A shearing fastener for sealing a fastener hole in a work piece includes a shank, a plug, and a fastener head. The fastener head is disposed along the upper end of the shank, while the lower end of the shank further includes a transition section that tapers inward and intersects with an upper surface of the plug at a neck. The plug has a threaded outer surface and an outer diameter greater than the shank. The plug engages the threaded bore of the fastener hole when inserted therein. The shank is configured to shear across the neck and separate the shank from the plug when the fastener head is torqued above a threshold torque. The plug is retained within the threaded bore of the fastener hole to seal the lower end of the fastener hole, forming a repaired work piece.

A captive shear bolt assembly includes a bolt and a shear coupling. The bolt may have a head, an extension, and a shank. The shear coupling may be configured to be received by the extension. The shear coupling may be configured to receive the extension via an orifice in the shear coupling. The shear coupling may be configured to shear when an upper head of the shear coupling is driven at a threshold torque. When the shear coupling has sheared, the extension may be configured to captively secure the upper head to the bolt. The captive shear bolt assembly may be used in a tap connector for electrically connecting a main conductor to a tap conductor.

A screw insert has a body configured to engage a threaded fastener and transmit a torque to the threaded fastener, a separable head connected to the body and a neck extending between body and the separable head. The neck is configured to break causing the separable head to separate from the body in response to a torque applied to the separable head exceeding a predetermined value.

A fastening assembly is configured to couple a toilet seat hinge to a toilet bowl by a threaded shaft. The fastening assembly includes a fastening nut including a clamping portion having a resilient protrusion configured to allow axial movement of the fastening nut relative to the threaded shaft without rotation therebetween. The resilient protrusion has threads configured to engage the threaded shaft. The fastening nut includes a drive portion in which the clamping portion extends therefrom. The drive portion has a first segment coupled to a second segment by a shear segment. At least the first segment is configured to be engaged by a tool for the tool to rotate the fastening nut relative to the threaded shaft such that the shear segment fractures at a predetermined torque applied to the first segment relative to the second segment.

A torque limiting fastener comprises a body. The body defines a first body portion and a second body portion that extend from a first end of the body to a second end of the body. The body comprises an inner surface extending from the first end of the body to the second end of the body. The body further comprises an outer surface extending from the first end of the body to the second end of the body. The body yet further comprises an inner threadform extending substantially along a length of the inner surface of the second body portion and a controlled break region. The controlled break region is disposed at an intersection of the first body portion and the second body portion. The controlled break region includes an outer surface break point formed into the outer surface and an inner surface break point formed into the inner surface.

Aspects of the disclosure relate to a mechanical fuse having a first component having an opening in a lower wall and a ledge arranged around the opening and a second component having a top surface with a threaded opening arranged therein. The top surface of the second component may be oriented towards the first component such that the top surface is arranged entirely below the lower wall in order to enable the first component and the second component to pivot relative to one another at the bolt. The mechanical fuse may also include a bolt having a neck including a reduced cross-sectional area portion, and the bolt is configured to break and separate the first component from the second component when a predetermined amount of force is transmitted from the first component to the reduced cross-sectional area portion via the pivoting.

A shear coupling can be used with reciprocating and rotary pumps. The shear coupling uses a shear nut and connecting member as the shear element. The connecting member and shear nut are located inside the axial bore of the shear coupling to protect from corrosive wellbore elements. The coupling members may be connected by matching polygonal shaft and hub profiles on the coupling members to transmit torque. The shaft and hub may have octagonal profiles for better torque transmission capacity. The shear nut may be isolated from large alternating stresses due to pretensioning of the connecting member. The length of the connecting member, especially when pretensioned, and a reduced cross-section that may be formed on the outer surface of the shear coupling increase the overall flexibility of the shear coupling, thereby increasing the resistance to bending stress.

The disclosed technology includes a breakaway cable attachment system for attaching a cable to a utility pole. The breakaway cable attachment system can include a rail, a bracket, and a clamp. The rail can be attachable to a utility pole and have a base and two sidewalls extending outwardly from the base and forming a slot. The bracket can have an attachment portion and a mounting portion that extends at an angle away from the attachment portion. The mounting portion can be configured to extend at least partially into the slot of the rail for attachment to the rail. The clamp can be attachable to the attachment portion and receive and support a cable. The breakaway cable attachment system can be configured to prevent damage to the utility pole and/or the cable when a predetermined load is applied to the cable by detaching the cable from the utility pole.

A conveying and sorting apparatus has a plurality of tilting conveyor units in the conveying direction. Each tilting conveyor unit is able to swing to the left and right about a support shaft, between a horizontal conveying orientation and a tilted orientation for ejecting objects being conveyed by means of gravity. Both side edges in the left and right swinging direction are provided with side guides which restrict the width of the conveying path, and at least the side guide on the side to which the conveyor unit swings in the tilted orientation, is supported so as to be able to open in the swinging direction towards the tilted orientation with respect to the structure of the tilting conveyor unit, and is held in a standing orientation by the orientation holding means until a certain load or more is applied in to said side guide in the opening direction.

A shear pin supported cleaner finger assembly includes a frame member, a support member attached to the frame member, the support member defining a pivot point and a reactive point. A cleaner finger is pivotally attached to the support member at the pivot point, and a shear pin is positioned at the reactive point.