Abstract: A torque-limiting nut is provided. The torque-limiting nut has a washer, a threaded component, and a tool interface. The threaded component has a plurality of detents and the tool interface has a corresponding plurality of recesses and a spring groove. A plurality of engagement members are sized and shaped to fit within the plurality of detents and recesses. An elastic member in the spring grooves provides a compressive force to seat the pins in the corresponding detents to frictionally couple the threaded component and tool interface. When a torque required to rotate the tool interface exceeds a predetermined value, the pin moves against the spring and unseats from the detent such that the tool interface rotates without rotating the threaded component.

Abstract: A fastening system includes an anchoring structure defining a threaded bore. A stud or insert is threaded into the threaded bore. A lockring is fixed to the stud or insert to prevent relative rotation of the stud or insert and lockring. The lockring includes a key extending radially outward from the stud or insert. The key of the lockring is seated in a keyway defined in the anchoring structure to prevent relative rotation of the stud or insert and the anchoring structure. There can be multiple keys extending radially from the lockring and multiple corresponding keyway defined in the anchoring structure, wherein each key is engaged in a corresponding keyway.

Abstract: A pump has a packing nut extending into an open end of the plunger bore and a device coupled to the packing nut. The device includes first body coupled to a second body to form a body of the device. A first post connected to the body and a second post connected to the body. The first post extending into a first opening of the packing nut and the second post extends into a second opening of the packing nut to couple said device to said packing nut. A stop forms a portion of the device. When the body is in a locked orientation, the stop of the device abuts or will abut, when the nut is rotated in a loosening direction, a connecting assembly of the pump. When the body is in the unlocked orientation, the second post is moveable, relative to the first body and the first post, in a direction out of the second opening, and a first portion of said second body, exclusive of said second post, is moveable in a direction relative to said first body and first post.

Abstract: A hollow element such as a hollow rivet or a nut element for attachment to a component consisting of a composite material such as a fiber reinforced plastic part or a fabric reinforced plastic part is presented. The element has a flange part and a shaft part extending away from the flange part and/or a rivet section, wherein the rivet section, is present, can also be formed at the free end of the shaft part, with the a hollow element furthermore having a central passage, which is optionally provided with a thread cylinder. The hollow element is used in combination with an auxiliary tip which is either inserted from the flange side of the element through the passage, or from the side of the free end of the shaft part of the rivet section into the passage, such that a conically converging region of the auxiliary tip projects from the free end of the shaft part or of the rivet section.

Abstract: A system includes a nut plate and a polymer sleeve passing through the nut plate. The polymer sleeve contains adhesive for attachment of the nut plate to a substrate. The interior of the sleeve includes an epoxy and a catalyzing agent initially separated from one another, but mixed by kneading the sleeve. A portion of the sleeve can be used to apply the adhesive to a bottom surface of the nut plate.

Abstract: A system includes a nut plate and a polymer sleeve passing through the nut plate. The polymer sleeve contains adhesive for attachment of the nut plate to a substrate. The interior of the sleeve includes an epoxy and a catalyzing agent initially separated from one another, but mixed by kneading the sleeve. A portion of the sleeve can be used to apply the adhesive to a bottom surface of the nut plate.

Abstract: Self-locking nuts help prevent the nut from backing off of a spindle or other type of threaded shaft. A single piece nut assembly is provided that is self-locking and comprises a nut subassembly and a washer subassembly. Nut and washer subassemblies are secured together, and do not require any special tools for installation or removal. The washer has an edge which is formed/rolled over a lip extending from the bottom edge of the nut when assembled to provide the unitized assembly. The nut and washer are held apart by a spring, such as a wave spring, until the washer contacts the face of the object to which the nut is being secured. At this point the spring is compressed to engage the nut with the washer, and engage holding elements located in the nut with a holding feature located on the washer and prevent movement between the washer and nut.

Abstract: A utility box having a housing, and a ring that forms a hole that receives an attachment from a cover. A fastener retention piece has a first recess in a first surface, a second recess within the first recess, and a third recess in a second surface. The first and second recesses retain fasteners when the first surface is adjacent a lower surface of the ring. The third retaining recess retains a fastener when the second surface is adjacent the lower surface of the ring. The fasteners secure the attachment depending from the cover, and the recesses prohibit complete rotation of the fasteners.

Abstract: A wall anchor for a screw, including a longitudinal axis, a cylindrical head collar at one end, a cylindrical tail collar at an opposite end, and a plurality of plastically deformable substantially longitudinal bars which connect the head collar to the tail collar. The head and tail collars have internal passages for a threaded screw shaft. The head collar has a transverse flange for abutment with a screw head. The tail collar has a nut for engagement with a threaded screw shaft. The nut includes a stack of at least three rings arranged substantially transverse the axis upon an annular end face of the tail collar. An internal hole though each ring is substantially coaxial with the axis, and a side of each ring is connected to the tail collar by a web. An assembly of the wall anchor and screw, and a method of manufacturing are disclosed.

Abstract: A fastener has a body and a cage with cam surfaces fowled on interengaging components to inhibit relative rotation. In one embodiment a washer is interposed between said surfaces and has oppositely directed faces with cam surfaces fanned on them. In a further embodiment, the underside of the cage has serrations formed on it.

Abstract: A connector bolt for securing an oil cooler to an engine block is made of first and second telescopic pieces. The bolt can be made in different lengths by adjusting the telescopic position of the first and second pieces. The length is fixed by securing the relative positions of the first and second pieces.

Abstract: A lockable nut system for use with threaded steel bar which includes a screw threaded nut for engagement with the threaded steel bar and a locking member which is slidably engageable with the bar. The locking member is adapted to resist rotation about the bar and is also axially engageable with the nut to prevent rotation of the nut. The locking member has one or more fingers to engage the nut with an end of the finger being displaced to engage the nut as a result of deformation of a finger actuating tab or a dished body of the locking member. The locking member may engage the bar by displacement of an end of at least one tongue as a result of deformation of a tongue actuating tab during compression between the nut and a second structure.

Abstract: There is provided a new and improved wheel nut locking assembly for use on a wheel nut on a hub of a vehicle wheel, in which the wheel nut comprises a polygonal outer surface and a threaded inner surface which is constructed so as to engage a shaft. The shaft has a threaded portion and a non-threaded polygonal head extension with a threaded aperture therein. The assembly comprises a locking cap which has a recess adapted to receive the wheel nut in one of a plurality of orientations in a rotationally locked arrangement relative to the shaft. There is also provided an aperture which is adapted to receive and engage the polygonal head extension so as to prevent rotation of the locking cap and the wheel nut relative to the shaft.

Abstract: A fixing device with a locking mechanism includes a bolt having a hexagonal head, a seat attached to the bottom face of the bolt head, and a washer to be fit onto the threaded shaft of the bolt. The seat has an engagement portion which is raised from an outer edge of the seat along a side face of the bolt head to restrain the free rotation of the bolt with respect to the seat, and an elastic engagement pawl outwardly extending from a lateral end of the engagement portion. The washer has a plurality of engagement grooves which are engagable with the engagement pawl, and an antislipping means provided on the side which contacts the surface of a member to be fastened. When the bolt is fastened, the engagement pawl engages with one of the engagement grooves of the washer. This prevents the hexagon-head bolt from turning in a loosening direction. A locking function can be added to the fixing device without additionally machining the bolt or a member to be fastened.

Abstract: Working trim for a lock including an adapter plate mounted on a door. A noncircular spindle extends from the door through the adapter plate. A shank adapter is slidably received on the spindle for rotation therewith and retaining means is provided for axially retaining the shank adapter on the spindle in one direction with the adapter plate retaining the spindle in the other direction. A door operator, such as a knob, is mounted on the shank adapter for rotation therewith.