Abstract: A board adjuster is provided, including an adjusting member and a positioning member. The adjusting member includes a toggling portion and an insertion portion, the insertion portion has two restricting members extending oppositely, the toggling portion has two recessive portions, and the insertion portion is located between two recessive portions. The positioning member has a slot. The insertion portion is for being inserted into a gap between two boards, the positioning member is for abutting against and between the two boards and the toggling portion, the insertion portion is disposed through the slot, the positioning member is disposed through the two recessive portions, the positioning member abuts against the two recessive portions so that the two restricting members respectively abut against a side of one of the two boards away from the toggling portion.

Abstract: A construction beam head assembly comprising an improved forming system having one or more fixed beam-head prop assemblies each having an upper portion and a lower portion. The upper portion having a screw-jack threaded shaft assembly and a drop-head The lower portion comprising of a prop and a collar The screw-jack threaded shaft assembly having an external diameter and an external threading The screw-jack threaded shaft assembly attaches to the drop-head The upper portion selectively slides into the lower portion The collar having an internal threading and an internal diameter The internal threading of the collar rotateably attaches to the external threading of the screw-jack threaded shaft assembly of the upper portion. The upper portion and the lower portion adjustably attach to one another with the collar and the screw-jack threaded shaft assembly to provide a variable height of the prop assembly.

Abstract: The present invention provides a guard which is a surface that is adapted for mounting over the open end of the tread of a step of an open stairway such that when associated with a stairway: the exposed area of the OTEP is reduced. The present invention further provides for a retention means to maintain stable association of the guard with the stairway. The present invention further comprises kits comprising one or more guards, one or more retention means and instructions for use.

Abstract: A drop netting system configured to installation on a building slab such as a balcony to protect against falling debris, overspray, concrete, and the like. The system includes plurality of spaced apart brackets disposed around the perimeter of the slab so as to form an array of attachment points for a drop net to be attached to and suspended from the brackets. The brackets extend outward from the edge of the slab and are each optionally angled slightly upward from the surface of the slab. A drop net is secured to the distal end of each bracket and suspended therefrom such that the drop net is spaced away from the edge of the slab to permit construction workers to have access of the slab edge in order to carry out construction work. The drop netting system can be installed on adjacent floors to encase the space between the floors.

Abstract: A theater house includes a stage and stalls; the stage and the stalls include respective elongated portions located side by side and alternating to each other; the stage being at a greater height with respect to the stalls; a roofing is movable between a retracted configuration wherein it uncovers the stalls and an extended configuration wherein it covers the stalls thus defining a further walking surface adjacent to the stage.

Abstract: A swimming pool cleaner includes a chassis that supports a motor and a camera that is associated with the chassis and configured to identify at least one object. A controller is in communication with the camera and is configured to control movement of the pool cleaner based on output from the camera.

Abstract: A system for damping seismic motions transmitted from a foundation to an architectural structure is disclosed. During a seismic event, the seismic damping system may permit bi-directional horizontal movement of the foundation relative to the architectural structure, while simultaneously providing the architectural structure with uplift restraint. The seismic damping system may include upper and lower rail members connected to each other via a bearing assembly. Respective concave surfaces may be formed in the upper and lower rail members to define first and second rolling or sliding paths for the bearing assembly. To limit vertical movement of the architectural structure during seismic motions, the bearing assembly may incorporate uplift restraint members for engaging the upper and lower rail members. Methods of assembling and operating such seismic damping systems are also disclosed.

Abstract: System for supporting an upright member from a support surface includes an elongated carrier releasably engageable with the support surface, a base adapted to extend around at least part of the lower end of the carrier and abut the support surface and at least one anchor associated with the carrier and configured to grip the upright member when the upright member is inserted into a bore of the carrier.

Abstract: A shelter is made from a plurality of connectable panels. The panels include a first panel which has a side edge, an exterior, and an interior, and a second panel which has a side edge, an exterior, and an interior. A connector is configured to hold the side edge of the first panel in abutting relationship with the side edge of the second panel. The connector includes an exterior segment which is configured to connect the exterior of the first panel to the exterior of the second panel, and an interior segment which is configured to connect the interior of the first panel to the interior of the second panel. The exterior and interior segments each include elastic cords which resiliently hold the two panels together. The edges of adjacent panels include ridges and mating grooves, and the panels include a viewing aperture which can be closed with a plug.

Abstract: A low-profile snake barrier includes a plurality of sections that form a boundary. One section of the plurality of sections includes a screen-type material that is supported by a first support brace at a first end of the one section and a second support brace at a second end of the one section opposite the first end. The support braces support the screen-type material in a collapsed configuration and an erect configuration, where the erect configuration includes an upright portion of the screen-type material extending upward from the ground and an overhang portion of the screen-type material extending from the upright portion. In the collapsed configuration, the upright portion and the overhang portion are parallel to the ground. Each support brace include pivotably coupled members.

Abstract: A door installation system includes a spindle rotatably attached to an exterior knob; a first screw post secured to a front surface of the spindle; a second screw post secured to the front surface of the spindle; a cover secured to an interior knob at a first surface. The cover includes a first recess that engages with the first screw post; and a second recess that engages with the second screw post.

Abstract: A plug assembly including a plug, a sidebar movably mounted on the plug, and a plurality rack pins seated in the plug. The sidebar is biased to an outer position in which the sidebar extends beyond an outer surface, of the plug. Each rack pin is a single-piece unitary structure including a key-following leg and a sidebar-engaging leg. The sidebar engaging leg includes at least one true, gate and a plurality of false gates. When a true gate of each rack pin is aligned with the sidebar, the sidebar is free to move radially inward to an inner position.

Abstract: A safety gate is provided with one or more of a curved path for holding a pressure mount to prevent unlocking, and a color-coded locked/unlocked status indicator for use in openings, such as doorways, to provide a barrier for a small child or for any other suitable use. The changing of the colors, from, for example, red to green indicates to a user that the gate is locked (green) or unlocked (red). The door opening mechanisms may allow the door to be unlocked or locked with one hand.

Abstract: The disclosure discloses a door lock including a locking mechanism, a power interface, a main control board, an environmental information collection device and a power supply management device, where the locking mechanism, power interface and power supply management device are respectively connected with the main control board, the environmental information collection device connected with the power supply management device, the environmental information collection device configured to collect and transmit environmental information on the surrounding of the door lock to the power supply management device; the power supply management device configured to carry out processing according to the environmental information and output a power supply mode matched with the environmental information to the main control board; and the power interface configured to execute an operation related to the power supply mode matched with the environmental information according to a power supply instruction from the main control

Abstract: A locking pin includes a body having a plurality of apertures defined through a sidewall. A closure is disposed at an end of the body. A plurality of latch bolts is disposed in the body and adjacent to the closure. Each latch bolt is moveable through a corresponding one of the apertures and between a locked position, disposed at least partially outside of the body, and an unlocked position, disposed at least substantially within the body. A keeper is coupled to each of the latch bolts and configured to retain the latch bolt in the latched position and to bias the latch bolt for movement from the locked position to the unlocked position. A mechanism selectably engages each latch bolt to move the latch bolt to the locked position, and selectably disengages from the latch bolt to allow the keeper to move the latch bolt to the unlocked position.

Abstract: A vehicle door includes a latch mechanism having a fork-bolt that is configured to engage a striker and prevent opening of the vehicle door when the latch mechanism is in a latched configuration. The latch mechanism includes a lock mechanism that disconnects an exterior door handle from the latch mechanism when the latch mechanism is locked. The lock mechanism includes a lock lever having a center of mass that is spaced apart from an axis of rotation of the lock lever whereby the lock lever rotates and locks the latch mechanism in the event of a side impact.

Abstract: A sliding door latch for a vehicle may include a striker mounted on inner surfaces of a front sliding door and a rear sliding door opening a vehicle body opening formed in a vehicle body by moving forward and backward in a longitudinal direction of the vehicle, which faces a vehicle compartment, a latch device suspending the striker to fix or release the striker, and a release operating device configured to release the latch device by operating door handles installed in the front sliding door and the rear sliding door, respectively.

Abstract: A paddle style handle assembly is provided for an RV, emergency vehicle or utility vehicle door or compartment. The assembly includes a housing and pivotal paddle which form a paddle module. The assembly also includes an ornamental bezel. The paddle module and bezel are compression mounted from the interior and exterior sides of a door panel, respectively, so that the panel is sandwiched between the paddle module and the bezel. The housing includes screw holders with molded flash membranes to hold screws prior to assembly on the door panel. The housing includes pockets formed around the paddle axle for receipt of gaskets to inhibit water infiltration. A counterbalance and a power lock actuator may be provided on the paddle module.

Abstract: The vehicle door handle comprises first and second levers (8, 10) mounted such that they can rotate on a common support (4), these levers being not coaxial and arranged in such a way that the first lever (8) operates the second lever (10) which operates a mechanical link that operates the lock (26).

Abstract: A safety device used for a case with a lid, includes a lock pin device having a responding moving member supported in the case, and a lock pin protruding from the responding moving member; a lock member provided on a lid side, and including a cam groove to receive the lock pin; and a spring member. The cam groove includes at least three first portions extending in an opening/closing direction of the lid, having an opening-directional end portion and a closing-directional end portion, and disposed in parallel at a predetermined interval therebetween; and a plurality of second portions connecting the closing-directional end portion of the first portions and intermediate portions of adjacent first portions. A depth of a bottom portion between the first portion and the second portion is different to transfer the lock pin from a first of the first portions to a last of the first portions non-reversibly.

Abstract: A hinge assembly provided for pivotally connecting a door to a main body of a refrigerator. The hinge assembly is configured such that the door is translationally moved with respect to the main body in response to a pivot motion of the door. The hinge assembly comprises a housing having a first slot, a second slot, and a protrusion. A primary gear is attached to the door and slidably positioned within the first slot of the housing such that a pivot motion of the door rotates the primary gear in a first rotational direction. Additionally, a secondary gear, rotationally engaging the primary gear, is slidably positioned within the second slot of the housing. The secondary gear further comprises a cam profile adjacent to the protrusion.

Abstract: A hinge assembly includes a hinge plate having a pin-receiving portion at a first end defining a passageway along the first end, and including a plurality of mounting holes. A pivot arm has a pin-receiving portion at a first end defining a passageway that is substantially coaxial with the passageway of the hinge plate. A hinge pin is disposed in the passageways to pivotally couple the pivot arm to the hinge plate. The pivot arm is pivotable between a closed position and an open position. The pivot arm includes a domed portion forming a cavity positioned to overlie one of the mounting holes in the hinge plate when the pivot arm is in the closed position.

Abstract: Technologies are described for a set of removable couplers configured to secure sequential hinge covers over a sequential multi-pivot hinge module for rotatably securing portions of a computing device. The removable couplers may be configured to engage each end of a shaft, where the shaft rotatably couples frames of the multi-pivot hinge module together. Each of the removable couplers may include threaded holes for engaging a fastening component to secure a hinge cover over each frame. The hinge covers may be installed sequentially over each frame of the multi-pivot hinge module, by installing a frame, attaching removable couplers and securing the hinge cover, and repeating the process for each hinge cover.

Abstract: A door closer assembly includes a central shaft rotatingly mounted in an outer housing and which passes through at least one brake pad. One or more wedges are slidingly mounted on the central shaft by means of a fastener. The wedges, upon tightening of the fastener, wedge against an inclined surface, which forces the wedges downwards and applies a downwards force that causes a friction-enhanced surface to rub against the at least one brake pad.

Abstract: In one general aspect, a method of coupling a base to a lid of a computing device using a hinge can include coupling a base hinge flange to the base, the base hinge flange being connected to a base hinge part that includes a knuckle including a toggle pivot, the toggle pivot coupled to and surrounding a first portion of a first shaft, and coupling a lid hinge flange to the lid, the lid hinge flange being connected to a main hinge part that includes a first cam, the lid hinge flange including a first lid main band and a second lid main band surrounding a first portion of a second shaft, the second shaft being parallel to the first shaft.

Abstract: A shower door guide assembly is provided with a pair of spaced apart brackets. Each bracket has a receptacle formed therein. A crossbeam is provided with a guide formed therein for cooperation with a roller assembly of a door. The crossbeam has a cross-section sized so that terminal ends of the crossbeam are each received in one the receptacles of the pair of brackets for pivoting about a lengthwise axis of crossbeam and translation in the receptacle during installation of the crossbeam terminal ends into receptacles of the pair of brackets. The receptacles and the crossbeam are sized so that each terminal end of the crossbeam can be received in only one receptacle at only one orientation of the installed crossbeam to prevent improper installation. An alignment configuration extends from each bracket to engage a pair of wall jambs for alignment of the brackets to the wall jambs.

Abstract: A door closer, comprising a door closer housing mounted to one of a door frame or a door surface and a linkage arm for pivoting the door between open and closed positions. The linkage arm has a first and second end, the first end mounted to the other of the door frame or the door surface. The door closer includes a rotatable connector between the linkage arm and the door closer housing, the linkage arm second end engaging with the rotatable connector. The connector has a rotatable body portion and head protrusion substantially secured in a female receptor to transmit rotation about a longitudinal axis of the connector. One or both of the head protrusion or female receptor has a curved profile and is further movable with respect to the head protrusion to permit limited rotational misalignment of the linkage arm on any axis perpendicular to the connector longitudinal axis.

Abstract: In a power window apparatus, which controls a lifting mechanism to drive a window glass from an opening position toward a closing position, a control unit is capable of executing: an automatic closing process that controls the lifting mechanism such that the lifting mechanism keeps driving the window glass until the window glass reaches the closing position; and a normal closing process that controls the lifting mechanism such that the lifting mechanism drives the window glass toward the closing position only throughout a time period of receiving a user operational input through an operation switch. The control unit executes only the normal closing process between the automatic closing process and the normal closing process when the operation switch receives the user operational input while the window glass is located within a predetermined section in a movable range of the window glass.

Abstract: A door assembly includes a first door skin and a second door skin spaced apart from the first door skin. The assembly also includes an energy sensor generating an energy signature signal and a memory storing a door component operating signature. A controller is coupled to the accelerometer and forms a comparison of the energy signature signal to the door component operating signature and generates a door component operation status signal in response to the comparison.

Abstract: A one-piece sill pan flashing is provided with one or more accordion sections. At least the accordion sections, and preferably the entire flashings, are formed of a single sheet of thermoplastic material, preferably by thermoforming, and include forwardly and downwardly inclined upper portions and vertical lower portions extending downward from the front of the upper portions. The accordion sections include upper and lower portions, formed of narrow panels, foldably connected along their lateral edges to form V-shaped accordion folds having a series of ridge folds and valley folds. The valley folds of the upper portions are aligned with the ridge folds of the lower portions and vice versa. The construction accommodates substantial extension or compression of the width of the flashing and enables one size of flashing width to be fitted to a wide range of sizes of rough-framed window openings.

Abstract: The objective is to propose a production method of multiple panes which can be simple and nevertheless produce a multiple pane in its finished state which does not include any undesired protrusion from an external surface of a glass panel. The production method includes: hermetically bonding, with a sealing member, peripheries of paired glass panels disposed facing each other at a predetermined distance to form a space to be hermetically enclosed between the glass panels; evacuating air from the space through an outlet to make the space be in a reduced pressure state; and dividing, after the space is made be in the reduced pressure state, the space by a region forming member into an outlet region including the outlet and a reduced pressure region other than the outlet region.

Abstract: A draft guard balancer is provided that attaches to, or is otherwise mechanically coupled to, or an integral part of, an existing balance shoe or balancer for a fenestration product such as a double hung window. The draft guard balancer creates a weatherstop along the track of the fenestration product that resists air, water, dirt, dust, pollen, and insects from entering the track and then the building. The draft guard balancer may be used with a balancer having a variety of springs, spring assemblies, balancer shoes and pivot bar arrangements. The draft guard balancer creates a seal that also prevents the increased friction that results from dirt and debris entering the track, thus making for a more energy efficient, easier to operate fenestration product. The draft guard balancer is equally applicable to both top and bottom sashes of a double hung window as well as other fenestration products.

Abstract: An automatic door seal seals the gap between the lower edge of a door and a threshold. The seal is magnetically actuated so as to move downward into sealing engagement with the threshold when the door is closed and raises out of engagement when the door is opened. A transmission assembly converts horizontal movement from the magnetic force into vertical movement for the seal. Springs provide a reset force when the magnetic force is eliminated so as to retract the seal strip whenever the door is moved from the closed position.

Abstract: A bottom rail for a cordless blind has an elongated body having a bottom, a top spaced apart from and substantially parallel to the bottom, a concave front face connected between the bottom and the top and a concave rear face connected between the bottom and the top. The concave surfaces provide comfortable gripping areas enabling a user to easily grasp the bottom rail and raise or lower the cordless blind.

Abstract: An oscillating mud motor having a valve section and a piston section positioned within a hollow cylindrical housing wherein the valve section comprises a timing cycle valve and a spool valve which hydraulically controls rotational movement of a piston on a central shaft in the piston section for linear reciprocation within the housing.

Abstract: A down-the-hole drill hammer is provided that includes a housing, a drill bit, a piston, a roller ramp clutch and a coupler. The DHD is configured to have a bit-piston-clutch-casing torque circuit which concurrently rotates the piston and drill bit. The drill bit is positioned proximate a distal end of the housing. The piston is configured to reciprocally move within the housing along an axial direction. The piston includes a helical spline and an axial spline on a surface of the piston. The roller ramp clutch circumscribes and engages the piston. The coupler circumscribes and engages the piston and drill bit.

Abstract: System and methods for performing look-ahead and look-around (LALA) inversion are provided. Measurements of formation properties accumulated by a downhole LALA tool are obtained during different stages of drilling a wellbore through layers of an underground formation. A distribution of formation properties measured for the layers behind a current layer is determined. A formation model for look-ahead inversion is defined based on the determined distribution of formation properties behind the current layer. Measurements of the current layer's formation properties collected by the downhole LALA tool are obtained. A distribution of formation properties for one or more layers ahead of the current layer is estimated based on the formation model and the measurements of formation properties obtained for the current layer. The estimated distribution includes a gradient transition of formation properties between the current layer and the one or more layers ahead of the current layer.

Abstract: A steerable rock bit attached by a drill string to a horizontal directional drill. The bit comprises a plurality of flanges radially extending from a central hub and a slanted face formed in the body of the bit. Cutting elements such as polycrystalline diamond compacts are disposed on the flanges on one side of the flanges such that they will provide cutting force when the bit is rotated in the direction of the cutting elements. The bit is advanced generally straight when the bit is rotated and is advanced at an angle away from the slanted face when the bit is not rotated.

Abstract: A system includes an excavation assembly, which in turn includes a supporting body having a perimetric edge defining a closed path. A distribution apparatus protrudes transversally relative to the perimetric edge and is movable in a guided manner on the supporting body. The distribution apparatus transversally distributes a quantity of hardenable or solidifiable material towards the outside of the perimetric edge, so as to be able to lay a plurality of axially superimposed annular layers(s) of the hardenable or solidifiable material defining a tubular structure (T) around the excavation assembly. A motor device moves the distribution apparatus on the supporting body.

Abstract: An air-cooled earth-boring drill bit including a plurality of lugs. Each lug includes a pin flange. A first roller race is distal to the pin flange. A thrust flange is distal to the first roller race. At least one pin flange vent slot is arranged in a surface of the pin flange opposite the first roller race. The at least one pin flange vent slot opens in a direction of a load side of a bearing. At least one thrust flange vent slot is arranged in a surface of the thrust flange facing the first rollers. The at least one thrust flange vent slot opens in the direction of the load side of the bearing. A plurality of flow passages are arranged within the lug to supply fluid to the at least one pin flange vent slot and the at least one thrust flange vent slot.

Abstract: A drilling device for a down-the-hole drilling apparatus. The drilling device includes in a guide, a drilling member and a flushing mechanism configured to flush drilling waste. The drilling mechanism includes first and second drilling bit arrangements that are movable with respect to the drilling device and that are arranged to be expanded to drill a hole having a greater cross-sectional surface area than an end of the casing and arranged to be reduced to a size smaller than the end of the casing. Bit pieces of the second drill bit arrangement expand and reduce the second drill bit arrangement. The bit pieces expand the second drill bit arrangement by moving in a radial direction outwards in slide grooves, by rotating the guide in a drilling direction, and move in the radial direction inwards in the slide grooves, by rotating the guide in an opposite direction.

Abstract: An under-reamer comprises a body and extendable cutters mounted on the body. The under-reamer is configured to be cycled between a first configuration in which the cutters are retracted and a second configuration in which the cutters are movable between retracted and extended positions. A control mechanism is provided and is configurable to prevent the under-reamer cycling between the first and second configurations and thus maintain the under-reamer in a selected one of the first and second configurations.

Abstract: An earth-boring drill bit includes a bit body having a powder component and a binder. The powder component includes a plurality of nanotubes disposed on a surface of at least one particle of the powder component.

Abstract: Downhole tools with a topographical pattern, and anti-balling material over the topographical pattern. The topographical pattern may be defined by at least one of a plurality of recesses extending into a surface of a body of the tool and a plurality of protrusions protruding from the surface. Downhole tools include an insert disposed within a recess in a body, and the insert comprises an anti-balling material having a composition selected to reduce accumulation of formation cuttings on the tools when the tools are used to form or service a wellbore. Downhole tools include anti-balling material disposed over a porous mass provided over the surfaces of the tools. Methods of forming downhole tools include providing anti-balling material over features on and/or in a surface of a body of a tool. Methods of repairing downhole tools include removing an insert therefrom and disposing a replacement insert therein.

Abstract: A cutter comprises a superhard construction, the cutter having a cutting edge defined by a rake face, and a flank extending therefrom. The cutter also has first and second regions, the first region abutting the second region along a boundary, the first region having a different material composition from the second region. At least the second region comprises superhard material, the material of the first region has a different coefficient of thermal expansion (CTE) from the material of the second region. The second region extends around the peripheral edge of the first region defined by the boundary to form a collar therearound, the first region and/or the second region extending to and/or forming at least a part of the rake face.

Abstract: Polycrystalline diamond compact (PDC) cutting elements include leached and un-leached regions. The leached region may be or include a leached annular region. An inner boundary of the leached annular region remote from a side surface of the polycrystalline diamond may have a non-linear profile in a plane extending through the PDC cutting element along a longitudinal axis of the cutting element. Methods of forming PDC cutting elements include configuring polycrystalline diamond of a PDC cutting element to have such a leached annular region with a non-linear profile. Earth-boring tools may be formed that include such PDC cutting elements.

Abstract: A method for dust suppression for an autonomous drilling machine operating at a work site. The method comprises of generating by a perception module perception data of the work site, receiving at least one machine parameter from a machine sensor of the autonomous drilling machine, predicting by a controller a dust level for the autonomous drilling machine at the work site based on one of the perception data or the machine parameter, determining a fluid discharge rate for a fluid discharge unit based on the predicted dust level, and adjusting the fluid discharge rate based on dust level detected during the drilling operation.

Abstract: An auger cleaning apparatus for the removal of debris and drilling substrate from the helical blades of an auger, the apparatus comprising two half-cylinder sections attaching by a hinge which encircle the outer perimeter of the auger, the two half cylinders forming a full cylinder, with at least one scraper directed to an inner cavity within the full cylinder, each scraper fitting within the voids between the threaded helical blade, scraping the debris and drilling substrate from the auger blade, each scraper extending between the spaces within the helical auger blade expelling the removed debris from the inner cavity through a respective evacuation port outside of the auger cleaning apparatus.

Abstract: An example shunt tube assembly includes at least one shunt tube that defines an inner flow path for a fluid and provides an upper portion and a lower portion. At least one shunt fitting is positioned inline between the upper and lower portions of the at least one shunt tube. The shunt fitting provides an outlet that fluidly communicates with the inner flow path to provide an exit for at least a portion of the fluid to be discharged from the at least one shunt tube.

Abstract: Threaded drill string component having a hollow elongate body with a box end portion, an opposing pin end portion and a cylindrical mid-body portion that extends longitudinally between the respective box and pin end portions and has a variable wall diameter. The mid-body inner wall of the mid-body portion has at least one projecting portion or upset that is spaced from both the box and pin end portions and extends inwardly toward a central longitudinal axis of the hollow body and a plurality of troughs defined in the mid-body inner wall of the mid-body portion.