65results about "Deformable fasteners" patented technology

A fastening assembly is provided which comprises a compensating element and an isolating member. The compensating element comprises a body having a receiving hole and a retaining flange provided at a first end of the body and having a retaining hole. The isolating member is made of metal and comprises a sleeve portion defining a channel. A fastening element inserted from a second end of the body of the compensating element can enter the channel and move in the channel in one or more lateral directions. The sleeve portion is inserted into the retaining hole and cooperates with the retaining hole to retain the isolating member in the compensating element. The fastening element fastens the compensating element to the second component via the sleeve portion, and the sleeve portion is configured to withstand an axial fastening force exerted by the fastening element on the retaining flange of the compensating element.

An air vehicle structure includes a first component having a plurality of first component openings, and a second component positioned on the first component and having a plurality of second component openings aligned with the plurality of first component openings. A plurality of fasteners extend through the second component openings and into the plurality of first component openings to secure the second component to the first component. A cover assembly is installed over the second component covering the plurality of fasteners and includes a cover frame, and a plurality of wedge lock assemblies. Each wedge lock assembly is positioned at a second component opening of the plurality of second component openings. Each wedge lock assembly of the plurality of wedge lock assemblies are engaged to an interior surface of a corresponding second component opening of the plurality of second component openings to secure the cover assembly to the second component.

Embodiments of the presently disclosed technology provide a segmented fastener that can be manipulated – segment by segment – into a hole / passage that would otherwise be inaccessible to a single-piece fastener of comparable length due to a small entrance / exit gap for inserting a fastener into the hole / passage. The segmented fastener may comprise a head segment, and one or more shank segments which are hingedly connected to each other. For example, a first shank segment may extend away from the head segment along a first axis. The first axis may correspond with an axial direction of the segmented fastener when all segments are aligned along the first axis. The first shank segment may be hingedly connected to the head segment such that the shank segment is configured to pivot, relative to the head segment, about a second axis perpendicular to the first axis.

A fastener 100 includes a sleeve 102, a pin 106, and a visual indicator 112. The sleeve 102 includes a tubular body 104. The pin 106 includes a shank 108. At least a portion of the shank of the pin is configured to extend through the tubular body of the sleeve and to facilitate deformation of a portion of the tubular body into a bulb 110 in response to a force applied to the tubular body of the sleeve by the shank of the pin. The visual indicator is configured to provide a visual verification of correct formation of the bulb.

The deformable fastening system includes a clamped component and a fastener including a bolt having a shaft portion and a head portion, the shaft portion extending along a longitudinal axis of the fastener, the head portion including at least one engaging portion and one or more protrusions formed on the at least one engaging portion on a surface thereof, the one or more protrusions being formed on the at least one engaging portion, typically adjacent to the shaft portion, and the one or more protrusions formed on the at least one engaging portion engage with a mating surface of the clamped component as the bolt is driven into the nut member to clamp the clamped component, thereby increasing an axial load during a tightening cycle and deforming the clamped component.

A cylindrical sleeve including an exterior surface configured to engage with a first receiving part and a second receiving part when the cylindrical sleeve is inserted in the first receiving part and the second receiving part; and a hollow interior, wherein the cylindrical sleeve, in combination with a fastener, assembles the first receiving part with the second receiving part.

An expansion sleeve for a connection device, the sleeve arranged on an axle of the connection device to secure the axle in a hole, the sleeve comprising: a first section with a first outer diameter; and a second section with a second outer diameter, the first section has a conical shape with a tapering inner wall configured to abut a tapered section of the axle, and an outer wall configured to abut an inner wall of the hole, the second section to axially abut a fastening device arranged at an end of the axle, the second outer diameter of the second section is smaller than the first outer diameter of the first section, and the second section comprises an inner wall extending with an angle relative the axial direction of the sleeve which is smaller than the angle of the tapering inner wall of the first section.

A floating-nut system for assembling a part and a part, the part including an opening having an axis of revolution, the floating-nut system including at least one elastomer cage device and a nut device, the cage device including a cylinder to be introduced into an opening made in the part and a collar around the cylinder. The nut device includes a cylinder having an axis of revolution and a washer to press the collar against the part when the screw is screwed into the cylinder. The cylinder is deformable as the screw is screwed in so that the axis of revolution and the axis of revolution become substantially coincident. The elastomer cage device makes it possible to reduce the mass of the floating-nut system.

A fastener including an elongated shaft extending between first and second shaft ends, with a tip provided at the first shaft end, and a thread region provided between the tip and the second shaft end; and a head with a drive region arranged at the second shaft end. The fastener also incudes a first annular undercut area in an underside surface of the head, where the first annular undercut area is configured and arranged to receive material that has flowed from a substrate during installation of the fastener into the substrate, and a second annular undercut area in the underside surface of the head, where the second annular undercut area is located radially outwardly of the first annular undercut area. Additionally, an annular sealing member is provided within the second annular undercut area, where the annular sealing member makes sealing contact with an upper surface of the substrate.

A floating nut system and a method of assembling two parts using the system. A floating nut system (1) intended to assemble a part (2) and a part (3), the part (2) comprising an opening (4) having an axis of revolution (A1), the floating nut system comprising a nut device (7) and at least one elastomeric holder device (6) comprising a cylinder (8) intended to be introduced into an opening (9) made in the part (3) and a collar (11) surrounding the cylinder; the nut device (7) comprises a cylinder (13) having an axis of revolution (A3) and a gasket (15) intended to press the collar against the part (3) when the screw (5) is screwed into the cylinder (13); the cylinder (8) is configured to deform when the screw (5) is screwed in such that the axis of revolution (A1) and the axis of revolution (A3) become substantially coincident. The elastomeric holder arrangement makes it possible to reduce the mass of the floating nut system.

The invention relates to a connecting element (1) for the mechanical connection of at least two components (2, 3), having a closure head (4) for abutment against a first component (2), and having a closure foot (5) for abutment against a second component (3) and for bracing the latter against the first component (2) in a rotated final-mounting position, and also having a stem portion (6), which extends between the closure head (4) and the closure foot (5), which is spaced apart axially from the closure head (4) in the longitudinal direction (L) of the stem, wherein the closure head (4) has a sealing surface (7), which extends in the longitudinal direction (L) of the stem portion (6) and is intended for sealing abutment against a corresponding sealing surface (18) of a recess (19) of the first component (2). The invention also relates to a connecting arrangement (28) comprising a first component (2) and at least one second component (3) and also such a connecting element (1), preferably made from a single material component.

The invention relates to a connecting element (1) for mechanically connecting at least two components (2, 3), comprising a locking head (4) for bearing against a first component (2) and a locking foot (5) for bearing against a second component (3) and for clamping the latter against the first component (2) in a rotated final assembly position, as well as a shaft section (6) extending between the locking head (4) and the locking foot (5) axially spaced from it in the longitudinal direction (L) of the shaft, wherein the locking head (4) has a sealing surface (7) extending in the longitudinal direction (L) of the shaft section (6) for sealing contact with a corresponding sealing surface (18) of a recess (19) of the first component (2). It further relates to a connecting arrangement (28) comprising a first component (2) and at least one second component (3), as well as such a connecting element (1), preferably made of a single material component.

A nipple for a spoke of a spoked wheel includes an axially extending rod having an axially threaded bore formed therein. The threads of the threaded bore define a root diameter and a crest diameter. The nipple further includes a head that is wider relative to the rod and a deformable insert that is inserted into a seat that is axially aligned with the threaded bore. The insert has a passage for the threaded spoke end, at least when inserted into the seat. The inner diameter of the passage is smaller than the root diameter of the threads of the threaded bore so that an interference fit is formed between the spoke and the threads when the spoke is threaded into the threaded bore.

The utility model relates to the field of screw production. The utility model discloses a screw riveting positioning device and a screw processed by the screw riveting positioning device, the screw riveting positioning device comprises a positioning jig, a cantilever, a lifting device, an ejector rod, an elastic element and a lifting assembly, the ejector rod is arranged on the cantilever, the lifting assembly comprises a lower lifting platform, a guide column and a positioning block, and the cantilever, the ejector rod, the lower lifting platform and the positioning jig are sequentially arranged from top to bottom. The guide columns are arranged around the ejector rod at intervals and slidably arranged on the cantilever, the lower ends of the guide columns are arranged on the lower lifting table, the positioning blocks are evenly arranged around the center line of the ejector rod at intervals and slidably arranged on the lower lifting table in the radial direction of the ejector rod, and the ends, close to the center line of the ejector rod, of the positioning blocks are each provided with a first guide face. A cone is convexly arranged on the lower surface of the ejector rod; and the first guide surface is coplanar with the conical surface of the cone. The boat-shaped sheet metal part and the screw body can be positioned, boat-shaped sheet metal parts of various specifications can be positioned, the universality is high, and the requirement for automatic production is met.

A device for lashing a vehicle to a loading surface includes a lashing ring and a fixing arrangement for fixing the lashing ring to a hub cap receptacle of a vehicle wheel of the vehicle. The fixing arrangement has a carrier insertable into the hub cap receptacle from an external side of the vehicle wheel and having a central passage opening, a threaded rod receivable in the opening, a clamping cone disposed on the threaded rod, a retaining plate having a central opening for the threaded rod, where the lashing ring is fixed to the retaining plate, and at least two locking elements. Each of the locking elements have an inner wall which corresponds to a frustoconical lateral surface of the clamping cone and an outer wall which corresponds to an inner opening wall of a region of a central opening of the vehicle wheel adjoining the hub cap receptacle.

A compression limiter of a first part comprises a body defining an opening, a pair of fingers extending from the body into the opening to a distal end configured to engage threads of a bolt of a second part, the first part and the second part being configured to be attachable to one another via the bolt passing through the opening, and a pair of slots on each side of the pair of fingers configured to allow the pair of fingers to flex in response to a force applied to the pair of fingers.

A screwboss (10) comprised of a base (11) and an upstanding main body (12) with an opening (14) at one end thereof. A series of ribs (13) are spaced apart about the main body (12), each at a position generally coinciding with an imaginary tangent line (G) extending from an edge of the opening (14). In this way, torque forces applied by a fastener driving into the opening are optimally absorbed by the rib position, such that a quicker cycle time for screwing a component in place can be achieved.

According to an aspect of the present invention there is provided a composite guide sleeve for a fastening element of a powertrain mounting assembly. The guide sleeve comprises: an elongate tubular body extending from a first end to an opposing second end, the tubular body comprising: a rigid body portion and a compressible body portion arranged along the length of the tubular body; and a bore extending from the first end to the second of the tubular body for receiving the fastening element so that, in use, the sleeve guides the fastening element through an isolator of the powertrain mounting assembly so as to join, via the isolator, a vehicle powertrain to a chassis of the vehicle, with the guide sleeve arranged between opposing surfaces of the powertrain mounting assembly. The rigid body portion is formed of a first material and the compressible body portion is formed of a second material. A modulus of elasticity of the second material is lower than that of the first material so that the compressible body portion is axially deformable between the opposing surfaces of the powertrain mounting assembly by a preload of the fastening.

A single-sided fastener includes a head, a shaft having a tail, a tail of the single-sided fastener including the tail of the shaft and a sleeve surrounding the tail of the shaft, and a barrier secured to the tail of the single-sided fastener. The sleeve is configured to expand away from the tail of the shaft to form an expanded sleeve that is forced against a face of a workpiece to sandwich the workpiece between the head and the expanded sleeve. The barrier is configured to be forced against the face of the workpiece to form a sealed covering around the tail of the single-sided fastener.

The invention relates to a fastening assembly. The fastening assembly has at least one nearly cylindrical element and a corresponding element. Fig. 1

- Floating nut system of reduced mass and method for assembling two parts using said system. - The floating nut system 1 being intended to assemble a part (2) and a part (3), the part (2) comprising an opening (4) having an axis of revolution (A1), the floating nut system (1) comprising at least one cage device (6) made of elastomer and a nut device (7), the cage device (6) comprising a cylinder (8) intended to be inserted into an opening (9) made in the part (3) and a crown (11) around the cylinder (8); the nut device (7) comprising a cylinder (13) having an axis of revolution (A3) and a washer (15) intended to press the crown (11) against the part (3) when the screw (5) is screwed into the cylinder (13); the cylinder (8) being configured to deform when screwing the screw (5) so that the axis of revolution (A1) and the axis of revolution (A3) are substantially the same.The elastomer cage device (6) makes it possible to reduce the mass of the floating nut system (1).

The present invention relates to a nut device comprising a body including first and second surfaces connected by an outer wall and a central threaded opening having internal threads for engaging an elongated fastening member, and a deformation measurement device received on or formed associated with the body, which allows for more accurate determination of forces applied to a fastener.

Fastening screw (2) comprising a threaded shank (21) with an external thread, and a screw head (23), a truncated circular cone portion (22) being provided axially between the screw head (23) and the threaded shank (21).

A method of using a fastener assembly includes aligning a first opening having a first diameter in a first component with a second opening having a second diameter in a second component and inserting a shaft having an outer diameter surrounded by a sleeve through the first opening and the second opening. The sleeve includes a proximal end, a distal end, an inner diameter, and an outer diameter. The method also includes compressing the proximal end and distal end of the sleeve to deform the sleeve and increase a wall thickness of the sleeve within at least one of the first opening or the second opening.