Abstract: A functional design element for use with a toy or toy-like assembly set comprises a substantially rectangular material strip being formed with two openings at its opposed longitudinal ends for two push-button-like fasteners whereby the material strip is formed either of a resiliently pliable or of a rigid synthetic resin within two respective groups of different functional design elements for obtaining technical-functional and at the same time esthetical different impressions for the visible surface of the assembled design body.

Abstract: A pivot mechanism for pivotably mounting a television receiver cabinet on a swivel base includes a molded pivot socket and a molded pivot pin. The pivot socket includes deformable tabs for locking engagement within an aperture in the swivel base. The pivot pin extends through an aperture in the receiver cabinet and includes deformable tabs for locking engagement with the pivot socket.

Abstract: A fixing device for joining two sheet parts as separated by a prescribed space from each other is disclosed which comprises a hinge part adapted to be bent perpendicularly, a base plate part connected to one end side of the hinge part and provided with a projecting fitting shank, and an engaging part connected to the other end side of the hinge part and provided with a pair of legs possessing engaging claws at the leading ends thereof and a retainer claw possessing an upwardly urged free end.

Abstract: A data cartridge includes snap fasteners which extend between parallel walls of the cartridge and which are bifurcated to produce two parallel spring arms which may be compressed for insertion into a hole provided in one of the walls. The spring arms include enlarged heads, which are adapted to pass through the wall adjacent the hole when the spring arms are compressed, and reduced necks which allow expansion of the spring arms and gripping of the wall by the enlarged heads.

Abstract: A fastening system including a two-part laterally adjustable fastener comprised of an apertured base and a headed elongated member. The head of the member is captivated in a recess in the base as the base is welded to an article. Complementary surface formations are formed on the base and the article to facilitate positioning of the base on the article during a welding operation.

Abstract: A clip for attaching an elongate element to a support comprising a body portion provided with a fastening member adapted to attach the clip to the support, the body portion providing a seat for the corrugated elongate element and having a flexible arm extending from one side thereof, a free end of the arm being engageable in the other side of the body portion to hold the elongate element in the seat, the body portion comprising one or more fins configured to engage the elongate element to resist longitudinal sliding of the element in the clip.

Abstract: A connecting pin with a cross-section comprising vertical and horizontal wing portions. For better connection, opposite surfaces of the pin are changed to form projections. Due to this configuration, the pin can connect two articles with a certain play in one or more directions. The pin can be formed integrally with one of the articles.

Abstract: The specification discloses a plastic component having a cylindrical connecting portion with a contoured interior space designed for acceptance of a threaded or profiled bolt or stud. The interior space is designed with resilient gripping members which are attached at one end to the walls of the interior space and protrude obliquely into the interior space. The members are designed to firmly grip the stud or bolt without undergoing permanent deformation or deforming the cylindrical connecting portion.

Abstract: A plug for closing an opening or hole in a panel, plate or wall, comprising a head portion and a shank portion. The head portion has a peripheral flange forming an internal groove in which is disposed the edge of an annular base portion of the shank portion, the annular base portion being split and elastically compressible for engaging, during assembly, the edge thereof within the groove when the annular member is allowed to relax to is original dimension and shape.

Abstract: A fastener includes a pad element having number of connecting prongs having two locking ridges disposed thereon. The top locking ridges, which are disposed closest to the tip of the prongs, are smaller than the lower locking ridges, thereby facilitating easy alignment of the unisex fasteners of a mating pad. Back prongs on the pad are used for connecting the pad to a surface of an article having holes for receiving the back prongs such that the connecting prongs are positioned to face upwardly from the surface. The fastener is adapted for use in yieldably or separably anchoring a baseball base in place on a playing field ground support attachment having like-constructed fastener prongs whereby injury to a runner sliding into the base will be minimized due to yielding under a relatively low force or separating under a relatively high force of the fastener prongs upon contact thereof.

Abstract: A vehicle body panel structure includes a plastic panel mounted upon an underlying metal substructure. A fastener fixedly attaches one end portion of the plastic panel on the metal structure. A mounting block is slidably mounted on the metal substructure longitudinally spaced from the fastener to define a path of longitudinal movement of the mounting block toward and away from the fixed end portion of the plastic panel. A spring urges the mounting block to a certain longitudinal position and is yieldable to permit movement of the mounting block away from the certain longitudinal position. A fastener attaches the plastic panel to the mounting block so that the plastic panel is effectively supported in a manner enabling longitudinal movement relative to the fixed one end portion to accommodate thermal or hygroscopic growth of the plastic panel.

Abstract: A stackable hinging printed circuit board support is provided, comprising an integral plastic molding. The support is provided with an intermediate notch and an adjacent wall section which is sufficiently thin as to permit flexing for pivoting of one printed circuit board away from another. The support has an upstanding circular segment pilot for fitting in a circular aperture of an overlying printed circuit board. The support has at its bottom a W prong structure dimensioned for insertion in a circular aperture of a printed circuit board so as to coact with the upstanding circular segment pilot of an underlying support to wedge the pilot in the aperture. The W prong of one support is received in a recess provided in the body of a subjacent support.

Abstract: A one-piece, snap-in fastener is provided for securing an elongate compressible gasket of given cross-sectional configuration to a panel having an elongate aperture into which the snap-in fastener is secured. The snap-in fastener comprises a bight portion, a pair of resilient leg portions integrally joining the bight portion and normally extending outwardly therefrom in substantially parallel, spaced apart relation. Each leg portion terminates with an inwardly extending foot portion. The bight portion, leg portions and feet portions lie in a common straight plane. A pair of resilient wing portions are integrally formed at the end of the feet portions and diverge from opposite sides of the common straight plane. The leg portions are spaced apart a distance to span the elongate aperture and are shaped to conform to the ends of the aperture in the region adjacent to the bight portion.

Abstract: A detachable fastener comprises a central shank provided at one end thereof with a head portion and at the other end thereof with leg pieces of the shape of legs of an anchor movably connected through respective hinges to the aforementioned other end, and a receiving part adapted to receive external force and formed as connected to the leading ends of the leg pieces projected from the aforementioned other end of the central shank. In this fastener, the receiving part on receiving an external force causes the leg pieces to be bent about the hinges and the free ends of the leg pieces to be converged.

Abstract: Disclosed is a device for clamping two plates with their surfaces laid on each other, comprising a hollow head, a hollow trunk provided on each side with a side catch and provided with a tongue between its opposite sides, a leg extension hinged to the trunk and provided with a front catch, and a foot integrally connected to the end of the leg extension. In use, the leg extension is folded to fit in the trunk hollow space, and at the same time, the foot is pushed in the head hollow space. The folded body is pushed in a fixing aperture made in a first plate until its side catches engage the undersurface of the aperture edge. Then, the first plate is pushed against a second plate with the folded clamp inserted in a fixing aperture made in the second plate until its front catch engages the undersurface of the aperture edge of the second plate.

Abstract: A fastening clip is disclosed for use in fastening a component with a hole through it to a surface which also has a hole through it, in particular for motor cars. The clip has a supporting plate 5 extending at right angles to the axis of the clip and a rectangular body 6 connected thereto. The body 6 is connected to the holding plate 5 by way of expanding and locking arms connected to one another by integral bending areas 13, 14, 15. The expanding and locking arms 11, 8 and 12, 9 respectively are actuated by bending the body part 6 through 90 degrees to a position where it can be locked relative to the holding plate 5.

Abstract: A fastener assembly for use with a high temperature heat transfer roll and is provided for joining a sheet of insulating material to the end of said roll by utilizing a protruding bolt head or the like. The fastener assembly comprises a cup-like body defining a cavity for receiving said bolt head and a quantity of adhesive material therewithin. A plurality of inwardly extending projections in said cup-like body cavity may be used to engage the bolt head substantially in an interference fit during setting of the adhesive material. A plurality of through apertures in the cup-like body permit release of any excess quantity of adhesive material therefrom. A shaft portion is formed integral with and projects axially outwardly from the cup-like body and away from the bolt head and is of sufficient axial extent to project through the sheet of insulating material. An enlarged head is carried on an axially outermost end of the shaft portion.

Abstract: A clip comprises a male member and a female socket both molded of plastics. The male member is adapted to be detachably fastened to a substrate such as a panel of an automobile body and the female socket is adapted to accommodate the male member rotatably therein and to be fastened to a part such as a radiator grille. Union of the substrate and the part accomplished by the use of this clip can be easily broken by causing the male member to be rotated relative to the female socket with a tool such as a screw driver.

Abstract: An upholstery fixing device consists of a bracket having a holdfast suspended therefrom with bendable or flexible straps. In use the bracket is riveted to the back of a trim board, and the holdfast is pushed into an associated aperture of an inside panel of a car door. Then, the bendable straps can be yieldingly bent to automatically reduce any misalignment between a fixed bracket (and hence its holdfast) and an associated aperture of the inside panel of the car door, thus facilitating the fixing of the upholstery to the inside panel of the car door in exact registration.

Abstract: A fastener for locking two objects in a predetermined relationship. The fastener has a fastener body including a spacer which defines a predetermined distance between the two objects. A first locking element is on one side of the spacer and a second locking element is on the other side of the spacer. The fastener body is adapted to receive a plunger which is adapted to travel from a retracted position to a secured position. The plunger causes the first and second locking elements to rigidly affix the objects to the fastener body thus holding the objects a predetermined distance from each other.

Abstract: A fastener comprising a male member formed of a flat base, a clipping shank provided on the underside of the base, and a pillar erected upright from the upper side of the base and provided at the leading end thereof with a head, and a female member formed of a tubular part, a pair of depressing blades raised through thin-walled hinges from the tubular part and projected parts provided at the lower ends of the depressing blades. This fastener provides the fastening of a compressible sheet such as an insulator sheet or carpet to an interior decorative panel in an automobile, for example, by having the tubular part set around the pillar of the male member with the depressing blades kept in an upright position, causing the head of the pillar to force the depressing blades down to a level position thereby bringing the projected parts into fast engagement with the underside of the head of the pillar and nipping the compressible sheet fast in position between the male member and the female member.

Abstract: An integrally formed fastener molded of plastic material. Such fastener comprises an enlarged head, a shank, shoulders defined near the upper end of the shank, a pair of flexible wings joined to the lower end of the shank, and a pair of stops defined on the shank to limit the movement of the wings toward the shank. The wings flex inwardly until they contact the stops, and then the wings roll inwardly about the stops as the fastener is pushed through aligned apertures in security boxes, panels, etc. While the plastic material, such as polypropylene, possesses sufficient resiliency to be rolled inwardly, the wings will break and/or the shank may fail when the fastener is forcibly withdrawn from its seated position, thus providing a positive indication of an attempted breach of security.

Abstract: A plurality of plastic fastener members each provided with a fixing part, a resilient piece, and an engaging face are attached fast to the side walls of the lamp housing for an automobile. When the lamp housing is inserted into an insertion hole formed in advance in the body panel of the automobile, the engaging faces of the fastener members come into fast engagement with the rear side of the edge of the insertion hole. Thus, the lamp housing is safely fastened to the automobile body by one action.

Abstract: A pin comprises a head portion, a shank portion, and an end portion flared gradually to a dimension transverse to the pin axis greater than the shank portion. The end portion is slotted to afford resilient resistance to entry and withdrawal into a hole. The pin head portion is disc-like, the shank portion is of uniform circular cross-section about the pin axis, and the shank merges gradually into the slotted end portion to define an hollow oval merging at the tip as a bight, the end portion thus being adapted for snapping into a suitable hole.The pin is especially adapted to use with a circuit element carrier having an inverted U-channel in which the element is carried. The element may be inserted into a pair of holes in the top and bottom wall of the inverted U-channel, so that the shank of the element serves as a stop to prevent longitudinal escape of an element beyond the pin shank. The pin may be withdrawn after insertion and reused in the same or other holes of the same or other like carriers.

Abstract: A gripping unit (1) intended by mechanical contact to be caused to interact with an object (2) for the purpose of maintaining a gripping surface (3) belonging to the gripping unit in a fixed position relative to the object, said gripping unit including on the one hand a number of gripping elements (4) and on the other hand a gripping element support (5) connected to the gripping elements, in which the surface (3) of the gripping unit facing the object is in the form of one or more hard, gripping elements (4). Each gripping element (4) is joined directly to the gripping element support (5) by a metallurgical atomic bond. The material used for the gripping element support (5) is selected so as to exhibit considerable elastic rigidity and having the same or essentially the same modulus of elasticity as the material used for the gripping element (4).

Abstract: A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.

Abstract: A fastener clip for fastening round stock to support bodies including an integral base and a pair of side walls defining a U-shaped fastening space. Elastically spreadable insertion walls are connected near their outer ends by easily bendable hinge strips to the side walls and extend into the fastening space in a V-shape fashion. Bosses on the side walls adjacent the hinge strips and slightly spaced from the hinge strips prevent outward pivoting of the insertion walls. A fastener foot on the base allows the clip to be fastened to a support body.

Abstract: In a fastener of the invention, a base is connected to an attachment mechanism, support element having pushing planes are connected to the base through arms slanted upwards from the base, and surface of a board is pushed by pushing planes by means of resilient deformation of the support elements, thereby the board is fixed above a chassis spaced by a given distance without interfering with other electronic parts on the chassis.

Abstract: A plastic fastener comprises an insertion leg of the general shape of the letter V, a pair of flange pieces disposed at the free ends of the insertion leg, and a pair of head pieces extended upwardly from the respective flange pieces. This fastener assumes its complete state by causing the head pieces to be twisted sidewise and moved past each other and subsequently allowing the rear edges of the head pieces to abut against each other. Two plates can be attached fast to each other simply by inserting the combined head portion of the fastener into the perforation formed in advance in one of the two plates and forcing the insertion leg into the perforation formed in advance in the other plate. Desired separation of the insertion leg from the latter plate is accomplished by moving the rear edges of the head pieces apart from each other.

Abstract: A fastener for detachably fastening first and second workpieces together is disclosed. The first workpiece has a through aperture of predetermined shape. The second workpiece has a through aperture of predetermined shape which includes a first small diameter portion having first opposed edges spaced apart a first predetermined distance and a second annularly displaced portion having second opposed edges spaced apart a second, relatively larger predetermined distance. The fastener comprises a base, a first catch portion integral with and extending outwardly from a first side of the base, a second catch portion integral with and extending outwardly from the base oppositely from the first catch portion, and a twistable stem integral with the base for enabling at least one of the first and second catch portions to be twisted for angularly spacing such catch portion for disengagement of the fastener from the aperture of at least one of the first and second workpieces with which such catch portion is engaged.

Abstract: A fastening device comprises a fastening base and a wedge member and is capable of ensuring fast engagement of an engaging leg with a panel by inserting the engaging leg in a hole formed in the panel and driving the wedge member into an insertion hole formed inside the engaging leg thereby expanding the engaging leg inside the hole of the panel and is also capable of readily releasing the engaging leg from the fast engagement with the panel by pulling out the driven wedge member.

Abstract: A one-piece fastening element of synthetic material, comprising a head and a relatively rigid axial shank adapted to be inserted into the aperture of a workpiece. The shank is formed with two or several axial rows of flexible lamellar radial ribs formed integrally with the shank in circumferentially offset and axially spaced arrrangement.

Abstract: A cover plate for covering an upper opening of a spare wheel housing for accommodating a spare wheel of a vehicle. The cover plate is so formed as to completely cover the upper opening of the spare wheel housing and is provided at a center of a lower surface of the cover plate with anchoring means adapted to resiliently engage a hub hole of a wheel disc of a spare wheel, thereby preventing the cover plate from being shifted by vibrations or other forces of the vehicle.

Abstract: A clip for retaining molding to a predetermined inside face of a window glass receiving frame in an automotive body having a band-like support plate formed of an elastic material. The support plate includes a hook member formed integrally with the support plate to thereby define a spacing for insertion of the molding between the window glass receiving frame and the hook member and elastically engageable with the molding and a pair of wing plates formed at both outermost ends of the support plate and bent in a direction opposite to the retaining face of the support plate. The wing plates have a mechanism engageable with the support plate while the wing plates are bent substantially to 180.degree. and another mechanism effective to disengage the wing plates with the support plate, upon insertion of the molding in the spacing between the frame and the hook member of the clip.

Abstract: A fastener constituting an essential part of a fixing structure for fastening a radiator grille to an automobile body is provided on one side of the base plate portion thereof with fastening means for engagement with the automobile body and on the other side of the base plate portion with fastening means for engagement with the radiator grille and additionally with a rib in a position surrounding the radiator grille fastening means which rib is tightly accommodated into a recess formed in the radiator grille fastening portion. This arrangement gives the fastener enhanced resistance to various forms of stress that may be exerted on the radiator grille in use.

Abstract: A fastener assembly is disclosed which comprises a clip for mounting a constituent member to a corresponding receiving member. A socket portion is integrally formed on the constituent member, which socket portion has a cylindrical opening with a pair of engaging projections extending from opposing inner peripheral surface portions of the opening toward each other. The clip has a shaft, a support portion formed at a longitudinal central portion of the shaft and adapted to fit in the opening of the socket portion, a pair of spearhead-shaped snap portions formed at opposite ends of the shaft, one of which snap portions is adapted to fit in the opening of the socket portion and engage the projections, and small flexible bosses which retain said one of the snap portions in the opening when this snap portion is disengaged from the projections. A mounting hole is bored on the receiving member so as to receive the other one of the snap portions.

Abstract: The invention relates to a fastening element of synthetic material comprising a sleeve-like hollow insert member adapted to be inserted into a prefabricated opening in a carrier plate and engaging beneath the underside of the opening edge by means of an undercut formed integrally therewith, and a head member connected to the insert member for fastening an article at the carrier member, with either the article to be fastened or the head member lying in close engagement with the side of the carrier plate opposite the undercut.

Abstract: Disclosed is a plastic fastener which comprises one or more protective frames having a profile suitable for substantially intimate insertion into matched openings formed in a given basal object and as many fixing legs formed within the empty spaces enclosed with the protective frames and provided with engaging claws for fast engagement with the edges of the openings in the basal objects. When the fastener is attached to the basal object by the cooperation of the fixing legs and their respective protective frames, the protective frames bring about a reinforcing effect and add greatly to the fastness of the engagement between the fastener and the basal object.

Abstract: A harnessing device formed by a locking head and an attached ladder strap. The head contains a locking tang and a guide channel that receives the strap after encirclement of items to be harnessed. The tang engages the rungs of the ladder strap for the adjustable retention of the harnessed items. The free end of the strap has a light-weight webbed tail that facilitates the insertion of the strap into the head. The strap is advantageously molded of a stretch reorientable material and is subsequently stretched to produce a suitable strengthening and elongation of the webbed tail.

Abstract: A plastic clip comprises an insertion piece adapted to be inserted into the groove of an object having a section of the shape of the letter "C" from one end thereof, a neck portion projecting from the center of one surface of the insertion piece and adapted to pass along the slit communicating with the groove of the object, and an oblong head piece formed at the leading end of the neck portion. The insertion piece of the clip is provided with four flexible wings projecting outwardly from the four positions on the outer boundary of the central piece. With this clip, the object is fixed on a given panel by causing the central portion of the insertion piece to be slid into the groove of the object, then allowing the oblong head piece of the clip to be passed through a matched oblong hole bored in advance in the panel and finally turning the protruding oblong head piece by 90.degree., and the removal of the object from the panel is effected by turning the oblong head piece by another 90.degree..

Abstract: There is described a tamper-proof fastener for use in security applications, the fastener comprising inner and outer members interconnected by flexible straps. The inner and outer members each comprise a leading end, a shank, and a trailing end, the shank of the outer member consisting of two substantially parallel legs defining between them an open-sided passage which contracts towards the leading end, and the leading end of the outer member consisting of two limbs which define between them an open-sided space and converge to a tip where they are interconnected, each limb being connected to a respective leg and presenting an external shoulder facing away from the tip and an internal shoulder facing towards the tip, the trailing end of the outer member including outwardly extending portions presenting an external shoulder facing the leading of the outer member.

Abstract: A spring retainer strip for releasably securing a liner and a gasket to the inner face of a refrigerator door. The retainer strip has a length which is generally equal to that of the gasket to be secured and a width which is somewhat less than that of the gasket. The retainer strip has a rectangular body portion with a plurality of spaced fingers extending from one side of the body. The retainer strip can be moved from a first to a second staging position to effect clamping of the liner and gasket to the refrigerator door. Return to the first staging position facilitates removal and replacement of the linear and the gasket. A method of assembly is also disclosed.

Abstract: The disclosed structure is for mounting an element to a body, comprising a through hole bored on one of the body and element, a mounting hole bored on the remaining one thereof, and a unitary clip detachably engaging said through and mounting holes, said clip having a holding portion engageable in said through hole, and said through hole having a guide means for twisting said holding portion as the holding portion is inserted in the through hole but releasing said twist upon complete insertion of the holding portion into the through hole.