| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 411132000 | Member or portion thereof located between substructure and inwardly facing surface of bolt head or nut | 47 |
| 20140037400 | Assembly Comprising A Device For Locking A Fastening - An assembly includes a support fastened to a structure by a fastening element extending along a fastening axis. and includes a bore for the passage of the fastening element. The fastening element includes a surface for driving in rotation. The assembly includes a device for locking the fastening element in rotation including a moveable end resting against the surface for driving in rotation the fastening element. The locking device is configured so that, at rest, the moveable end enters into the volume normally occupied by the surface of the fastening element. The locking device is placed between the support and the fastening element so as to be deformed elastically by the surface when the fastening element is put in place in the bore of the support. The moveable end includes locking shapes capable of interacting with the external shapes of the driving surface to stop the fastening element from rotating. | 02-06-2014 |
| 20140056666 | Self-Locking Sealing Device - The invention relates to a shut-off device comprising a plug intended to be placed over a threaded orifice of a casing, or to be removed therefrom, by screwing and unscrewing respectively, the plug comprising a central body bearing a screw thread, and locking and unlocking means that oppose the spontaneous unscrewing of the plug and that are activated automatically by the turning of the plug and its corresponding progression in the direction of screwing along a longitudinal axis. The locking and unlocking means comprise two releaseable coupling members, of which a first member is coupled to and turns with the central body via a protective skirt and of which a second member can be prevented from turning with respect to the casing during screwing. | 02-27-2014 |
| 20140205394 | LOCKING DEVICE - A locking device for fixing an electronic component to a housing includes a rear stop frame adapted to be disposed on the housing for fixing a rear side of the electronic component, a front frame spaced apart from and in front of the rear stop frame and having a retaining portion, and a locking mechanism including a positioning frame for fixing a front side of the electronic component, and a locking member disposed on the positioning frame and releasably engaged to the retaining portion. The locking member is engaged to the retaining portion to fix the positioning frame on the front frame. | 07-24-2014 |
| 20150139750 | LOCKING POSITION STUD FASTENER FOR A VEHICLE LAMP ASSEMBLY - A locking position stud fastener is configured to position, lock, and securely hold a lamp assembly to a vehicle body. A method for installing a lamp assembly on to a vehicle body having at least one opening for receiving a fastener includes the steps of securing a first end of a stud to the lamp assembly, rotating the stud about its axis, passing the stud through the vehicle body opening, and then locking and securing the stud in the vehicle body. | 05-21-2015 |
| 20150147133 | FLOATING FASTENER MOUNTING STRUCTURE - A floating fastener mounting structure includes a metal panel member defining a convex wall portion and a mounting through hole at the convex wall portion, a mounting socket including an axially extended center hole, an annular step and a stop flange extended around the periphery at different elevations and an annular locating groove defined between the annular step and the stop flange. The mounting socket is riveted to the metal panel member to force the annular locating groove into engagement with the convex wall portion, enabling the convex wall portion to be tightly stopped between the annular step and the stop flange. The annular step defines a downwardly and outwardly sloping top surface for guiding the convex wall portion of the metal panel member into engagement with the annular locating groove of the mounting socket in the rivet operation. | 05-28-2015 |
| 20150292539 | FLOATING FASTENER MOUNTING STRUCTURE - A floating fastener mounting structure includes a mounting socket having an annular bottom stop flange and mounting portion extending around a bottom end of a center hole thereof, a locking member including a shank inserted through center hole, a mounting head located at the top end of shank and suspending above center hole and an expanded locking end tip located at the bottom end of shank and movable in and out of the bottom end of center hole, a spring member mounted around shank and stopped between mounting socket and locking member, a cap member fastened to mounting head and having an outer diameter not larger than outer diameter of annular bottom stop flange and defining an accommodation chamber for accommodating a part of the mounting socket and a part of the mounting head. The mounting portion is downwardly inserted into a mounting through hole, and then a stamping process is applied to deform the peripheral wall of mounting through hole into a riveting portion and to simultaneously force riveting portion into engagement with the mounting portion tightly. | 10-15-2015 |
| 20160068275 | LOCKING MEMBER WITH SEALING INSERT AND CHANNEL - A locking member includes a body having a first end, a second end opposite the first end, a bore extending through the body from the first end to the second end, a bearing surface at the first end, fastening means for securing the locking member to a pin member, and a channel formed within the bearing surface and surrounding the bore. The locking member also includes a first insert located within the channel. The first insert is adapted such that, when the locking member is secured against a surface of a workpiece, the first insert prevents passage of a sparking material from within the bore of the locking member. | 03-10-2016 |
| 411133000 | Member fixed to bolt shank, and member or bolt fixed to substructure | 3 |
| 20100003105 | METHOD FOR PRODUCING A LOCKING RING BOLT AND LOCKING RING BOLT - Method for producing a locking ring bolt, a locking ring bolt, and a fastening device. The method includes pressing a holding geometry into a stationary blank. The locking ring bolt includes a shank having a holding geometry that includes radially peripheral grooves interrupted by at least one web. The fastening device includes a shank having a holding geometry that includes at least one radially peripheral groove interrupted by at least one web, and a locking ring comprising a sleeve shaped body defining an interior. | 01-07-2010 |
| 20100202851 | Fastener for arranging a rod element on a mounting channel - The invention relates to a fastener ( | 08-12-2010 |
| 20140356096 | UNITARY CARRIAGE BOLT - A unitary carriage bolt that has nibs that will counter sink into a work piece to prevent rotation of the carriage bolt. As the nut of the unitary carriage bolt is tightened down the nibs are forced into any malleable surface. Once the nibs are totally counter sunk into the work piece the unitary carriage bolt cannot be rotated. The nut must first be loosened enough for the nibs to be removed from the work piece before it is rotational. | 12-04-2014 |
| 411134000 | Means holding member to bolt, nut or substructure prior to use | 2 |
| 20100040430 | LOW-PROFILE CAM LOCKING THREADED FASTENER - An low-profile cam locking fastener assembly in which a locking nut is connected to a locking washer through a tubular skirt that extends from the nut opening. The skirt and nut opening are coaxial having contiguous inner surfaces that are threaded to receive a bolt or stud. The washer is mounted to the skirt so as to be rotatable with respect to nut as well as axially movable to a position in which cooperating cam elements on opposing faces between the washer and the nut are separated. The cam elements are arranged so that when the nut and washer are fastened down to a bolt or stud on a workpiece, the cam elements engage one another to substantially prevent the nut from loosening from the threaded bolt/stud. | 02-18-2010 |
| 20120308328 | FASTENING TOOL - A fastening tool includes a nut having a short side that is shorter than a width of an opening portion, and a long side that is longer than the width of the opening portion, and at a mounting position in which the short side corresponds to a short side of the base portion, the nut is inserted into a hollow portion inside a structure (for example, a C-shaped steel). A male screw portion (for example, a bolt), which has been inserted from the opening portion, is screwed into the nut, and also the nut rotates inside the hollow portion, so that the nut reaches a fixed position which cannot be pulled out from the opening portion, and is fixed into the hollow portion through the male screw portion (for example, the bolt). The base portion includes a temporary fixing claw temporarily fixing the nut in the mounting position. | 12-06-2012 |
| 411140000 | Elongate member moves in longitudinally extending opening in bolt head or nut to enter substructure | 2 |
| 20100284764 | ANTI-THEFT FASTENER - The anti-theft fastener has a shearing head, a shaft and a fastening element. The shearing head has at least one shearing tab. The shaft is threaded and connected the shearing head. The fastening element is mounted around the shearing head and has an outer surface having a countersink and at least one shearing recess. The countersink is formed in the outer surface around the connecting hole. The at least one shearing recess is formed in countersink, and corresponds to the at least one shearing tab, and each shearing recess has at least one shearing surface, whereby the at least one shearing tab is broken off by the shearing surface of the fastening element. | 11-11-2010 |
| 20120251263 | CONNECTION ASSEMBLY - A connection assembly for connecting a first member to a second member includes a first threaded member extending through the first member and engages with a first engagement hole of the second member, and a second threaded member extending through extending through the first threaded member and engages with a second engagement hole of the second member communicating with the first engagement hole. | 10-04-2012 |
| 411141000 | Locking dog or pawl carried by bolt head or nut and engaging substructure | 1 |
| 20130294861 | BOLT MOUNT SYSTEM - A mount apparatus for a frame member is provided. The mount apparatus includes a bolt and a retainer. The bolt includes a head, a shank extending from the head, and a tang extending radially from the head. The retainer includes a reactive plate fixing the retainer against rotation relative to the frame member and an engagement slot defined by the retainer having a first wall disposed to prevent positive rotation of the tang. | 11-07-2013 |
| 411143000 | Formations on either member or surface, and cooperative, restricting means on the other | 4 |
| 20150023756 | CAPTIVE FASTENER APPARATUS FOR CHAIN GUIDE OR TENSIONER ARM - A fixed or adjustable chain guide includes a captured shoulder bolt fastener. An adjustable chain guide such as a chain tensioner arm assembly includes a tensioner arm with a pivot bore defined about a pivot axis. The pivot bore includes an inner end opening through a rear face of the tensioner arm and an outer end opening through a front face of the tensioner arm. The tensioner arm further includes at least one resilient fastener retaining tab located adjacent the pivot bore. The shoulder bolt extends through the pivot bore and is engaged by the at least one resilient fastener retaining tab, and the at least one fastener retaining tab inhibits separation of the fastener from the tensioner arm. The fastener preferably includes an annular groove or other recess to be engaged by the one or more fastener retaining tabs in order to permit the tensioner arm to rotate relative to the fastener. New shoulder bolt fasteners are also defined, each including a shoulder region having at least one retaining feature such as an annular groove adapted to be engaged by a projecting portion of an associated component for axially capturing the fastener to the associated component while permitting rotation of the associated component relative to the fastener. | 01-22-2015 |
| 411144000 | Formations on surface, means on member, one of which presents a sharp edged configuration | 3 |
| 20130315688 | Nut Holding Structure For Solar Power Junction Box - A nut holding structure for a solar power junction is disclosed. The nut includes screw-connected base having one end disposed on junction box and other end has a holding assembly and a threaded segment. The nut is screw-coupled with the screw-connected base, in which the outer edge is being convexly disposed with at least one holding hook. The holding hook and the holding assembly mutually prop up and couple the nut, after the nut being is completely screwed on to the threaded segment to prevent the nut from slipping off and thereby improving assembling and increasing the reliability of connection between the nut and the screw-connected base. | 11-28-2013 |
| 411145000 | Formations comprise ramplike teeth, means comprises a movable pawl | 2 |
| 20130004258 | FASTENING DEVICES, ASSEMBLIES AND RELATED METHODS - Fastening devices are disclosed herein with variations on how said devices resist loosening or un-fastening from a structure or structures. In some examples, the fastening devices accomplish the removal resistant condition by using a spring component engaging ridged surfaces. The spring component generally consists of a spring ring conveniently coiled to a canting position. One exemplary design is characterized by incorporating a screw element with its head underside surface being ridged and a lock element with a ridged topside surface and engaging the two ridges surfaces. Another exemplary design is characterized by a screw element having a head outer sidewall being ridged for cooperating with a bore having a ridged inner sidewall. The bore can be part of a first body or structure or a lock element. | 01-03-2013 |
| 20140212240 | FASTENING ASSEMBLY - A fastening assembly includes a fastening screw and a fastening assembly. The fastening screw includes a head section having multiple first tooth elements at a lower surface thereof, and a screw fastening section at a lower portion thereof for fastening into a work piece. The fastening accessory includes multiple second and third tooth elements at upper and lower surfaces thereof, respectively, multiple grooves formed between the second tooth elements, and an embedding recess at an upper portion thereof. The fastening accessory is accommodated at a lower portion of the fastening screw to lodge the first tooth elements into the embedding recess, such that the fastening accessory is closely fastened to the lower portion of the fastening screw. The third tooth elements are engaged to a surface of the work piece to allow both of the fastening screw and the fastening accessory to become closely fastened to the work piece. | 07-31-2014 |
| 411147000 | Member comprises washer formed as closed loop or apertured plate or as split ring | 28 |
| 20090208308 | Screw Driving Device and Screw - To provide a screw fastening device that, when performing a screw tightening operation, can substantially reduce the running torque directly applied by external force to a screw driving device. | 08-20-2009 |
| 20130108391 | Mounting Mechanism | 05-02-2013 |
| 20130287519 | FORM LOCKING CONNECTION WITH COMPENSATION OF POSITION ERRORS - A form-locking connection with compensation of position errors including a first component and a second component to be connected to each other; characterized by a first circular form-locking element associated with the first component; a second circular form-locking element associated with the second component, and a compensating element provided between the first form-locking element and the second form-locking element, wherein the form-locking elements are fixed in the axial position thereof and together with the compensating element form an interlocking arrangement which positions the first component and the second component with respect to each other, wherein a side of the first form-locking element which faces the second from locking element is provided with a first surface which is curved in the manner of a spherical segment and the center point of curvature of which is positioned on the axis of the first form-locking element; wherein that side of the second form-locking element which faces the first form-locking element is provided with a second surface which is curved in the manner of a spherical segment and the center point of curvature of which is positioned on the axis of the second form-locking element, and wherein the compensating element, on the sides thereof remote from each other in the axial direction, has a third surface and a fourth surface respectively curved in the manner of spherical segments, the respective curvatures of which surfaces are matched to the facing first surface and second surface curved in the manner of spherical segments. | 10-31-2013 |
| 20140064876 | FLOATING FASTENER ALLOWING A HIGH PRE-POSITIONING TOLERANCE - A floating fastener includes a mounting base member defining a center through hole and an inward rim, a socket vertically and horizontally movably coupled to the mounting base member and stoppable below the inward rim of the mounting base member, a lock screw floatably supported on an elastic member in the socket inside the mounting base member and movable with the socket to correct positioning for detachably locking a first panel member carrying the mounting base member to a second panel member, and a stop member mounted in the socket to prohibit the lock screw from falling out of the socket. | 03-06-2014 |
| 20140140786 | ANTI-BACK-OUT FASTENER FOR APPLICATIONS UNDER VIBRATION - A fastener is configured for use in a high vibration application. The fastener includes a nut including a nut body including a cam surface comprising wedge locking action fastening features and a hex shape upon an outer surface of the nut body. The nut further includes a locking washer including matching wedge locking action fastening features to the wedge locking action fastening features of the cam surface and a matching hex shape upon an outer surface of the washer to the hex shape upon the outer surface of the nut body. The nut is configured to include a threaded inner surface selected according to a bolt to be fastened and a nut wall thickness selected according to a load to be applied to the nut. | 05-22-2014 |
| 411149000 | Plural, axially adjacent washers, or plural part washer | 10 |
| 20090060674 | Washer-lock washer and methods for making and using the same - A washer-lock washer is disclosed that can be used with a fastener. In one form the washer-lock washer is integrally connected. In another form the washer-lock washer is joined together from two separate pieces. The washer-lock washer may be provided with additional locking features, which would include nubs, indentations, protrusions or cones. This latter concept of the present invention can also be incorporated into a separate lock washer. In another form, the lock washer portion is a separate piece with additional locking features. In another form the washer-lock washer is combined with a fastener. In another form, the washer portion of the washer-lock washer can be welded in place to the mating part or secured by some other means. The washer-lock washer and washer lock-washer fastener combination expedites assembly of products using the same, and can be used to hold together parts in conjunction with either a threads in one of the parts or a separate nut. Various forms for the locking portion are also disclosed. | 03-05-2009 |
| 20100098511 | LOCKING SYSTEM AND FASTENING ELEMENTS - A locking system comprising a fastening element, the fastening element being a hexagonal nut or a hexagon-headed bolt, and a locking washer unit, a locking washer having a central hole, a first side comprising a pattern of radially extending teeth and a second side comprising a pattern of radially extending cams. The system is especially characterized in that the fastening element comprises a contact portion extending from the hexagonal part of the fastening element and providing an annular end surface of the hexagonal fastening element part, the contact portion having an outer diameter (D) substantially corresponding to the maximum width (w) of the hexagonal fastening element part. The invention also. relates to a fastening element. | 04-22-2010 |
| 20100284765 | PROVIDING A COUNTER TORQUE FORCE WITHIN A FASTENING - A washer body bearing hardened balls in apertures in the washer body provides a counter-torque resistance in a fastening. The hardened balls form projections that indent the underside of a fastener head and an adjacent fastening joint surface during tightening of the fastening to prevent rotation of the fastener head while a nut is driven to tighten or loosen the fastening. A reservoir portion of the apertures in the washer around the balls receives the material displaced during indention to allow full contact of the washer with the fastener head and joint surface. The hardened balls provide point loads for ready indentation upon minimal loading to prevent rotation of the fastener, obviating the need for a counter-torque wrench. | 11-11-2010 |
| 20110027039 | Lock Washer - A lock washer includes a planar washer body formed of a sheet of resilient metal having a selected thickness no less than the pitch thread of the bolt with which it is to be used. First and second lock tabs integral with the body extend radially outward of the central aperture, wherein each of the tabs has a radially inward facing, straight, free edge transverse to a radius of the body, and each of the tabs is displaced by a spring bend to one side of the plane of the body. The washer body is etched to a selected lesser thickness in the area of the spring bend to provide a selected spring force when the tab is pushed down to the plane of the body. | 02-03-2011 |
| 20140017028 | ANTI-BACK-OUT FASTENER FOR APPLICATIONS UNDER VIBRATION - A fastener is disclosed for use in a high vibration application wherein the fastener is engaged to a blind hole. The fastener includes a lock washer including wedge locking action fastening features and a head of the fastener including mating wedge locking action fastening features. The wedge locking action fastening features include a greater inclination than a pitch angle of the fastener such that the fastener is prevented from backing out. | 01-16-2014 |
| 20140377032 | LOCK WASHER WITH TWO RINGS OF TEETH - The invention relates to a locking washer ( | 12-25-2014 |
| 20150104268 | LOCKABLE SINGLE NUT ASSEMBLY - A nut assembly is provided. The nut assembly includes a nut having a bottom extension surface and an intermediate member. The intermediate member includes at least one radially extending slot. The nut assembly also includes a washer having a base and an inner wall. The inner wall has a locking feature. The nut and the washer are operably coupled by a plurality of locking pins. The locking pin slidingly fits in the slot on the intermediate member and engages the locking feature when the nut assembly is in the installed configuration. | 04-16-2015 |
| 20160003287 | LOCKING WASHER ASSEMBLY - A locking washer assembly includes a first locking washer and a second locking washer. The first and second locking washers include a mechanism for engaging an element to be attached by means of a screw joint. The first and second locking washers include a mechanism for engaging each other. The first locking washer includes a central through hole that is larger than a central hole of the second locking washer. An attachment assembly includes a screw intended to be used with the locking washer assembly. | 01-07-2016 |
| 20160146242 | FASTENING ELEMENT AND FASTENING ASSEMBLY - A fastening assembly includes a fastening element extending along a central axis between a first and a second end. The fastening element includes a head section extending from the second end along the central axis and engageable by a tool, such as a hexagonal head. A protruding cylindrically shaped section has a smaller diameter than the head section. A flanged section is arranged between the head section and the protruding cylindrically shaped section. The fastening element on the cylindrically shaped section includes an engaging section. A first portion of the engaging section is positioned at a distance from the surface of the flanged section facing the first end, such that a locking washer will be stopped from reaching the surface of the flanged section if introduced on the cylindrically shaped section with its smaller central diameter in the direction of the engaging section. | 05-26-2016 |
| 411150000 | Having one washer, or washer part, of a more yieldable nature than another washer, or part | 1 |
| 20080310932 | Washer - A washer adapted to minimise contamination by avoiding in use inappropriate crevices. metal annular disc having an annular rebate on at least one face to its outer periphery, and a unitary formation of a flexible medium (e.g. of a food grade rubber) (A) preferably more than filling the or each rebate and (B) surrounding the outer periphery of the disc. | 12-18-2008 |
| 411154000 | Apertured plate of uniform thickness having undulating contact surfaces | 1 |
| 20130243544 | DOUBLE-ACTING LOCKWASHER - The invention relates to a locking washer which is to be inserted between a bearing element ( | 09-19-2013 |
| 411160000 | Closed loop having plural variations in the profile of a contact surface or a peripheral edge thereof | 12 |
| 20160025145 | FASTENING FRICTION PLATE, AND FASTENING AND FIXING STRUCTURE FOR STRAIN WAVE GEARING AND OUTPUT MEMBER - A fastening friction plate is wedged between the fastening surfaces of two fastening members in order to increase the fastening force between them. The fastening friction plate has a friction plate main body of a fixed thickness, and engaging protuberances having an approximately truncated cone shape formed on the both surfaces of the friction plate main body at a fixed pitch. The friction plate main body and the engaging protuberances are integrally formed by photo-etching into the both surfaces of a steel plate material having a fixed thickness. The hardness of the fastening friction plate is equal to or greater than that of the fastening surfaces of the fastening members. | 01-28-2016 |
| 20190145454 | BONDING WASHER | 05-16-2019 |
| 411161000 | Variations comprise generally radially extending ridges or grooves | 6 |
| 20080310933 | Locking Fastening Apparatus - In some embodiments fastening apparatus includes a threaded fastening element adapted to be threaded into a hole provided in a first component, the threaded fastening element including a locking collar that is defined by at least one outer peripheral surface, and a locking washer adapted to fit within a recess formed in the component to limit rotation of the threaded fastening element once the element is threaded into the component hole, the washer including an inner opening defined by at least one inner peripheral surface and a non-circular outer shape defined by an outer peripheral surface, the inner opening being adapted to receive the locking collar such that the at least one outer peripheral surface of the collar can contact the at least one inner peripheral surface of the washer. | 12-18-2008 |
| 20090003960 | Bolt and Washer Assembly Having Self-Locking and Burglarproof Functions - A bolt and washer assembly includes a washer, and a bolt including a threaded rod extended through the washer and a bolt head mounted on the threaded rod. The bolt head of the bolt has a top formed with a protruding ring and a circular recessed portion which is encompassed by the protruding ring and provided with at least two ratchet teeth. Thus, the bolt head has a peripheral wall having a smooth cone-shaped configuration so that the bolt head is operated by a special tool, and a person cannot use a common tool to hold the bolt head to rotate the bolt so as to prevent the bolt from being unscrewed from the workpiece so that the bolt and washer assembly has a burglarproof function. | 01-01-2009 |
| 20110158763 | SHOWER HEAD SECURING DEVICE - A shower head securing device has a shower head, a casing and a securing device. The securing device has a base, a ball tube, a securing screw, a shaft, the plurality of elastic pieces, the plurality of engaging pieces, a securing member and an adjusting screw. | 06-30-2011 |
| 20130170922 | METHOD AND A PLANT FOR WASHER PRODUCTION AND A WASHER - A method for producing metallic washers ( | 07-04-2013 |
| 20140308089 | RATCHET LOCKING MECHANISM FOR THREADED FASTENER - A fastening device including a fastener having a head portion and an elongated threaded body portion extending axially from the head portion. The threaded body portion includes opposing flat sections. A lock washer has a lower surface with an array of radially extending engagement teeth. The lock washer also defines an axial aperture for receiving the fastener. The axial aperture has two flat inner surfaces for cooperating with the two flat sections of the threaded body portion to prevent relative rotation of the washer and threaded body portion. A threaded lock nut mates with the threaded body portion. The lock nut has an upper surface with at least one cantilevered pawl members for ratcheted engagement with the array of radially extending engagement teeth of the lock washer. | 10-16-2014 |
| 20140356097 | TOOLS AND RATCHET LOCKING MECHANISMS FOR THREADED FASTENERS - A fastening device having a fastener with a head portion and an elongated threaded body portion extending axially from the head portion. The fastening device also includes a lock washer and a threaded lock nut for rotatably mating with the fastener. The lock washer has a lower surface with a plurality of ratchet teeth extending therefrom. The lock washer is configured to couple to the fastener for axial movement but is fixed rotationally. The threaded lock nut has an upper surface defining at least one pawl arm. The pawl arm includes at least one pawl tooth for engagement with at least one of the plurality of ratchet teeth, and a flange extending radially outward from the pawl arm. | 12-04-2014 |
| 411163000 | Variations are teeth located along a periphery | 4 |
| 20120155984 | BONDING WASHER - 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, is 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. | 06-21-2012 |
| 20130078053 | BONDING WASHER - 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. | 03-28-2013 |
| 20140169909 | BONDING WASHER - 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. | 06-19-2014 |
| 411164000 | Both peripheries | 1 |
| 20090028661 | Device For Attaching An Element To A Holder - Device for attaching an element ( | 01-29-2009 |
