Abstract: The disclosure relates to an anti-loosing bolt component capable of presetting torque and controlling disassembly, including: a nut, a bolt and a tab washer that match each other. The nut is provided with a ratchet structure, the bolt is provided with an axial groove, and the tab washer is provided with a elastic pawl matched with the ratchet structure, and a horizontal protrusion provided with a prefabricated notch and matched with the axial groove. The ratchet structure adopts a matching mode that the difference between the number of ratchets and the number of the elastic pawls is 1, so that the nut can be engaged by a very small rotation angle. The preset torque of the prefabricated notch can be set according to a safety factor. The bolt component can be accurately prevented from loosening.

Abstract: A kit that may include a locking unit and an external portion of a motor housing; wherein the locking unit comprises a threaded opening and first securing elements; wherein the external element comprises an opening and second securing elements; wherein the threaded opening is shaped and positioned to mesh, in a coaxial manner, with a thread that is mechanically coupled to an axis of a motor; wherein the first securing elements and the second securing elements are shaped and positioned to mesh with each other and prevent a rotational movement between the first securing elements and the second securing elements.

Abstract: A shipping strap assembly protects the isolator mechanism of a vibratory screening machine against exceeding its elastic limits. The isolator mechanism is pivotally connected between shafts on the machine frame and the machine basket. The protective assembly includes a distally narrowing boss on at least one of the shafts. A rigid strap has two apertures, one contoured to receive and ride on the boss and the other contoured to receive the other shaft, spaced to maintain the distance between the shaft axes within an elastic limit of the isolator mechanism. The narrowing boss provides leeway for easy manual alignment of the mechanism shafts with the strap apertures, and the narrowing boss and contour of the other aperture facilitate restoration toward its normal load length, of an elastically distorted mechanism.

Abstract: A fastener and associated lock washer having an integral anti-rotation mechanism. The head of the fastener includes a plurality of saw teeth—arranged in a radial array. A lock washer is configured to interact with the head of the fastener. The lock washer includes one or more spring tabs positioned to bear against the radial array of saw teeth. As the fastener is rotated in a first direction, the saw teeth depress and pass over the spring tab(s). However, if the user attempts to rotate the fastener in the opposite direction, the spring tab snaps up into the saw teeth and arrests the motion—in the manner of a ratchet and pawl mechanism. The invention preferably includes a second means for selectively defeating the anti-rotation mechanism.

Abstract: A plug assembly configured for installation in a hammer assembly, the plug assembly comprising a cylindrical plug and an anti-rotation component. The cylindrical plug may include a plug head and a plug body. The cylindrical plug may include a receiving feature located in the plug head. The anti-rotation component may include a first locking feature and a second locking feature. The first locking feature may be configured to fixably engage with the receiving feature. The second locking feature may be configured to engage with the hammer assembly.

Abstract: 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.

Abstract: Actuator stem and rod end bearings having locking mechanisms are described. An example apparatus for use with a control valve actuator includes a rod end bearing having a bearing retainer and a shaft portion extending from the bearing retainer, where the shaft portion defines a first face. An actuator stem has a first end to be operatively coupled to a diaphragm plate of the control valve actuator and a second end to be coupled to the rod end bearing, where the second end defines a second face. The first face engages the second face to provide a lock that prevents rotation of the actuator stem relative to the rod end bearing when the actuator stem is rotated in a first direction.

Abstract: The invention relates to a locking washer which is to be inserted between a bearing element (38) and a screwable element (42) and which includes two washer crowns (12, 14), each of which has an engagement face (22, 24). Said washer crowns (12, 14) which engage with one another and are maintained compressed under axial pressure between said screwable element (42) and said bearing element (38) are capable, when said screwable element is unscrewed, of rotatably engaging with said screwable element (42), and said bearing element (38), respectively, so as to rotate said washer crowns (12, 14) relative to one another, in order to rotatably lock said screwable element (42). According to the invention, said locking washer presents a shape of a truncated cone, and said locking washer (10) is elastically deformable in order to be able to be flattened, forming a spring, such that said axial pressure is maintained substantially constant.

Abstract: One embodiment of the present invention is directed to a bone plate assembly that includes a bone plate, bone screw(s) received in aperture(s) in the bone plate, and screw fixation member(s). The screw fixation member(s) may, alone or in conjunction with the bone plate, fix the bone screw(s) in place when such bone screw(s) are inserted in the aperture(s) in the bone plate. In one example (which example is intended to be illustrative and not restrictive) when the bone screw(s) have been received by the bone plate and inserted into bone and/or tissue, the bone plate assembly can-be used to fuse anatomical structures together (such as adjoining bones) and/or to heal a fracture in bone.

Abstract: The present invention relates to a fastening arrangement for fastening a component A to a component B with automatic tolerance compensation between the components A and B. The fastening arrangement comprises a fixable base element into which a mounting screw can be screwed via a first thread pair, and an adjusting element with an external thread that can be screwed into the base element via a second thread pair, wherein a first and a second anti-rotation safeguard are provided between the base element and the adjusting element, wherein said anti-rotation safeguards can be used to prevent detachment of the adjusting element from the base element during transport as well as locking of the adjusting element with the base element.

Abstract: In the case of a connection system having a housing (10) and a nut (16) which can be arranged on the housing (10), the aim is to provide a solution by means of which it is possible to prevent the nut (16) from being released inadvertently from the housing (10). This is intended to be achieved in that the nut (16) is formed from an elastic material and latching elements (24) are formed on the nut (16), which latching elements (24) can be latched to mating latching elements (26) which are formed on the housing (10).

Abstract: A device for securing a unit in a housing, in particular for securing a fixed bearing of a pinion in a steering gear of a motor vehicle, comprises a securing element which is inserted into a bore in the housing. The securing element is provided with at least one latching lever, wherein the at least one latching lever latches into toothing gaps of a toothing geometry in the bore of the housing via a latching lug disposed at the free end of the latching lever, or wherein at least one latching lug is disposed in the bore, which latches into toothing gaps of a toothing geometry in the securing element.

Abstract: An assembly comprising a first fastener 22 which fastens against a first seat 28, a second fastener 24 which fastens against a second seat 32, and a baulking element 36, such as a spacer, disposed between the second fastener 24 and the second seat 32. The baulking element 36 is arranged with respect to the second fastener 24 and the second seat 32 such that fastening the second fastener 24 against the second seat 32 causes canting of the baulking element 36 from a non-baulking position into a baulking position in which the baulking element 36 obstructs access to the first fastener 22.

Abstract: The present disclosure shows an anti-rotation bolt for fastening reactor plates to prevent subsequent SCC problems wherein the bolt head has a circumferential series of anti-rotation tabs extending from the head of the bolt which are moved in by a restrainer cone which is placed on top of the bolt to allow its insertion into the plates and is removed for locking the tabs into detents formed in one of the plates to provide anti-rotation. The cone is again moved over the tabs during the removal of same leaving the bolt undamaged and fit for reuse.

Abstract: The present invention features a bolt for panel combination that includes a flange formed along an external circumference of a bolt head, a screw portion, of which an end is formed as a cone, combining a plurality of panels and a plurality of taps that are formed to the flange for the bolt to be fixed when the bolt is tightened. The present invention also features a panel combination method that includes forming a burred portion to a first panel by burring and punching, disposing a second panel, on which a bolt hole is formed, and corresponding a position of the burred portion, inserting the bolt for panel combination into the bolt hole and tightening the bolt to the burred portion in order to combine the first panel and the second panel.

Abstract: An anti-unscrewing device for coupling the tubular ends of two components in fluid conveying or delivery systems by means of a threaded ring nut that can be screwed to one of said tubular ends to connect said ends, wherein said anti-unscrewing device comprises a connecting portion to connect the device to one of the components and at least one counter element provided with an engaging portion suitable to engage a corresponding engaging surface formed at said ring nut, such that the engaging portion can be displaced by means of a movement of the ring nut. There are further provided guide means dictating a movement path for the counter element, such that an unscrewing movement of the ring nut will cause the engaging portion to move to a locking position relative to the ring nut thereby preventing the ring nut from unscrewing.

Abstract: The locking nut and bolt system utilizes a bolt with thread having a plurality of notches generally longitudinally spaced in a predetermined pattern. Each notch has a lock face and an opposing slope. The locking unit carries one or more tines. The tine has a distal tine end adapted to latch onto the lock face of the notch on the bolt and, when the distal tine end is not disposed in one or more notches, the tine end moves on the bolt thread crest. When the distal tine end is in the notch or notches, the lock face of the notch prevents counter-rotational movement of the bolt with respect to the nut when the distal tine end abuts the lock face. The locking unit supports the tine and may be cylindrical, rectangular or on a perpendicular support face normal to a radial plane through the axial centerline of the nut thread. The locking unit may be on a nut insert or may be carried on the leg of a U, J or S-shaped clip. The locking unit may be recessed as a blind hole.

Abstract: A washer for a threaded fastener assembly and a threaded fastener assembly incorporating such a washer. The washer includes a body having a central axis including two opposed sides an outer periphery and an inner periphery defining a central aperture extending between the two opposed sides. The body incorporates an engaging face for frictionally engaging a component of the threaded fastener assembly or a work-piece. A ramp structure extends angularly between the inner periphery and one side for interacting with a further component of the threaded fastener assembly to provide a mechanical connection therebetween for resisting unthreading of the threaded fastener assembly. The engaging face is associated with the other side and extends circumferentially about the central axis. The relative positions of the engaging face and the ramp structure with respect to the central axis is such that in use torque transferred through the engaging face is greater than torque acting through the ramp structure.

Abstract: A lock nut comprising a solid nut body having a flange, from which a neck projection extends axially, being provided at its end surface with an annular shroud, from which at least two claws extend radially.

Abstract: An attachment system, which is to be introduced in a mounting opening (5) of a hollow body (3), includes a rear engagement member (4) for engaging from behind holding projection (17.1, 17.2) of the hollow body (3), at least one stop (6, 37) for engaging edges of outer sides of the hollow body which limit the mounting opening (5) and connected with the rear engagement member (4) by a screw, and a device providing for a relative rotational movement between the stop (6) and the rear engagement member (4) about an axis of the fastening means (7; 35) and formed as a transformation device (9; 31) for converting a translational movement of the screw (7; 35) relative to the stop (6) in a rotational movement of the rear engagement member (4) relative to the stop.

Abstract: A present invention provides a locking mechanism capable of preventing a bolt from loosening. A bolt 5 has a head provided with a first part which comprises openings 511. A locking washer 4 is provided with a second part which includes outer projections 411 and a third part which includes insertion projections 401 on an outer edge. A taper piece 1 has a portion provided with a fourth part which comprises openings 105. The first part and the second part can engage with each other and the third part and the fourth part can engage with each other when said bolt 5 fastens at least two members 7 and 8 trough said washer 4 and said taper piece 1. Accordingly, the bolt 5 is prevented from rotating in an loosening direction.

Abstract: A brake actuator having an improved push rod and end plate assembly which eliminates the requirement for thread adhesive and avoids deformation of the exterior surface of the push rod. The push rod includes an axial internally threaded bore through one end and the shank portion of the mounting screw includes an unthreaded intermediate portion adjacent the threaded end portion having a plurality of radial lobes which are turned into the internally threaded bore of the push rod securely retaining the end plate to the push rod under vibration loading and extreme temperature conditions. The radial lobes on the intermediate portion of the mounting screw each include an arcuate spiral lead surface and a flat generally radial following surface which requires only a relatively small torque to secure the end plate to the push rod, but a significantly larger torque to unthread the mounting screw from the push rod.

Abstract: A self-locking fastener assembly includes a male screw fastener and a related female component (such as a plastic workpiece) for receiving the male screw fastener; a locking element is mounted on, or integrally formed with, the male screw fastener and provides at least one or more flexible fingers extending radially outwardly. The flexible fingers engage the walls of a cavity in the female component. The cavity walls are provided with a plurality of teeth which reliably engage the flexible fingers to prevent counter-rotation of the male screw fastener out of engagement with the female member. In a preferred embodiment, the male screw fastener is a double ended screw having a lower screw end for screwing into a plastic workpiece, and an upper stud end onto which can be mounted a second workpiece, which is secured by a nut.

Abstract: A self-lock and self-retained structural fastener assembly (10) is disclosed. The fastener assembly (10) comprises a plate member (12) having an opening (14) and a pair of receivers (16, 18). A retainer (20) that has a threaded opening (22), a pair of oppositely disposed spring fingers (24, 26) and a pair of oppositely disposed hooks (28, 30) is coupled to the plate member (12) by lockably inserting the hooks (28, 30) within the receivers (16, 18) of the plate member (12) to form a fastener housing (32). A stud (34) is rotatably positioned within the fastener housing (32). The stud (34) has a boss (36) and first and second threaded sections (38, 40) extending in opposite directions from the boss (36). The stud (34) has an uninstalled position wherein the first threaded section (38) is threadably engaged with the threaded opening (22) of the retainer (20).

Abstract: The bolt, in the one-way nut and bolt combination, includes a head, a stem, and bolt threads on said stem. A longitudinal channel is defined on the bolt stem by a plurality of notches extending through the crests of the threads. In one embodiment, each notch is defined by a radially aligned surface and an angularly displaced surface. The nut, in one embodiment, has a threaded bore that is complimentary to the bolt thread and includes at least one longitudinal cut-out. The nut further includes a compressible tine extending into the cut-out. The compressible tine has a body portion and a substantially radially aligned distal end portion. The distal end portion of the tine and the cut-out defines a narrow mouth leading to a wider throat deeper in the cut-out. The nut thread and the bolt thread cooperatively permit a user to translate the nut along the bolt threads by means of one-way rotation.

Abstract: A locking mechanism for assembled threaded coponents, including a circumferential tongue on one of the components and a corresponding notch on the other component. As a locking position is approached, the tongue is biased out of its normal position by a camming surface adjacent to the notch, and is then released into the notch as the locking position is reached. Unlocking only requires the tongue to be moved out of the notch momentarily during rotation from the locking position.