Abstract: A mortise lock and motor-assisted method of operating. The mortise lock comprises a case, a lever arm, a latch bolt having a linkage, a PCB having a controller and a microprocessor, and a motor assembly. An actuating element including a projection is disposed outside the motor assembly to move the latch bolt from the extended to retracted positions. The microprocessor is configured to detect a stall signal during the motor assembly's initial cycle operation indicating failure of a latch bolt retraction parameter. Upon detection of the stall signal, the controller causes the motor assembly to perform a second cycle operation to move the latch bolt from the extended position to the retracted position.

Abstract: A vertical door latch assembly includes a housing and a bolt movably attached to the housing having a catch portion. A drive motor is located within the housing and is configured to selectively move a lock assembly between a locked position preventing movement of the bolt and an unlocked position allowing movement of the bolt. A battery assembly is removable from the housing when the lock assembly is in first position and fixed to the housing when the lock assembly is in a second position. A controller is in electrical communication with the drive motor and is configured to direct the actuator lock assembly between the locked position and the unlocked position.

Abstract: A tubular-type deadbolt door lock with backset adjustment is disclosed.

Abstract: A vehicle latch, including: a power release mechanism for transitioning the vehicle latch from a latched state to an unlatched state, the power release mechanism includes a motor that rotates a worm that meshingly engages a power release gear, which is operably coupled to a pawl of the latch; and a spring provided to reduce a speed of the gear as it is back driven into a home position.

Abstract: A door is on the body of a vehicle. A handle is on the door to allow movement of the door. At least one rail is on the body to allow the door to slide thereon. A plurality of lock elements are located on the door in connection with the handle which are triggered by the handle to move in the direction they extend. A plurality of slots in the form of a groove are located on the body for allowing the lock element to be inserted and removed therein. The door has a free position in which the door is allowed to move on the rail when the lock element is completely removed from the slot and a locked position in which the movement of the door is restricted when the lock element, which has been at least partially inserted into the slot, contacts the wall of the slot.

Abstract: A doorstop includes a foot, a cleat mounted on the foot, a rope with a first end connected to the cleat and a primary loop formed from a second end of the rope. The rope can be wound around the cleat.

Abstract: A doorstop includes a first foot with a first sloped portion at a first end of the foot, a second sloped portion at a second end of the foot, a pedestal portion between the first end of the foot and the second end of the foot, and a bore in the pedestal portion and extending through the foot. The pedestal portion is flat and raised from the first sloped portion and the second sloped portion. The doorstop also includes an insert that fits inside the bore, a fastener that holds the insert inside the foot, and a handle adjacent to the insert and used to position the foot. The insert, the handle and the fastener can be removed from the first foot and used with a second foot, the second foot having the same configuration as the first foot.

Abstract: A magnetic doorstop and door holder provides an aesthetically pleasing, functionally simple, and effective solution to allow homeowners to closely control an amount of force needed to maintain a door in an open position. The system is designed to work with most doors, including traditional solid doors and hollow core doors. The system involves magnetic and/or ferromagnetic materials affixed to or embedded within various entryway components, including doors, door jambs, door frames, and door hinges, and within walls and/or flooring adjacent to the entryway. The system is designed to be highly customizable to fit each homeowner's particular needs and circumstances, and adjustable based on the type of door or entryway layout and based on the homeowner's desired strength of holding and precise positioning.

Abstract: In order to secure a door in a locked position without a key, such as to resist a forced entry through the door, a removable, non-intrusive, remotely-controlled door locking apparatus is provided, which includes a rear plate for attachment against a surface of a door using an adhesive substance, a flange that extends from the rear plate under the door, and a cover for enclosing components on the rear plate. A DC-powered linear actuator connected to the rear plate and at least one electronics module configured to communicate wirelessly is within the cover. A foot of the actuator is configured to be extended in a lock state against a floor surface to secure the door or retracted in an unlock state, based on either a wireless signal received from a remote smart device or the state of a manual switch located on apparatus to control the actuator.

Abstract: A magnetic door closure apparatus includes a first magnet, a second magnet and a third magnet. The first magnet is at a first location in a door frame and has a first magnetic polarity. The second magnet is at a second location in a door that corresponds to the first location in the door frame when the door is closed. The second magnet has a second magnetic polarity that is the same as the first magnetic polarity. The third magnet is at a third location in the door that corresponds to the first location in the door frame when the door is closed. The third magnet has a third magnetic polarity that is opposite the first magnetic polarity. When the door is nearly closed, the distance between the first location and the second location is less than the distance between the first location and the third location. A force of magnetic attraction exists between the first magnet and the third magnet, and a force of magnetic repulsion exists between the first magnet and the second magnet.

Abstract: The present disclosure provides a human machine interface panel including a main body and a fixing device. The main body includes a housing and a first contact surface. The fixing device includes a base, a self-tapping screw and a bottom base. The base is detachably connected to the housing and has a mounting hole. The self-tapping screw penetrates through the mounting hole and has an interference fit to the mounting hole. The bottom base is disposed at an end of the self-tapping screw. By disposing a plate between the bottom base and the first contact surface, and tightening the self-tapping screw, the plate is clamped by the bottom base and the first contact surface. Consequently, the human machine interface panel is fixed to the plate.

Abstract: The present subject matter discloses an integrated hinge structure for plastic boards. The integrated hinge structure has a simplified design that is screw-free and convenient to assemble. It also has a relatively lower manufacturing cost. The integrated hinge structure can comprise a first board and a second board that can be coupled to each other. Furthermore, the first board is divided into a first turning portion and a second turning portion by an embedded groove hinge. The second turning portion is further detachably connected to the second board. The integrated hinge structure further comprises fixation features to render the constructed assembly stable and durable.

Abstract: One aspect is a detent hinge device having a first cam component with at least one spline and an axial cam face, the first cam component having a root diameter and an outer diameter. A second cam component has at least one spline and an axial cam face, the second cam component having a root diameter and an outer diameter. Each of the first and second cam components are aligned on an axis, wherein the cam faces of the first inner and first outer cam components face each other. An axial spring acts on the first cam component forcing it against the second cam component. An axial retention element securing each of the first and second cam components and axial spring on the axis. A first mounting bracket has splines on an inner surface. The first mounting bracket contains the first cam component such that the splines of the first mounting bracket engage the splines of the first cam component thereby transferring torque from the first cam component to the first mounting bracket via the splines.

Abstract: An anti-bounce shower door is disclosed, including an upper rail and a sliding door. The sliding door is provided with a roller, and the roller is slidably connected with the upper rail. The upper rail is hollow, an upper side of the upper rail is provided with a sliding groove, the sliding groove extends along a length direction of the upper rail. The roller is provided with an anti-bounce hook, the anti-bounce hook extends into the sliding groove, and the anti-bounce hook abuts against at least a part of the sliding groove. The disclosure has the beneficial effects as follows. According to the disclosure, the sliding groove is arranged in the upper rail, and the anti-bounce hook is arranged on the roller, so that by extending the anti-bounce hook into the sliding groove to abut against a part of a top wall of the sliding groove, an anti-bounce effect can be achieved.

Abstract: The invention relates to as sliding panel system. The system comprises a frame and a combination of one or more pivot panels and sliding panels. Each sliding panel is displaceable, in particular slidable, within the frame and part of the sliding panel can be fixated with respect to the frame such that the sliding panel can be pivotably displaced between a closed and an opened position.

Abstract: A power-assist device (1) with a piston rod (8), which is mounted movably in a housing (7) and has a first position and a second position, and with a preferably elastic return element (12), which can be arrested by a positionally variable arresting part (10) and which, in the unlocked state, can transmit an assisting force to the piston rod (8) and, in the arrested state, is decoupled in terms of force from the piston rod (8), such that, in the unlocked state, as a result of the piston rod (8) being moved into the first position, the arresting part (10) is moved out of an unlocking position into an arresting position, which enables arresting of the restoring return (12) only within a limited time period.

Abstract: A movement damping device travels along a fixed track on roller wheels. Trolleys mounted on the roller wheels support the door along the track for movement of the door. Eddy-current interaction occurs between travelling magnets mounted on the device and fixed side plates of the track. The trolley moves horizontally as the roller wheels travel along horizontal support rails of the track. The track would be fixed to a supporting host structure and opposing side plates of the track support the respective rails. The trolley travels between the side plates when the door moves.

Abstract: The invention refers to a furniture hinge (2) for fastening a furniture door (4) or flap of a piece of furniture (6) to a furniture body (8) of the piece of furniture (6) in an articulated manner. The furniture hinge (2) comprises a first hinge part (10) for attachment to the furniture door (4) or flap, and a second hinge part (12) for attachment to the furniture body (8), a hinge assembly (18; 18.1, 18.

Abstract: A doorstop system includes a doorstop and a bracket. The doorstop includes a foot, a recess area within the foot, an opening in a bottom surface of the foot around the recess area, and pockets in opposite sides of the recess area extending to the bottom surface of the foot. The bracket is sized to fit into the recess area of the doorstop and includes a body and protrusions on opposite sides of the body. The protrusions are positioned and sized to mate with the doorstop pockets.

Abstract: Needless repairs can be avoided, and energy savings can be achieved, through installation of windows using methods that incorporate the use of extruded water-resistant foam, bonding tape covering the flanges and fasteners or windows and building wrap covering the bonding tape. This system becomes part of the window, system to improve strength, air and moisture penetration Also eliminating the building wrap bonding tape at the head prevents trapping moisture behind build bonding tape. This system eliminates all voids around the window and frame and becomes part of the structure of the window, etc.

Abstract: A magnetic window attachment assembly for attaching a muntin grid to a windowpane includes a first magnet or first ferromagnetic material attached to the windowpane at a first location and a second magnet or second ferromagnetic material attached to the muntin grid at a second location that aligns with the first location when the muntin grid is installed thereon. Magnetic attraction between the first magnet or the first ferromagnetic material and the second magnet or the second ferromagnetic material causes the muntin grid to be attracted to and removably engaged with the windowpane. The first magnet or first ferromagnetic material may have a convex surface, and the second magnet or second ferromagnetic material may have a concave surface that mates with the convex surface of the first magnet or first ferromagnetic material.

Abstract: A box structure building partition constructed out of box designed to be installed in a building partition, articulated relative to box closing hatch, wherein the box structure features a closing hatch locking mechanism in the box and closing hatch features bracket in closing hatch socket for unlocking the locking mechanism, wherein bracket assumes two extreme positions in closing hatch, so that bracket in the first extreme position is retracted into closing hatch and the locking mechanism is locked and in the second extreme position bracket is slid out from closing hatch and the locking mechanism is unlocked and the bracket features a coupling for coupling element, accessible for a user when bracket is not in its first extreme position.

Abstract: A fire-retardant core for a door with a central cavity includes a first solid component made from non-fibrous material that is effective to disperse solid particles and to reduce water solubility. The core also includes a second solid component made from fibrous material that is less dense than the first component, and is effective to fill volume in the central cavity. The core also includes a third component made from a fire retardant material that tends to prevent combustion. The first, second and third components are blended effectively to fill the central cavity, and to provide a fire-retardant quality to the door.

Abstract: A peak cover for lift cord and tilt ladder includes a limiter having an arcuate cover. A fixed engagement plate is disposed at an upper end of a left side of the arcuate cover. Two stop walls are disposed on two sides of a lower end of the left side of the arcuate cover. Two grooves are formed inside the stop walls. Two annular ribs of a cord winding reel are engaged in the grooves, whereby the cord winding reel is freely rotatable. A movable engagement plate is disposed at an upper end of a right side of the arcuate cover. Four raised columns are formed on an upper end of the arcuate cover. The arcuate cover of the limiter is capped on the cord winding reel. The fixed engagement plate and the movable engagement plate of the arcuate cover are engaged with the annular ribs on two sides of the cord winding reel.

Abstract: Automated systems and methods that use wireless technologies to control the extent to which windows are covered with window coverings based on temperatures or light intensities. Such a system preferably includes a window unit having a window covering sized and configured to at least partially cover the window when the window covering is in a deployed configuration thereof and expose the window when the window covering is in a stowed configuration thereof. The window unit further has a base mountable to a frame of the window, a motor supported on the base, an arm assembly associated with the motor and connected to the window covering so that the motor is operable to rotate the window covering, and a base guide mounted to the base and configured to guide the movement of the window covering as the window covering rotates between the deployed and stowed configurations thereof.

Abstract: A bit may include a matrix portion, the matrix portion exposed at a cone region and a nose region of the bit. A bit may include a steel portion, the steel portion including a bit connection, the steel portion exposed at a gauge region of the bit. A bit may include a plurality of cutting elements secured to the matrix portion at the cone region and the nose region.

Abstract: An expandable tool includes an expandable block set having a plurality of segments longitudinally arranged. Each segment of the plurality of segments has a segment configuration. The segment configurations of the expandable block are customized for a particular application, based on the anticipated formation type. During operation, the downhole segment wears or breaks away, exposing the uphole segment, which takes over as the primary segment.

Abstract: Disconnecting an upper portion of a tool from a lower portion of a tool after a fracturing operation, wherein the upper portion has a same inner diameter as the lower portion.

Abstract: In some aspects, the techniques described herein relate to a bit. The bit includes a bit head formed from a first material. A connection portion is connected to the bit head opposite the bit head. The connection portion has a box connection having an inner surface with a threaded connection for connection to a drill string. A reinforcing ring is formed from a second material. The reinforcing ring is located at the connection portion to strengthen the connection portion. The reinforcing ring is connected to the connection portion with an interlocking feature.

Abstract: An apparatus and downhole tool having a releasable locking mechanism for holding a line reliably connected to a tool in a wellbore for providing communication with and/or power to the tool, the releasable locking mechanism has: a movable holding device that can be in a locked state for holding the line reliably connected to the downhole tool or in a released state for allowing release of the line from the tool; and a movable locking device that can be in a locking state wherein the movable locking device engages with the movable holding device in a manner that restricts movement of the movable holding device, thereby locking the movable holding device in its locked state, or that can be in a releasing state for releasing the movable holding device to its released state.

Abstract: A wellbore tool includes a wellhead to be installed at an entrance to a wellbore formed through a subterranean zone. The wellhead includes an uphole wellhead end that can extend upward from the entrance, and a downhole wellhead end that can extend downhole into the wellhead. The wellhead defines an opening extending from the uphole wellhead end to the downhole wellhead end. A spacer tool is attached to the downhole wellhead end, and includes an uphole spacer tool end and a downhole spacer tool end. The spacer tool defines a tapered opening tapering from end to end. The tool includes a master valve attached to the downhole spacer tool end of the spacer tool. The master valve defines a flow pathway fluidically coupled to the opening defined by the wellhead and the tapered opening defined by the spacer tool.

Abstract: The centralizer also includes a body defining a central bore and a plurality of cavities fluidically coupled to the central bore and an exterior of the body, where the plurality of cavities are located between the central bore and an outer surface of the body. The centralizer also includes a plurality of springs with each housed in one of the plurality of cavities. The centralizer also includes a plurality of pistons with each housed in one of the plurality of cavities and abutting a respective spring in that cavity. The centralizer also includes a centralizer pad pivotally connected to each of the plurality of pistons and extending radially from a longitudinal axis of the body in response to bias from the plurality of springs.

Abstract: A shoe for use with a casing or liner string includes: a tubular body; a nose: mounted to an end of the tubular body, and having: a plenum formed therein, a front port extending longitudinally from the plenum to an exterior of the nose, and a side port extending transversely from the plenum to the exterior of the nose; and a valve repeatedly shiftable between a deployment position where the front port is open and the side port is closed and a cleaning position where the front port is closed and the side port is open. The valve shifts to the deployment position in response to forward flow through the shoe being less than a threshold flow rate. The valve shifts to the cleaning position in response to the forward flow through the shoe being greater than the threshold flow rate.

Abstract: A flowback tool is used on a top drive for delivering fluid flow to a tubular, such as a drillpipe or casing. A mechanical stroke on the tool has a mandrel with a mud saver valve and has a barrel. The mandrel connects to a quill of the top drive and has a coupling that can be threaded with the tubular's box connection. The barrel disposed on the mandrel can be moved by a cam engagement as the mandrel is rotated. When prevented from rotating with the mandrel, the barrel can thereby move in a stroke direction along an axis. An annular seal on the barrel is configured to sealably engage with the tubular. A clutch disposed on the barrel can prevent rotation of the barrel when the clutch is engaged with a portion (bail) of the top drive. However, a toque threshold of the clutch allows for slippage during operations.

Abstract: A full-face shaft tunnel boring machine system includes a tunnel boring machine cutterhead device for tunneling downwards in a shaft; a full-hydraulic formwork device for supporting and walling in a wellbore; and an upper muck-discharge system for vertically conveying rock mucks generated by tunneling. The tunnel boring machine cutterhead device comprises a vertical guide frame, a cutter-expanded boring head and an advanced cutterhead that are fixedly connected in a vertical order from top to bottom so as to form an integrated structure. The vertical guide frame is a hollow cylindrical structure and driven to rotate around an axis of the vertical guide frame by a power mechanism, and an outer wall of the vertical guide frame is provided with multiple sets of first guide rollers.

Abstract: A wastewater treatment system for treating water including sediments in suspension. Sediments are removed from the water using a continuous process.

Abstract: Systems and methods include increasing a kill mud weight based on information from a downhole tool. A tool is deployed on a bottom hole assembly (BHA) near a surface of a well being drilled. The tool is a retrievable acoustic mud level detector configured to send and receive acoustic waves during drilling. Acoustic waves are propagated using an acoustic wave source. The acoustic waves propagate constantly through an air medium in a wellbore of the well and partially reflect waves when meeting a fluid interface in the wellbore. A signal including a reflected wave reflected from the fluid interface is received using an acoustic wave receiver. An estimate of a fluid level depth of the fluid interface is determined using the tool. A kill mud weight of mud in the wellbore is increased in response to determining the estimate and using a current mud weight of mud in the wellbore.

Abstract: A wellbore tubular flotation device comprises a housing having a locking element disposed thereon. The housing is shaped to move through an interior of a wellbore tubular segment. The locking element is shaped to engage the interior of the wellbore tubular segment. The locking element comprises a locking mechanism configured to urge the locking element into contact with the interior of the wellbore tubular. A burst disk is engaged with the housing and is shaped to close the tubular segment to fluid flow. A release mechanism is configured to reverse the urging of the locking mechanism when a release tool is moved through the housing.

Abstract: A modified cement retainer with milling assembly includes an elongate body that includes a first hollow portion near a first end of the body and a second portion near a second end of the body. A wellbore milling tool is positioned within the first hollow portion. The wellbore milling tool can perform milling operations within a wellbore. A cement flow pathway is defined within the body and the wellbore milling tool. The cement flow pathway extends end to end through the body, and passes through the wellbore milling tool. The cement flow pathway can flow cement through the well tool. A tool retainer is attached to the body. The tool retainer is can retain the wellbore milling tool within the first hollow portion of the elongate body and allow lowering the wellbore milling tool attached to the body within the wellbore.

Abstract: A gravel pack system includes a liner assembly and a deployment assembly. The liner assembly includes a sand control screen. The deployment assembly facilitates rotation of the liner assembly and circulation through the liner assembly while running the liner assembly into a wellbore using a work string. The deployment assembly includes a crossover tool that is operated to facilitate gravel packing without manipulation of the work string. The deployment assembly also includes a setting tool for setting a packer and/or a sand barrier at the top of the liner assembly.

Abstract: An apparatus for controlling tool face and methods of use with a torque generator connected to a drill string for drilling linear and nonlinear subterranean bore segments. In some embodiments, the apparatus and methodologies of use comprise a tool controller having an outer housing independently rotatable from and extension conduit extending therethrough and forming an annulus therebetween. The tool controller may provide for a first fluid pathway for allowing a bypass portion of fluids to flow through the torque generator, and a second fluid pathway through the annulus for allowing a torque generator portion of fluids to flow through the annulus. In some embodiments, at least one fluid flow restrictor may be provided within the annulus to controllable cause a cascading reduction in torque generator fluid pressure as it flows through the annulus, allowing high resolution tool face control over a larger (and tunable) range of drill string speed (rpm) set points.

Abstract: A release device for a jarring tool includes a collet positioned between the mandrel of the jarring tool and a trigger sleeve. At least one end of the collet is in contact with a precompressed spring via a bushing. In order for the jarring tool to operate, a force greater than the precompressed force of the spring must be applied to the mandrel so that the collet can move in axial direction against the spring thereby releasing the mandrel.

Abstract: A system includes an overshot body, an engagement mechanism, a cutter body, a disk assembly, and a motor. The overshot body has an overshot conduit. The overshot conduit is configured to receive the external circumferential surface of the tubular body. The engagement mechanism is disposed within the overshot conduit, connected to the overshot body, and configured to engage with the external circumferential surface of the tubular body. The cutter body is connected to the overshot body and is configured to enter the tubular conduit. The disk assembly is rotatably connected to the cutter body. The motor is located within an orifice of the cutter body and is configured to rotate the disk assembly.

Abstract: A seal and clamping system for a wellhead assembly having a housing with a first end configured to seal to the outer adapter surface above an upper outward-projecting shoulder on the wellhead assembly, a second end configured to seal to the tubing head below a lower outward-projecting shoulder, and a clamping system configured to hold the housing in position about the wellhead assembly so as to ensure sealing contact at the upper end and lower end with the wellhead assembly.

Abstract: A hanger assembly has at least one elongated channel disposed on the outer surface of the hanger assembly. An alignment/anti-rotation tab member is moveably disposed within each elongated channel and can selectively alternate between a first retracted configuration and a second extended configuration. In the second extended configuration, each alignment/anti-rotation tab member can be received within a mating channel along the inner surface of the central through bore of the wellhead. Each extended alignment/anti-rotation tab member can engage against a mating recess or channel in order to align and orient the hanger assembly within the central through bore of the wellhead (permitting orientation and alignment of ports in the hanger assembly and the surrounding wellhead), while also preventing rotation of the hanger assembly relative to the wellhead.

Abstract: A subsea wellbore monitoring system of the present disclosure includes hanger, plug, and monitoring assemblies. The hanger assembly installs on landing in the wellhead, engages the lock profile, and has a hanger seal sealing in the wellhead. The plug assembly is supported in the hanger assembly and has a plug seal to seal in the landing. Ports of the plug assembly communicate with a bore envelope and an annulus envelope. The monitoring assembly has pressure monitors that communicate with the ports and measure pressure measurements related to the envelopes. The hanger and plug seals can be elastomeric and/or metal elements. The hanger and plug seals are preferably expandable or can be energized outward so the seals can pass any shoulders and profiles when installed in the wellbore and can then seal against the internal surfaces.

Abstract: An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured tool body assembly having valving members (e.g., safety or kelly values) and valving members holding plugs, balls, or darts to be dropped. In one embodiment, the ball(s), dart(s) or plug(s) are contained in a sliding sleeve that shifts position responsive to valve rotation. An optional indicator indicates to a user or operator that a ball or plug has passed a selected one of the valving members. A transmitter (or transceiver) provides an ability to generate a wireless signal that is received by receivers (or transceivers) on the tool body assembly. Each receiver (or transceiver) controls an electrical actuator that engages a valving member or the indicator. Wireless signals can be used to open or close a valve or to reset a “tripped” indicator.

Abstract: An isolation packer comprises an expandable sealing element, the outer diameter of the sealing element in a relaxed state is larger than the outer diameter in a stretched state. The sealing element comprises at least one hollow annular ring. In order to set the isolation packer into a casing of wellbore, a setting tool stretches the sealing element of the isolation packer prior to run-in-hole, moving the isolation packer down to a depth of a casing, utilizing the setting tool to relax the sealing element and then separating the setting tool from the isolation packer for retrieval of the setting tool.

Abstract: An isolation and filtration object including a volume of material having a first geometry wherein permeability is relatively lower, the geometry being that of a plug landable on a landing feature and a second geometry where permeability is relatively higher, the second geometry being larger than the first geometry and occupy a flow path in a borehole in which the plug is deployed. An isolation and filtration system including a housing, a plug seat in the housing, and an isolation and filtration object disposable on the plug seat. A borehole system including a borehole in a subsurface formation, a string in the borehole, and an isolation and filtration system connected to the string. A method for operating a borehole including migrating a plug to a seat in a housing, landing the plug in the seat, differentiating pressure across the plug, and transitioning the plug to the second geometry.

Abstract: An apparatus for deploying a circular device such as a frac ball into a wellbore, and systems and methods for using the same, is provided. In various embodiments, the apparatus can have a magazine that biases the circular device upward, and then an actuator and slidebar move the circular device from the magazine down a chute and into a wellbore. The apparatus can be operated remotely to reduce the risk of harm to a human operator. Other aspects and features of the apparatus are described herein.