance to the damping contact part being in a rotating status.

Abstract: A locking hinge assembly having a first hinge plate and a sleeve bushing defining a through passageway and a tooth channel with opposing side walls; a second hinge plate and a sleeve bushing, for co-axial alignment of the sleeve bushings; and a splined pin received in the aligned sleeve bushings, the splined pin having a root diameter and at least one tooth projecting therefrom for being received selectively in the tooth channel, whereby the tooth being received in the tooth channel permits rotational movement of the sleeve barrel relative to the barrel until the pin is stopped by one of the side walls of the tooth channel.

Abstract: A free-wheeling hinge assembly includes a base element, a cap element, and an internal pivot assembly allowing the cap element to pivot 360 degrees transversely to a hinge assembly central axis and in relation to the base element. Geometric ends of the hinge assembly allow insertion into any two component corresponding geometric recesses to be so pivoted and repositioned.

Abstract: A blind rivet having a rivet sleeve and a pin, the rivet sleeve having a sleeve head for contact with a visible-side workpiece surface and a sleeve shank and a through hole, through which the pin is guided, the pin having a blind-side pin head for contact in the region of a blind-side end of the sleeve shank, and the sleeve shank having a first forming section and a second forming section which is arranged axially spaced apart from the first forming section and closer to the sleeve head, a first intermediate section being formed between the first and the second forming section, which first intermediate section, during setting of the blind rivet, can form a first blind head which can be formed at axially different points in order to set up different clamping thicknesses.

Abstract: In a method of assembling a component by means of a fastening clip (100), the fastening clip (100) comprising a latching portion (106) and a head element (104), the head element (104) is transferred from a preliminary mounting position to a final mounting position for assembling the component. An enabling element (112) is provided which is transferred from a first position in which a machine-readable code (114) applied on the fastening clip (100) can not be read, to a second position in which the code (114) can be read, when the head element (104) is transferred to the final mounting position.

Abstract: A window hardware anchor formed from a base and a pair of walls defining a central channel therebetween. The walls each form a spreadable projection at the end opposing the base and combine to define an anchor head. A pair of shoulders are attached in opposing relation on the outside of different walls, such that when a fastener is received in the central channel, the head and the shoulders laterally displace to form a stable attachment platform for desired window hardware.

Abstract: A flat or three dimensional body constructed of a sanitary plastic, with an inner surface of the body defining a hollow interior adapted to contact a door hardware surface or projecting knob. The body in one variant exhibits an end face from which projects an undulating and perimeter extending skirt, the design of which providing additional fabric which, upon being grasped and rotated by a user, can be circumferentially deflected and folded over against itself and the underlying surfaces of the rotatable door knob over which the cover is installed, this in order to facilitate additional frictional engaging contact with the door handle. An inside or flattened base surface of the body can also exhibit any desired tacky or adhesive material in order to provide additional gripping engagement of the handle or knob.

Abstract: A fastener for securing a wheel rim to a wheel hub having a screw connecting element, includes a fastener body and a rotatable upper stage lock element. The fastener body is configured to be screwed to the screw connecting element of the wheel hub and includes a coupling section and a flange section located at one end of the coupling section. The flange section includes an outer circumferential surface and a first positioning portion formed at the outer circumferential surface. The rotatable upper stage lock element includes a peripheral wall configured to rotatably mount on the flange section of the fastener body. A plurality of annularly spaced first and second grooves are formed in the coupling section and in an outer peripheral surface of the peripheral wall, respectively, so that a plurality of the first and second grooves can be aligned to define a key receiving surface by rotating the rotatable upper stage lock element. The design has good anti-theft effects.

Abstract: A threaded post structure includes a first threaded post, a second threaded post and a positioning component. The first threaded post has a first internal thread and an external thread. The second threaded post has a second internal thread and at least two positioning portions. The first threaded post and the second threaded post are screwed with each other along an axis through the external thread and the second internal thread. The positioning component is disposed on the first threaded post. When the second threaded post moves to a position along the axis, the positioning component positions one positioning portion to fix the second threaded post at the position. When the second threaded post moves to another position along the axis, the positioning component positions another positioning portion to fix the second threaded post at the another position. Besides, an assembling structure having the threaded post structure is also provided.

Abstract: A hole adapter insert for modifying a circular hole to mount a D/DD lock body securely in a rotationally fixed manner includes a disk-like body having a cylindrical outer surface received in the circular hole. A bore extending axially through the body is provided with the requisite standard D/DD cross-sectional profile to receive a standard, complementarily-formed lock body. Extending radially from one end of the body is an annular flange having a proximal face adapted to be glued to the annular surface about the exterior of the circular hole. Alignment flats at the periphery of the flange enable proper D/DD angular alignment of the lock body. A cam lock body is inserted through the outer end of the bore of the insert and secured by a lock nut threaded onto the lock body at the inner end thereof.

Abstract: A caster includes a mounting plate, a horn having a horn base and at least one leg, a wheel axle coupled to the at least one leg and defining a rolling axis, a caster wheel coupled to the wheel axle and rotatable about the rolling axis, and an eccentric bearing assembly coupling the horn with the mounting plate. In one embodiment, the bearing assembly includes first, second, and third rings of rolling elements, defining first, second, and third horizontal bearing planes, respectively. The second and third rings of rolling elements are positioned eccentrically within the first ring of rolling elements. In another embodiment, the first bearing plane extends between the second and third bearing planes. A transport vehicle includes a vehicle body and at least one swivel caster having an eccentric bearing assembly.