Abstract: A stator (2), a rotor (5, 6, 7, 8), and an elastic element (3) and rolling members (4) are provided to collectively form a rotational damper. When the rotor has, with respect to the stator, a rotational movement to be moderated, the balls or rolling members (4) are driven by the rotor while remaining partially embedded in the elastic element (3), the latter having a wall (16) parallel to the end walls (10A, 10B) of the stator (2), in which the balls (4) penetrate, so as to resist and thereby dampen the rotational movement. This embodiment provides two-directional dampening. In accordance with a second embodiment, one-directional dampening is achieved by the balls (4) being disposed within variable depth recesses (24') of the rotor element (5').

Abstract: A fixing device (1) for securing a cover (3) to a seat (4) comprises a support (2), and a plurality of elastic fastenings (5) locked in the support (2), wherein the support (2) comprises more locking apertures (8) than the device (1) has elastic fastenings (5). The support (2) is sewn onto the covering (3), the fastenings (5) are locked in the support (2), and after positioning the covering (3) on the seat (4), the hooks (11) of the fastenings (5) are engaged upon components (17) of the seat (4).

Abstract: In a seal for an opening, a bead of meltable glue (3) is deposited on the top face of the peripheral flange (4), the bottom face of which lies facing the metal sheet (7) about the circumference of the opening (8), holes suitable for the glue to pass through when it melts as a result of the metal sheet being heated, being provided between the top and bottom faces of the peripheral flange, the glue, when cooling, fixing together the metal sheet and the bottom of the peripheral flange.

Abstract: The annular fastening device comprises a male attachment element (2) of moulded plastic material, a female attachment element (3) of moulded plastic material, and a flexible strap (4) which is attached at a first end to the male attachment element (2) and at a second end to the female attachment element (3).A seat cover includes a hem which is peripheral to an opening for introducing the cover onto a seat, together with a fastening device, the strap (4) of which is inserted through the said hem.In accordance with a method of securing the cover to the seat, a cover is used, which is slid over the seat and which is stretched over the seat cushion of the seat by means of the annular fastening device (1).

Abstract: A plug is adapted to be fixed by means of a hot melt adhesive into an opening in a plate. It comprises a molded plastics material body and a bead of hot melt adhesive deposited onto a peripheral surface of the body around a surface transverse to the peripheral surface. The body comprises at least one snap-fastener blade having an insertion ramp and a retaining lip such that the insertion ramp bears against the edge of the opening when the plug is placed on the latter, bends if pressure is then applied to the plug to press it into the opening, and expands thereafter with the lip facing a first side of the plate while the bead of adhesive faces a second side of the plate. The snap-fastener blade extends between an attachment end and a free end in a longitudinal direction parallel to the peripheral surface and to the transverse surface. The blade is therefore entirely on the second side of the plate when the plug is snap-fastened in place.

Abstract: A clip for fixing a panel (17) to a support (18), comprising: a relatively stiff moulded plastics material body (1) having a head (2) adapted to be mounted to the panel through an orifice (19), a foot (3) adapted to be mounted to the support through an orifice (20), a flange at the place where the foot (3) and the head (2) merge and a relatively soft plastics material washer cooperating with the flange to provide a seal with the support characterized in that the washer (14) is overmoulded onto the periphery of the flange (4).

Abstract: A fastener comprises at least one spring tab for snap-fastening an object to the fastener. The spring tab has an inclined surface extending between a first end and a second end, opposite the first end, at which it has a retaining surface set back beneath the inclined surface. The object to be retained has a projecting portion adapted to bear upon the inclined surface of the spring tab when the object is pressed against the fastener. Snap fastening is achieved by pressing the object to be retained onto the fastener in the direction extending from the first end towards the second end. The spring tab deflects and the projecting portion of the object to be retained slides upon the inclined surface of the tab. When the second end of the inclined surface is passed, the spring tab returns toward its original undeflected position and the retaining surface overflies the projecting portion of the object to be retained.

Abstract: A two-part fastener for mounting a component upon a substrate comprises a first part having an elongate hollow body, a self-tapping threaded portion defined upon an exterior peripheral portion of the elongate body whereby the first part can be threadedly secured within the substrate, and a first snap-fitting engagement member defined upon an internal peripheral portion of the first part. The second part likewise comprises an elongate body, a support portion for fixedly mounting the component thereon, and a plurality of axially spaced second snap-fitting engagement members defined upon an external peripheral portion of the second part. When the second part is axially inserted into the first part, for example, with the component affixed thereon, the second snap-fitting engagement members of the second part selectively engage the engagement member of the first part such that the disposition of the component supported upon the second part can be adjustably mounted as desired relative to the substrate.

Abstract: A snap-fastener comprises an end plate (10) and a pair of resilient tangs (11A, 11B) extending from the plate and it so disposed that when each of the tangs bends it is displaced parallel to the arms (8, 9A, 9B).

Abstract: An adjustable stop which has a socket (1) of which the end surface (2) forms a stop-surface, a housing (3) fitted with holding means for securing the same to a first element (4) and a clamping rod (7) for radially expanding an inner tube portion (6) of the housing (3) so as to lockingly engage the socket (1).

Abstract: A device suitable for fixing panels comprises a male part having a mounting head and an elongate body between the mounting head and a retaining head. The retaining head has a retaining surface directed towards the mounting head, a snap-fastener surface, and a retaining edge defined by the intersection of the retaining surface with the snap-fastener surface. A female part of the device has a receptacle for the body of the male part and at least one circumferential sector for retaining the retaining head of the male part in the axial direction. The retaining edge is adapted to penetrate the retaining sector(s) to provide an axial retention opposing withdrawal of the male part from the receptacle in the female part.

Abstract: A securement foot is lockable to a support of any kind. It comprises a base formed with a longitudinal stop, two lateral stops and a transverse stop, with another transverse stop being provided on an element hinged to the base, said hinged element carrying a portion of the locking means, with the other portion thereof being integral with the base. The support is for example a hook, a holding clip, and the like.

Abstract: A butt jointing assembly comprises two identical butt joint parts with the one being reversed with respect to the other. The butt joint assembly comprises an elastic locking and unlocking pawl and at least one retaining slot therein such that the pawl in the one part engages the slot in the other part, as two of such parts are butt jointed, the elastic pawl being moreover flexible through pressure of one's finger to unlock it. Application to the connection of rigid or supple elements with each element being provided with a butt joint part or being configured so as to have a butt joint part at one end thereof.

Abstract: The invention relates to a buckling device of the type having a strap or other connecting means, a male and a female elements, means for retaining said strap and male and female catch means. Said catch means consist of a retaining volume of said female element and a protuberance of said male element. Two abutments of said male elements cooperate with two obstacle means of said female element in such a way that said male and female catch means are preserved from any traction forces applied to the buckling device. The removal of said abutments of said element from said obstacle means of said female element is produced by the crushing of an elastic means of the male element within a holding volume of the female element.

Abstract: A clamping self locking collar includes a split ring, an actuating lever, and a buckle. The lever engages one end of the clamping split ring and the buckle is associated with the other end of the ring. The lever coacts with the buckle in an overcenter manner to positively lock the clamping collar around an article of a predetermined size. The various elements of the collar are produced from a single injection moulding step and are kept together prior to assembly by the inclusion of frangible connections and flexible filaments. No tool is necessary for installation of the clamp or for ensuring safety and intensiveness of the clamping.

Abstract: This invention is a terminal connector device for electrical wires and comprises a flap member movable under the action of an actuating button, which flap is interposed, in a biased position, between a terminal entry member and a wire receiving support. The withdrawal of said flap from this interposing position, under the action of said button, permits the introduction of the wire whose connecting is obtained automatically by lateral wedging of the wire inserted into said receiving support by the action of said flap, when the button is released. The button is lockable to hold said flap in its retracted position permitting introduction of the wire, which position also enables the disconnection of a previously positioned wire.

Abstract: The invention relates to an unextractable fastening device for mounting in an opening formed in a panel.The device is of the kind comprising a head, a curved retaining cam and a flexible locking element and is characterized in that it has a body complementary to and without clearance with the perimeter of the opening and in that a gap formed in said body enables said locking element to withdraw into said gap when the device is inserted into the opening.The device is applicable to standard round, rectangular or square openings and withstands considerable loads without play.

Abstract: A sealing plug device for fitting holes, orifices, and openings formed in panels, of the dish plug type having a bottom portion, a lateral wall, engagement means on said wall, an elastic collar to be applied against the forward edge of the hole and thermofusible means disposed between the panel and said elastic collar; said sealing plug device comprises application or collar means having in particular a peripheral channel, thermofusible means having in particular a peripheral cord liable to be crushed and melted between said channel and panel within the space that may occur between said sealing plug device and the hole to be fitted in, so that after cooling such device becomes perfectly integral with said panel in said hole due to solidification of the thermofusible means to be exact required shape without any loss of material whatever the planarity and position in space of said panel may be.

Abstract: The invention relates to a one-piece plastics fastener for positively fastening an element to a support, permitting removal of such element while the fastener is self-retained thereon.The subject fastener of this invention is so devised as to enable it if necessary to be mounted on the element to be fastened prior to mounting of the two together on the support, which is important in the event of assembly-line operations.

Abstract: The invention relates to a fixing device for securing any part to a holding member. The fixing device comprises spreadable means in a hole or bore formed in the holding member on the one hand, and on the other hand spreading means. An actuating means is provided to drive the spreading means into the spreadable means so that depending on the length of penetration of the spreading means thereinto the fixing device can be blocked on the holding member and accommodates any thickness variations of said holding member. The invention is used to secure by means of a screw or rivet any part on a holding member such as a panel.