Abstract: A downhole tool that includes a tubular member having a first interior passageway, wherein the first interior passageway defines a first surface having a first internal diameter and a second recessed surface having a second internal diameter that is greater than the first internal diameter. The downhole tool also includes a protective sleeve engaged with the second recessed surface, wherein the protective sleeve has a second interior passageway that defines a third surface having a third internal diameter that is substantially equal to the first internal diameter such that the third surface is substantially flush with the first surface. In one embodiment, the protective sleeve is dissolvable upon contact of a fluid having predetermined composition or predetermined temperature such that the sleeve dissolves to expose the recesses formed in the latch assembly.

Abstract: An actuation device for well operations can include a tubular body including a plurality of key slots, a threaded shaft disposed within the tubular body that rotates relative to the tubular body and is fixed axially relative to the tubular body, an actuator disposed within the tubular member that moves axially relative to the tubular body, wherein the actuator includes a ramp portion and a threaded neck portion that engages with the threaded shaft such that when the threaded shaft rotates, the actuator moves axially relative to the tubular body, and a plurality of keys, each disposed in one of the plurality of key slots and in operative communication with the ramp portion such that as the actuator moves axially relative to the tubular body, each key is urged radially outwardly from the tubular body.

Abstract: A downhole tool that includes a tubular member having a first interior passageway, wherein the first interior passageway defines a first surface having a first internal diameter and a second recessed surface having a second internal diameter that is greater than the first internal diameter. The downhole tool also includes a protective sleeve engaged with the second recessed surface, wherein the protective sleeve has a second interior passageway that defines a third surface having a third internal diameter that is substantially equal to the first internal diameter such that the third surface is substantially flush with the first surface. In one embodiment, the protective sleeve is dissolvable upon contact of a fluid having predetermined composition or predetermined temperature such that the sleeve dissolves to expose the recesses formed in the latch assembly.

Abstract: A cutting bit assembly for a mining machine includes a holder having a first surface, a second surface, and a bore extending therebetween, and a bit having a first end and a second end. The bit further includes a tip, a shank, and a shoulder positioned between the tip and the shank. The shank is positioned in the bore of the holder and defines a shank axis. The shoulder engages the first surface of the holder. The shank includes a projection adjacent the second end. The cutting bit assembly also includes a retainer having a groove and a resilient member. The groove engages a portion of the projection. The resilient portion engages the second surface of the holder and biases the retainer along the shank axis and away from the holder.

Abstract: Various embodiments of the present invention are directed to a powered children's swing. In various embodiments, the swing includes a seat, swing frame, one or more swing arms, a first magnetic component, second magnetic component, swing motion sensor, and swing control circuit. The magnetic components are configured to generate a magnetic force that drives the seat along a swing path. The swing control circuit is configured to control the magnetic components based at least on input from the swing motion sensor and generate control signals causing the seat to swing with substantially constant amplitude as specified by a user.

Abstract: The present disclosure relates to substrates for use in microwave plasma reactors. Certain substrates include a cylindrical disc of a carbide forming refractory metal having a flat growth surface on which CVD diamond is to be grown and a flat supporting surface opposed to said growth surface. The cylindrical disc may have a diameter of 80 mm or more. The growth surface may have a flatness variation no more than 100 mm The supporting surface may have a flatness variation no more than 100 mm.

Abstract: A lip and skin plumping device and method are presented utilizing a vacuum pump and controller to deliver a constant frequency pulsating suction to the skin. The constant frequency allows blood to pulse through the affected area to reduce stress and trauma to the treated skin. The device is hand-held and may have tips to fit lips or be used around the eyes.

Abstract: Tree anchoring apparatus has a plurality of interlocking anchor units with each anchor unit having connection means that allow the anchor unit to be secured to at least one adjacent anchor unit, an anchoring point provided for each anchor unit, and a cable or strap securable to at least one of the anchoring points. The plurality of interlocking anchor units are transportable disengaged from one another and can be interlocked with each other in situ to jointly provide a surface for supporting an overburden of soil. The cable or strap can be used to secure the interlocked anchor units to a root ball of a tree located there above.

Abstract: Various embodiments of the present invention are directed to a powered children's swing. In various embodiments, the swing includes a seat, swing frame, one or more swing arms, a first magnetic component, second magnetic component, swing motion sensor, and swing control circuit. The magnetic components are configured to generate a magnetic force that drives the seat along a swing path. The swing control circuit is configured to control the magnetic components based at least on input from the swing motion sensor and generate control signals causing the seat to swing with substantially constant amplitude as specified by a user.

Abstract: Various embodiments of the present invention are directed to a powered children's swing. In various embodiments, the swing includes a seat, swing frame, one or more swing arms, a first magnetic component, second magnetic component, swing motion sensor, and swing control circuit. The magnetic components are configured to generate a magnetic force that drives the seat along a swing path. The swing control circuit is configured to control the magnetic components based at least on input from the swing motion sensor and generate control signals causing the seat to swing with substantially constant amplitude as specified by a user.

Abstract: A disposable cup dispenser includes a housing defining a cavity for receiving a plurality of associated disposable cups and a plurality of fingers extending from the housing into the cavity. The plurality of fingers includes a first finger and a second finger positioned above the first finger. The first finger is disposed closer to a closed end of the cavity as compared to an open end of the cavity.

Abstract: A method of coating a non-refractory and/or non-planar substrate (8) with synthetic diamond material using a microwave plasma chemical vapour deposition (CVD) synthesis technique, the method comprising: forming a composite substrate assembly (1) comprising: a support substrate (2) comprising an upper surface; one or more electrically conductive refractory guards (6) disposed over the upper surface of the support substrate and extending to a height hg above the upper surface of the support substrate; and one or more non-refractory and/or non-planar substrates disposed over the upper surface of the support substrate and extending to a height hs above the upper surface of the support substrate, wherein the height hs is less than the height hg, wherein a difference in height hg?hs lies in a range 0.

Abstract: The present disclosure relates to substrates for use in microwave plasma reactors. Certain substrates include a cylindrical disc of a carbide forming refractory metal having a flat growth surface on which CVD diamond is to be grown and a flat supporting surface opposed to said growth surface. The cylindrical disc may have a diameter of 80 mm or more. The growth surface may have a flatness variation no more than 100 mm The supporting surface may have a flatness variation no more than 100 mm.

Abstract: A microwave plasma reactor for manufacturing synthetic diamond material via chemical vapor deposition, the microwave plasma reactor comprising: a microwave generator configured to generate microwaves at a frequency f; a plasma chamber comprising a base, a top plate, and a side wall extending from said base to said top plate defining a resonance cavity for supporting a microwave resonance mode between the base and the top plate; a microwave coupling configuration for feeding microwaves from the microwave generator into the plasma chamber; a gas flow system for feeding process gases into the plasma chamber and removing them therefrom; a substrate holder disposed in the plasma chamber and comprising a supporting surface for supporting a substrate; and a substrate disposed on the supporting surface, the substrate having a growth surface on which the synthetic diamond material is to be deposited in use, wherein the substrate dimensions and location within the resonance cavity are selected to generate a localized a

Abstract: A microwave plasma reactor for manufacturing synthetic diamond material via chemical vapour deposition, the microwave plasma reactor comprising: a microwave generator configured to generate microwaves at a frequency f; a plasma chamber comprising a base, a top plate, and a side wall extending from said base to said top plate defining a resonance cavity for supporting a microwave resonance mode between the base and the top plate; a microwave coupling configuration for feeding microwaves from the microwave generator into the plasma chamber; a gas flow system for feeding process gases into the plasma chamber and removing them therefrom; a substrate holder disposed in the plasma chamber and comprising a supporting surface for supporting a substrate; and a substrate disposed on the supporting surface, the substrate having a growth surface on which the synthetic diamond material is to be deposited in use, wherein the substrate dimensions and location within the resonance cavity are selected to generate a localized

Abstract: Various embodiments of the present invention are directed to a powered children's swing. In various embodiments, the swing includes a seat, swing frame, one or more swing arms, a first magnetic component, second magnetic component, swing motion sensor, and swing control circuit. The magnetic components are configured to generate a magnetic force that drives the seat along a swing path. The swing control circuit is configured to control the magnetic components based at least on input from the swing motion sensor and generate control signals causing the seat to swing with substantially constant amplitude as specified by a user.

Abstract: Various embodiments of the present invention are directed to a powered children's swing. In various embodiments, the swing includes a seat, swing frame, one or more swing arms, a first magnetic component, second magnetic component, swing motion sensor, and swing control circuit. The magnetic components are configured to generate a magnetic force that drives the seat along a swing path. The swing control circuit is configured to control the magnetic components based at least on input from the swing motion sensor and generate control signals causing the seat to swing with a substantially constant amplitude as specified by a user.

Abstract: A microlectrode comprising a diamond layer formed from electrically non-conducting diamond and containing one or more pins or projections of electrically conducting diamond extending at least partially through the layer of non-conducting diamond presenting areas of electrically conducting diamond.

Abstract: A rigid three-dimensional component such as a speaker dome is formed of diamond, preferably fabricated to net shape by CVD diamond synthesis, and includes a coating on one or more major surfaces thereof. The coating is designed to enhance the performance and/or to alter the appearance of the component. In particular, the coating is designed to act as a damping medium and/or provide aesthetic qualities to the component.

Abstract: A mounting assembly for mounting a toy bar arrangement to a frame of an infant seat assembly is provided. The assembly includes a mounting member adapted to fixedly engage the frame. The assembly further includes a receptacle member operably engaged with the mounting member and defining a cavity. The receptacle member is rotatable about a substantially horizontal axis with respect to the mounting member, and between a locked position and an unlocked position in relation to a locking member associated with the mounting member. The assembly further includes a mating member adapted to operably engage a toy bar arrangement and configured to be removably received within the cavity of the receptacle member so as to be rotatable in conjunction with the receptacle member between the locked and unlocked positions. The mating member has a locking flange configured to engage the locking member in the locked position.