1610results about "Washers" patented technology

A reaction washer includes a main body that defines an inner diameter that slidingly receives an associated threaded element therethrough so as to define a rotation axis. The main body includes a top surface and a bottom surface that face in opposite directions. The reaction washer also includes a first raised friction inducing surface that extends from at least one of the top surface and the bottom surface so as to be nonconcentric with respect to the rotation axis.

A roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes a piece of flashing positioned on the substrate. The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket is sized to support at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion, in which the first portion is positioned to abut the flashing first surface and the second portion is positioned to extend through the aperture.

The invention relates to the technical field of nuclear fusion, and discloses a supporting device and a method for assembling a vacuum chamber and a cold shield of a nuclear fusion device.The supporting device comprises a first supporting assembly and a second supporting assembly, the first supporting assembly comprises a first clamping piece, a first supporting piece and a first adjusting piece, and the first clamping piece and the first supporting piece are spaced in the first direction and connected through the first adjusting piece; the first adjusting piece can adjust the distance between the first clamping piece and the first supporting piece in the first direction. The second supporting assembly comprises a second clamping piece, a second supporting piece and a second adjusting piece, the second clamping piece and the second supporting piece are spaced in the first direction and connected through the second adjusting piece, and the second adjusting piece can adjust the distance between the second clamping piece and the second supporting piece in the first direction; the third adjusting piece is connected with the first supporting piece and the second clamping piece and can adjust the distance between the first supporting piece and the second clamping piece in the first direction. The cold shield and the vacuum chamber can be clamped, and the gap between the cold shield and the vacuum chamber can be adjusted.

A washer clip device includes a first clip arm, a second clip arm, at least one grounding element at the first clip arm and / or the second clip arm, and a fastening aperture extending through the first clip arm. The first and second clip arms are joined together at a first end of the washer clip device to define a first internal clip area adjacent the first end, and the first and second clip arms are spaced apart from one another at a second end of the washer clip device to define a receiving gap between the first and second clip arms and adjacent to the second end. This washer clip device is movable between a coupling configuration and a receiving configuration, with the receiving gap being larger when in the receiving configuration than when in the coupling configuration.

An adjustable chock is provided with a first component having screw threads, a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. At least one of the lower bearing surface of the second component and the upper bearing surface of the bearing element is provided with a coating having a coefficient friction higher than that of the associated bearing surface.

A wall fastener assembly for use with a building wall system, with the wall fastener assembly including a fastener and an elongated, semi-rigid seal member. The fastener includes a shaft and a head, with the fastener configured to be secured to the wall system. The seal member includes opposed first and second ends, and a center bore that extends along the length of the seal member and is configured to receive the shaft of the fastener. When the fastener is secured to the wall system the first end of the seal member is configured to compress against a portion of the wall system, such as against a vapor barrier, to form a first seal and the opposite second end of the seal member is configured to form a second seal to thereby seal the wall fastener assembly against the wall system.

A kit includes an adjustable chock provided with a first component having screw threads and with a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. The kit further includes at least one friction ring adapted to be mounted against the lower bearing surface of the second component or against the upper bearing surface of the bearing element.

A connector having a head that holds a first component and a body connected to the head. The body has a central channel extending along a central axis of the connector, and the central channel receives a fastener. The body has at least two resilient legs. The resilient legs extend obliquely toward the central axis in a direction from the body to the head. The resilient legs engage with the fastener, to attach the connector to the fastener.

Examples relate to a wing-nut (114) for a tolerance compensating fastener (100) cooperable with a threaded fastening element (116). The wing-nut (114) having a rigid insert (306) and a body component (300). The rigid insert (306) formed as a hollow cylindrical body and comprising a plurality of retention elements (308) and a plurality of threads (302) formed on an inner wall of the hollow cylindrical body. The body component (300) surrounding the rigid insert (306), the body component (300) having an opening, coaxial with a central longitudinal axis of the rigid insert (306), to create a through-hole with the hollow cylindrical body to receive the threaded fastening element (116). Each of the plurality of retention elements (308) is encapsulated by the body component (300) to be interlocked and fixed in the body component (300).

Described is a sealed fastener assembly for attaching a first component to a second component via a male fastener having a head and a shank. The sealed fastener assembly includes a seal and a retainer clip. The seal has a generally planar surface and a seal opening. The retainer clip has a body portion comprising a first plate that is resiliently connected to a second plate via a clip sidewall to define a channel. The second plate comprises a recessed seal pocket configured to receive at least a portion of the seal. The retainer clip is configured to receive at least a portion of the first component via the channel.

A combined washer comprising an annular disc with a central hole; and a cylindrical stem comprising a textured exterior surface and extending perpendicularly from the first side of the annular disc, wherein the textured exterior surface is configured to create a mechanical lock and avoid slipping.

A flywheel (1100) comprising a plurality of discs (1102) arranged in a stack (1104), including at least first and second end discs at either end of the stack (1104), each of the plurality of discs (1102) including a plurality of disc apertures therethrough, first and second plate members (1106) disposed at opposing ends of the stack (1104), one or both of the first and second plate members (1106) including a plurality of plate apertures (1106a) therethrough for alignment with a corresponding series of disc apertures through the stack (1104), in which one or both of the plate members (1106) includes one or more recesses (1106c) which are disposed on a disc-facing side thereof and positioned adjacent to one or more of the plurality of plate apertures (1106a), and connection means (1114) for clamping the first and second plate members (1106) together about the stack of discs, the connection means (1114) extending through each of the plurality of disc apertures, in which a spacer or space-filling means (1138) is provided between the or each connection means (1114) and the respective disc apertures for supporting the connection means (1114), the spacer or space-filling means (1138) extending from a position within the stack (1104) into the one or more recesses (1106c) of one or both of the plate members (1106).

A self-centering washer is positioned between a feedthrough and a filter circuit board. The washer has openings through which first and second terminal pins extend. A first opening has an inner arcuate portion contacting the first terminal pin and an outer perimeter portion exposing the braze sealing the terminal pin to the insulator. A second opening has an inner arcuate portion contacting the second terminal pin and an outer perimeter portion exposing the braze sealing the terminal pin to the insulator. In an imaginary configuration with the first and second washer openings superimposed one on top of the other, the cumulative arcuate distance of the inner arcuate portions about one of the terminal pins, subtracting overlap, results in a gap between the superimposed washer openings that is less than a diameter of the first and second terminal pins so that the washer is prevented from lateral movement.

The invention discloses a pressure or pre-tightening force monitoring intelligent gasket using an etching circuit, and the gasket comprises a pressed region disposed in the inner periphery, and the pressed region is provided with a variable capacitor whose capacitance value is in an expressible relationship with the pressure; the non-compression area is arranged on the periphery and provided with a metal substrate, and a frequency conversion circuit, a resonance circuit and a radio frequency antenna are etched on the metal substrate; the resonant circuit and a variable capacitor form an LC parallel resonant circuit based on an inductance element, the capacitance value of the capacitor is changed through the change of pressure or pre-tightening force borne by the variable capacitor, so that resonant signals with different resonant frequencies are generated, and the resonant signals are transmitted by a radio frequency antenna after being subjected to frequency conversion through a nonlinear electronic component of a frequency conversion circuit. Therefore, pressure or pre-tightening force monitoring of the to-be-measured bolt is realized. The intelligent gasket, especially the antenna circuit structure, is simplified, the circuit and the antenna obtained through the etching technology are low in power consumption and stable in signal, and the intelligent gasket has the advantages of being convenient to deploy, long in service life, easy to maintain and the like.

The present invention relates to a device for adjusting the camber angle for a suspension of a motor vehicle comprising a stem. A tightening assembly is tightened on a first end portion of the stem, against a first wall of a suspension. A head assembly, on a second end portion of the stem, abuts against a second wall of the suspension. In the head assembly, a first eccentric element, removably mounted on the stem, is configured to act as a cam on a first abutment portion of the suspension. The head assembly is characterized in that it comprises a locking assembly, configured to prevent the removal of the first eccentric element. The locking assembly comprises an elastic member snap engageable in a locking seat of the second end portion of the stem.

An adjustable spacer for adjusting the spacing between two bodies includes a first rotatable indexing mechanism configured to rotate in a first rotational direction; and / or a second rotatable indexing mechanism configured to rotate in a second rotational direction opposite the first rotational direction; wherein rotation of the first rotatable indexing mechanism by a given angular rotation in the first rotational direction changes a length of the adjustable spacer along the rotational axis by a first length, and rotation of the second rotatable indexing mechanism in the second direction by the same given angular rotation about the rotational axis changes the length of the adjustable spacer along the rotational axis by a second length.

A flywheel (100) comprising a plurality of discs (102) arranged in a stack (104), including at least first and second end discs at either end of the stack (104), each of the plurality of discs (102) including a plurality of disc apertures (102a) therethrough, first and second plate members (106) disposed at opposing ends of the stack (104), one or both of the first and second plate members (106) including a plurality of plate apertures (106a) therethrough for alignment with the plurality of disc apertures (102a) in the first and second end discs respectively, connection means (114) for clamping the first and second plate members (106) together about the stack (104) of discs (102), the connection means (114) extending through each of the plurality of disc apertures (102a) without contacting the plurality of discs (102).

The invention relates to a tolerance compensation device, which comprises a tolerance adjustment clamping seat, a first through hole, a second through hole and a third through hole, and is characterized in that the tolerance adjustment clamping seat comprises a bottom plate and an elastic clamping jaw connected to the outer side of the bottom; the spiral sleeve is arranged on the bottom plate, a spiral groove is formed in the outer side wall of the spiral sleeve, a containing cavity is formed in the end, away from the bottom plate, of the spiral sleeve, and a second through hole is formed in the bottom of the containing cavity; the bolt assembly comprises a locking nut, a screw rod and a stop head, the screw rod penetrates through the first through hole and the second through hole, the stop head is connected to the end, close to the bottom plate, of the screw rod, the locking nut is in threaded connection to the other end of the screw rod, and rotation resistance exists between the locking nut and the screw rod; a locking part for limiting rotation of the stop head is formed at one end, far away from the spiral sleeve, of the bottom plate; the elastic part is arranged on the spiral sleeve and connected with the locking nut, the invention further provides an assembling and disassembling method of the hidden door handle, the door handle is simply assembled and disassembled by adopting a convenient and detachable structure, and the production and maintenance efficiency is greatly improved.

An example relates to a wing nut (114) for a tolerance compensating fastener (100) that can cooperate with a threaded fastening element (116). The wing nut (114) has a rigid insert (306) and a body member (300). The rigid insert (306) is formed as a hollow cylindrical body and includes a plurality of retaining elements (308) and a plurality of threads (302) formed on an inner wall of the hollow cylindrical body. A body member (300) surrounds the rigid insert (306), the body member (300) having an opening coaxial with a central longitudinal axis of the rigid insert (306) to create a through hole with the hollow cylindrical body to receive a threaded fastening element (116). Each of the plurality of retaining elements (308) is enclosed by the body member (300) to interlock and be secured in the body member (300).

A mounting device includes a base that has an internal cavity and an open bottom in communication with the internal cavity. The open bottom mounts flush against a mounting surface without flashing when the mounting device. The base also includes a sealant within the internal cavity. The sealant directly contacts the mounting surface when the mounting device is secured to the mounting surface. The mounting device also includes a fastener opening defined in a top of the base and extending through the top to the internal cavity. The fastener opening is for receiving a fastener to secure the mounting device to the mounting surface. The securing causes the sealant to directly contact the mounting surface and the open bottom to mount flush against the mounting surface. The mounting device also includes a member extending upwardly from the top of the base and defining a first attachment face having an aperture.

A nut retainer assembly includes a bond washer and a nut retainer. The bond washer includes a flange portion, a washer coupling portion, a first interior surface, a second interior surface and a bonding surface. The first interior surface is associated with the flange portion and defines an aperture. The second interior surface is associated with the washer coupling portion and includes internal threads. The bonding surface is associated with the flange portion. The nut retainer includes a retainer coupling portion, a nut retaining portion, a first exterior surface and a third interior surface. The first exterior surface is associated with the retainer coupling portion. The third interior surface is associated with the retainer coupling portion and the nut retaining portion. The third interior surface defines a central opening extending. Other nut retainer assemblies, blind fastener systems and methods associated therewith are also disclosed.

A friction spacer adapted to be interposed between two mechanical components in order to transfer a force between the two mechanical components, the friction spacer including a flat part having two opposite surfaces defining a thickness, and a plurality of protuberances projecting from at least one of the surfaces, the protuberances of the plurality of protuberances extending from the at least one of the opposite surfaces by a determined average height. The flat part and the protuberances are produced from the same metal material, and the same metal material continuously extends between the flat part and the protuberances.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.

The utility model relates to the technical field of retainer ring manufacturing, in particular to a rotating shaft axial limiting anti-disengaging retainer ring which comprises an annular retainer ring body formed by winding a metal wire, the retainer ring body is provided with extending feet corresponding to the two ends of the metal wire in an extending mode, and the pair of extending feet intersect with each other in the plane area of the retainer ring body. The intersection point of the pair of extending feet is located on the outer side of the check ring body, the end portions of the extending feet are bent to be provided with limiting hook portions, and the pair of limiting hook portions extend towards each other in the thickness direction of the check ring body and are staggered; and in the radial outward expansion process of the check ring main body, the pair of limiting hook parts can be mutually hooked so as to prevent the check ring main body from continuously expanding outward. The anti-falling effect is achieved, and the manufacturing cost is low.

A fastening system comprising a fastener and a cage and a sealing element. The fastener is enclosed and held by the cage. The sealing element arranged so that using the fastener places the sealing element in a sealing area between the cage and the fastener.

The utility model relates to the field of clamping pieces in conductive connection, and provides a protective structure of a bonding seat and a vehicle bonding seat, the vehicle bonding seat comprises the protective structure, a bonding wire, a second flat gasket and a lock washer, a clamping surface is formed between the first flat gasket and the second flat gasket, and the bonding wire is provided with a wiring conducting strip which is clamped on the clamping surface in a sealing manner; the lock washer, the first flat gasket, the bond strap and the second flat gasket are sequentially arranged on a stud of the locking nut of the protective structure of the bond strap seat in a sleeving mode, and the locking nut of the protective structure of the bond strap seat is arranged on the stud in a sealed and locked mode. When the first flat gasket and the second flat gasket are locked on the stud through the locking nut, the first flat gasket and the second flat gasket can seal and clamp the power connection end of the bond strap. And the bonding surface is matched with the end surface of the base, so that the whole bonding seat can be tightly matched, the bonding seat has high matching precision, and good conductivity of the bonding surface and the stud is ensured.

A fastening device includes a fastener and a sealant. The sealant may be disposed about the fastener. Engagement of the fastener with a substrate forces the sealant into at least a borehole defined within the substrate as the fastener engages with the substrate.