An extendible protective element for use in a child safety seat is disclosed. The extendible protective element comprises a first thread component comprising a first external thread and a first internal thread, and a second thread component comprising a second external thread, wherein the first thread component is rotatably connected to the second thread component via the first internal thread of the first thread component and the second external thread of the second thread component.

A clip assembly secures a flexible material to a profile with a receiving channel. An exemplary profile is a pontoon fence rail. The clip assembly includes a clip bracket with a material connecting section and a profile connecting section. The material connecting section has an aperture, and the profile connecting section has a connection tab. A connector includes a shaft and a cap. The shaft is insertable through the flexible material into the aperture of the material connecting section. The connection tab is releasably engageable with the receiving channel with the flexible material sandwiched between the material connecting section and the cap of the connector.

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 system and method for creating a column for construction using bundled tube are provided. The column having a bottom portion, a middle portion, and a top portion. Each portion consists of a bundle of individual pillars, comprising a center pillar, a plurality of corner pillars, and a plurality of middle pillars. From the bottom portion of the column, addition pillars can be affixed on top of the pillars of the bottom portion, thus forming the middle and the top portion of the column. Each pillar can be secured to another component using a thread stepped dowel comprising of a base section, at least one middle section, and a tip section, with each section being progressively smaller in circumference than the last. The at least one middle section of the threaded stepped dowel further comprises thread spiraling around the outer surface of the at least one middle section.

A mounting device for a mounting member is disclosed. The mounting device comprises a first flange configured to be fitted under a mounting surface, a second flange configured to be inserted in the first flange. Further, the second flange having a first section that is configured to provide an orifice for inserting the mounting member, a second section having a plurality of threads for receiving the first flange, a third section having a plurality of threads, and a fourth section having a plurality of threads. Further, a compression nut, having an inner surface, is configured to pass over the mounting member and tightened on the fourth section of the second flange over the plurality of threads. Thereafter, a ring is configured to be fitted over the mounting member and between the fourth section of the second flange and the compression nut.

A fastener comprising a nut body and an associated Lockone clasp is disclosed. The locking clasp may be maintained in its association by one or more locking clasp retainers, the retainers forming an arc. In one embodiment, the nut body is formed with an internally threaded thread bore partially filled by helical thread insert. In another preferred embodiment the helical thread insert is a free running helically wound wire thread insert.

A micro fluid filtration system (100) preferably for increasing the concentration of components contained in a fluid sample has a fluid circuitry (1). The fluid circuitry (1) comprises the following elements: A tangential flow filtration element (7) capable for separating the fluid sample into a retentate stream and a permeate stream upon passage of the fluid, an element for pumping (3) for creating and driving a fluid flow through the fluid circuitry (1) and at least one element for obtaining information about the properties of the fluid sample within the circuitry. The circuitry further comprises a plurality of conduits (24) connecting the elements of the fluid circuitry (1) through which a fluid stream of the fluid sample is conducted. The circuitry (1) has a minimal working volume of at most 5 ml, which is the minimal fluid volume retained in the elements and the conduits (24) of the circuitry (1) such that the fluid can be recirculated in the circuitry (1) without pumping air through the circuitry (1). An integrated microfluidic element (20) of the circuitry (1) contains the functionality of at least two elements of the group of elements of the circuitry (1).

An optical bench for supporting a reflex sight in a weapon-mounted sight assembly includes a reflex sight mounting portion having a first surface for receiving a reticle light source and a first reticle lens mounting arm spaced apart from a second reticle lens mounting arm. The first and second reticle lens mounting arms are attached to the reflex sight mounting portion and the first and second reticle lens mounting arms are configured to engage opposite sides of a reticle lens to support the reticle lens in an optical path of the reticle light source. The first and second reticle lens mounting arms are sufficiently resilient to accommodate thermal expansion and contraction of the reticle lens. In further aspects, a weapon sight assembly employing an optical bench and a method for manufacturing an optical bench are provided.

A threaded plug includes a structure which extends along an axis and includes a head, a body provided with an outer thread, and a clamping flange inserted between the head and the body; wherein the head includes, along the axis, at least one first portion having an outer lateral surface which features a first profile and at least one second portion having an outer lateral surface which features a second profile which is not coincident with the first profile.

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.