Abstract: A multi-purpose bolt unit for fixing an object to a drilled hole formed in a soft construction structure. The multi-purpose bolt unit including: a cylindrical body inserted into the drilled hole; a front end tip formed at a lower end of the cylindrical body and having a larger outer diameter than an outer diameter of the cylindrical body; an upper thread surface formed in an upper side of the cylindrical body while spaced apart from the front end tip; an elastic packing pipe inserted into the cylindrical body and placed on the front end tip; an upper washer inserted into the cylindrical body and placed on the elastic packing pipe; a compression nut screwed to the upper thread surface and pressurizing the upper washer so that the elastic packing pipe expands; and a fastening screw groove formed inside the cylindrical body and opened upward through the compression nut.

Abstract: There is disclosed a pole support for removably supporting a hollow tubular pole, wherein the pole has a latching recess provided along its length. The pole support includes a housing defining a socket that is open at its operative upper end for receiving the pole. A latch is located within the socket and is mounted on a pivot to be pivotally movable between a latched position and an unlatched position. The latch has a latching arm extending on one side of the pivot and a ballast arm extending on an opposed side of the pivot, wherein a centre-of-weight of the latch is located off-centre from the pivot in the ballast arm so that ballast arm normally biases latch under gravity into its latched position.

Abstract: Apparatus and associated methods relate to a graveside communications device exchanging multimedia between a grave and a user's communications device remote from the grave, activating an energy emitter configured by the graveside device to physically interact with the grave responsive to the remote user's activity, and sending to the user's communication device a live indication of the interaction. In an illustrative example, the device at the grave may include a video camera. The user's device may be configured to exchange multimedia with the graveside device. In some examples, the energy emitter may be a laser pointer directed at the grave. The remote user's activity may be, for example, the user1 s voice captured by the user's smartphone modulating the laser pointer light. Various examples may advantageously provide graveside telepresence, permitting a user physical interaction with a grave, and providing live indication of the interaction to the user.

Abstract: A stowable and deployable shelter may include a frame structure with a first support arch pivotably attached to a base at a pair of pivot points, and a second support arch pivotably attached to the first support arch via a pair of slidable hinges. The slidable hinges are positioned to translate along the first support arch toward and away from the pair of pivot points. In some embodiments, at least one of the slidable hinges includes a locking mechanism for releasably locking the at least one slidable hinge at a selected location along the first support arch. In some embodiments, the hinges may be fixed instead of being slidable. The support arches support a fabric shell to form an interior of the shelter. The base may include a sled container having runners for sliding through snow or across terrain.

Abstract: A modular canopy device having rotatably adjustable canopy panels that rotatable substantially through a range of 180 degrees that is removably secured to a base support assembly including a cantilever support member. A canopy fabric is provided on the canopy panel frame members to provide shelter and concealment attributes.

Abstract: A tent frame includes a detachable illumination device with a casing to house batteries, a light source to emit light, a coupler and a first cover. The casing includes a first member. The coupler includes a second member, and one or more electrically-conductive members for electrically connecting the batteries. The second member is movable relative to the first member in a first direction to facilitate engagement/disengagement of the coupler with/from the casing. The second member is immovable relative to the first member in a second direction to prevent the one or more electrically-conductive members from misaligning with the batteries. The first cover is movable relative to the coupler in the first and second directions. When connected to the casing, the first cover pushes the coupler in the first direction toward the batteries and presses the one or more electrically-conductive members against the batteries to ensure electrical connection.

Abstract: A floor structure system may have a hub with a plate with an upper surface. A beam connector may be connected to the upper surface. At least one pin may extend from the upper surface. The pin may be adapted to connect with a rod or a cable extending generally transverse the pin direction. The rod or cable may have an aperture adapted to receive the at least one pin. The system may also have a beam attached to the beam connector.

Abstract: Disclosed herein is a fluid container comprising: a base, having a bottom portion and a side portion, the bottom portion and the side portion being one unitary sheet, and a side wall joined to the base at the side portion and defining an interior volume of the fluid container, the side wall comprising: a first plastic material, an inner wall, an outer wall, at least one inflatable air chamber defined by a volume between the inner wall and the outer wall and substantially continuous throughout the side wall, and at least one air valve disposed on the outer wall and in fluid communication with the at least one inflatable air chamber. Also disclosed herein are methods of making and using the same.

Abstract: A handle system for a sliding door system is provided. The handle system includes: a first panel; a second panel wherein at least one of the first and second panels is configured to move in a direction parallel to the other of the first and second panels and the first and second panels are configured to also move together in a generally pivoting motion; handle located on one of the first and second panels; and a latch operatively connected to the handle, the latch configured so that movement of the handle moves the latch from a locking position to an unlocking position to allow the first and second panel to pivot.

Abstract: An insulated door lock assembly including a base member with an aperture for the cylinder of a lock. The base member is configured to be mounted to a door around a hole for the door lock. The inner volume of the base member can be filled with an insulating material. A cover member can be coupled to the base member through a hinge joint. The cover member can be configured to switch between an open state and a closed state. A keyway or a thumb turn of the door lock can be accessible in the open state and the keyway or the thumb turn is covered by the cover member in the closed state. An O-ring can also be provided around a periphery of the base member for sealably engaging the cover member to the base member.

Abstract: A lock assembly includes a lock, a pre-loadable mount and an adjusting element. The lock includes a shell formed with two bores and a hole. The pre-loadable mat t includes a yoke, two bent rods extending from the yoke, and two pivots respectively extending from the bent rods, wherein the pivots are respectively inserted in the bores. The adjusting element includes a first section inserted in the hole and a second section placed against the yoke so that the bent rods are located against a rear face of the door while a portion of the shell is placed against a front face of the door.

Abstract: An elevator hoistway door key multi-tool for elevator technicians', maintenance workers', and emergency rescuers' use. The invention is used to open elevator hoistway doors of different types in an emergency when, sometimes, time is critic. Elevator hoistway door key multi-tool comprises a housing assembly having at least two pins, and an elevator hoistway door key assembly. The elevator hoistway door key assembly comprises at least two elevator hoistway door keys. Each of the at least two elevator hoistway door keys pivots at one of at least two pins. The elevator hoistway door keys comprises, but are not limited to, T-shaped key, semicircular key and the flapper-type drop.

Abstract: The lock with key having expanding arm elements is a lock. The lock with key having expanding arm elements comprises a body structure and a key structure. The key structure inserts into the body structure. The key structure rotates within the body structure to release the locking elements of the lock with key having expanding arm elements. The key structure comprises a plurality of rotating blade structures. Each of the plurality of rotating blade structures interact with an independent lock mechanism selected from a plurality of lock mechanisms contained in the body structure. The rotation of each rotating blade structure within its associated independent lock mechanism releases the locking elements of the lock with key having expanding arm elements.

Abstract: A magnetically-triggered lock mechanism for interengaging two relatively movable components. The lock mechanism includes a bolt mounted within a first component composed of a first material and displaceable between retracted and extended positions to interengage with a second component when the first and second components are in a predetermined position relative to each other and the bolt is extended, and a magnetically-releasable latch mechanism positioned to latch the bolt in a retracted position, the latch mechanism including a first magnet and mounted for movement between a biased latch engaging position and a latch releasing position. A support collar composed of a second material having higher strength than that of the first material is disposed around the bolt between an inner casing and outer casing of the first component and is spaced from the bolt to allow for sliding movement of the bolt through the support collar as the bolt moves between the extended and retracted positions.

Abstract: According to some exemplary embodiments described herein, a door lock may include a driveshaft operatively couplable to a bolt configured to move between an extended position and a retracted position to selective secure an associated door. The door lock may also include a transmission coupled to the driveshaft, where the driveshaft includes at least one gear configured to rotate with the driveshaft. The door lock may also include a magnetic encoder coupled to the transmission and configured to measure a position of the at least one gear. The magnetic encoder may include a diametrically polarized magnet coupled to the at least one gear.

Abstract: A portable electronic lock comprises a lock body and at least one securing part, in particular a U hoop or a bolt, that can be selectively locked to the lock body or released from the lock body. The lock body further comprises a first introduction opening and a second introduction opening for introducing a respective section of the at least one securing part into the lock body; an electromechanical locking device that has a first latch and a second latch, a cam rotatable about an axis of rotation and an electric motor for driving the cam; and a control circuit.

Abstract: The electric strike can have a housing having an internal face receivable against a receiving face of a door frame, an external strike face, a socket recessed into the strike face along a socket axis normal to the receiving face of the door frame, for receiving a male locking member retractably mounted to a door, the male locking member also being moveable transversally to the socket axis, along a horizontal escape path, by opening the door, the electric strike further having a keeper pivotally mounted around a pivot axis between a closed configuration and an open configuration, the pivot axis parallel to the socket axis and offset from the escape path on a first side of the socket, inside the housing, the keeper having a gate member forming a restraining wall of the socket blocking the escape path when in the closed configuration, and a distal end.

Abstract: A vehicular exterior door handle assembly includes a bracket, a handle, and a clip. The handle, with the bracket mounted at an exterior door handle region of a vehicular door, is movable relative to the bracket by a user to actuate a latch mechanism for opening the door. The clip is attached at the bracket and engages a pivot end of the handle when the pivot end is inserted into the bracket, and retains the pivot end of the handle at the bracket when the pivot end of the handle is engaged with a pivot element of the bracket. The clip (i) limits movement of the handle relative to the bracket in a direction along a longitudinal axis of the bracket or handle, (ii) allows pivotal movement of the handle about the pivot element of the bracket, and (iii) allows for removal of the handle from the bracket.

Abstract: A sealed latch assembly for a vehicle closure panel is provided. The latch assembly includes a housing having an interior sized for receipt of internal components of the latch assembly. A cover is attached to the housing to enclose at least a portion of the cavity. At least one release cable is configured for operable connection to at least one of the internal components. A cable bushing is attached to the cover. The latch bushing can have a coupling mechanism including a tab and slot arrangement for releasably coupling a body of the cable bushing in a receptacle of the cover. The latch bushing can have a retaining mechanism oriented transverse to the longitudinal axis for inhibiting disconnection of the cable bushing from the cover in a direction along the longitudinal axis.

Abstract: A latch assembly for an access door of a storage compartment in a vehicle, includes a locking bar configured to move into an engaged configuration which enables the access door to be placed and held into a closed position and a disengaged configuration which permits the access door to be placed into an opened position; and an automatic locking mechanism including a shape memory alloy (SMA) actuator configured to be coupled to the access door, and further including a locking feature operably coupled to a portion of the locking bar, and configured to engage and disengage the SMA actuator which is electrically energized to move into a locked position to prohibit the locking feature from moving. A latch assembly for an access door of a storage compartment in a vehicle includes an SMA actuator configured to move the locking bar into the disengaged configuration with the storage compartment.

Abstract: A motor vehicle lock with a locking mechanism and a lock housing structure, a motorized drive arrangement to actuate a mechanical lock component, a control unit for the actuation of the drive arrangement, and an energy storage arrangement for the electric voltage supply of the drive arrangement and/or the control unit being provided in or on the lock housing structure. The lock housing structure has an inner housing part attached to the locking mechanism and the drive arrangement, a housing cover for closing an upper side of the inner housing part, and, between the inner housing part and the housing cover, a control housing part including a control board of the control unit and the energy storage arrangement, and leadframe lines extending at least in sections along the board plane and connected electrically via the leadframe lines of the leadframe to the control board and drive arrangement.

Abstract: A latch assembly for a closure panel and corresponding method of operation are provided. The assembly includes an actuation group to latch and unlatch the closure panel using power from a main power source during normal operation. A first backup energy source is selectively coupled to the actuation group and stores energy during normal operation and supplies the energy during a failure. A second backup energy source is selectively coupled to the first backup energy source and supplies energy thereto during the failure. A latch controller is coupled to the backup energy sources and detects latch operation and whether there is normal operation. The latch controller charges the first backup energy source using energy from the second backup energy source based on the detection of latch operation and the failure and disconnects the second backup energy source during normal operation to conserve energy stored in the second backup energy source.

Abstract: A cam lock for cabinets adaptable to cabinet drawers and doors of various thicknesses is disclosed. The cam lock includes a cam, a plug, an adapter, and a cylinder housing. The plug has a keyway and tumblers in communication with the keyway. The adapter is configured to couple to the cam and the plug. The cylinder housing is configured to receive the plug and the adapter. The retainer clip is configured to extend through the cylinder housing into registry with the plug after the plug and adapter are inserted into the cylinder to thereby retain both the plug and the adapter in the cylinder housing, whereby installation of the cam lock in the cabinet is simplified.

Abstract: A door stop is provided herein that includes a base section positioned at least partially offset from a door, a forward section extending from the base section, an intermediate section extending from the base section, and a rear section. A retainment zone is defined between the base section, the forward section, and the intermediate section.

Abstract: An oven includes an oven body, a heating element, a frame, and an oven door. The oven body has an inner space inside and includes a front plate, wherein the front plate has an entrance that communicates with the inner space. The heating element is adapted to heat the inner space. The frame is engaged with the oven body and has an abutted portion. The oven door is pivotally connected to the oven body and is located at the entrance. The oven door can pivot to a closed position to close the entrance and can pivot downward to an open position from the closed position to open the entrance. When the oven door is located at the open position, the second surface abuts against the abutted portion of the frame, thereby forming a platform outside the entrance for placing objects.

Abstract: A fastening device for axially fastening a rotatably mounted threaded pin to a closing element, in particular a door, having a fastening element, which can be screwed onto the threaded pin, and having a backward-rotation prevention means for securing the screwed-on fastening element, wherein the backward-rotation prevention means has a sealing region for sealing the threaded pin with respect to the closing element. The disclosure also describes a closure actuator and a closing element incorporating the fastening device.

Abstract: A latch mechanism includes a latch having a first latch protrusion and a second latch protrusion, and a catch having a first catch protrusion and a second catch protrusion. The first catch protrusion engages the first latch protrusion in a first catch position. The second catch protrusion engages the second latch protrusion in a second catch position following release of the first catch position.

Abstract: A sliding door assembly includes a track assembly comprising an inner track component, and outer track component, and a central track component, the inner track component and the central track component defining an inner track, the outer track component and the central track component defining an outer track; a pivot assembly engaged with and movable along the inner track; a sliding door pivotably mounted to the pivot assembly; and a locking pin coupled to the sliding door and movable between an extended configuration and a retracted configuration, wherein, in the extended configuration, the locking pin is engaged with and movable along the outer track.

Abstract: Disclosed herein is a sealing assembly for moving a slidable panel for engagement with and disengagement from sealing means, the sealing assembly comprising a linkage assembly which connects a handle and at least one roller assembly having roller wheels, the sealing assembly being configured to be adjustable, by manipulation of the handle, such that the at least one roller assembly and the slidable panel supported thereby are movable between a first position where the slidable panel is in contact with sealing means thereby providing weatherproofing and a second position where the slidable panel is free of the sealing means and the panel is able to move freely relative to an outer frame, and wherein the linkage assembly is configured to as to provide a variable force through the handle when the at least one roller assembly and supported panel is moved between the first and second positions.

Abstract: An arrangement for guiding a movable furniture part includes a guide rail to be fastened to the fixed furniture part, a guide device mounted movably on the guide rail and in particular can be coupled to the movable furniture part, and a first cable having a first end to be secured to the fixed furniture part and a second end to be coupled to the guide device. A securing device can secure the first cable to the fixed furniture part, and the securing device has a mounting device designed such that the first cable is mounted so as to be movable relative to the fixed furniture part to a limited extent at least in the event of overload.

Abstract: A control system includes a contact sensor configured to detect contact between an operation body and a door handle, a force sensor configured to detect a force applied by the operation body to the door handle, and a controller configured to control opening or closing of a door when the contact is detected by the contact sensor and the force is detected by the force sensor.

Abstract: A device for a track- or rail-mounted closure drive assembly can include a lever and cam arrangement configured to drive an engagement member between an engaged position and a disengaged position, the engaged position allowing motor drive of a closure and the disengaged position disconnecting the drive from the motor to the closure; and a rotating body including one or more camming surfaces and one or more peripheral surfaces, the peripheral surfaces including visual indicia to indicate to a user an orientation of the one or more camming surfaces and hence whether the engagement member is in the engaged position or the disengaged position.

Abstract: A vehicle operation detection device includes processing circuitry configured to output a command causing an opening-closing body of a vehicle to open and close in reference to capacitances of sensor electrodes arranged so as to form a row. The processing circuitry is configured to determine that a first operation has been performed when one of the sensor electrodes of which the capacitance increases is sequentially shifted in a first direction from an operation start electrode and determine that a second operation has been performed when the shifting is performed in a second direction. The sensor electrodes include an adjacent electrode adjacent to the operation start electrode. The processing circuitry is configured to determine that the capacitance of the adjacent electrode has increased when the capacitance becomes greater than or equal to a second determination value that is greater than a first determination value.

Abstract: The invention describes a fluid damper for furniture parts that are movable relative to one another, said fluid damper comprising a piston (4) guided movably in a cylinder (1) along a longitudinal axis. At least one through opening (4.1, 4.2) for fluid flowing through is provided in the piston (4) and/or between the piston (4) and cylinder (1). A sleeve (2) is arranged so as to be radially rotatable, relative to the piston (4) against a spring loading, about the longitudinal axis or about an axis running parallel thereto, which sleeve comprises, on its circumference, a number of wings (2.1, 2.2, 2.1?, 2.2?) corresponding to the number of through openings (4.1, 4.2). The spring loading is directed such that the wing (2.1, 2.2, 2.1?, 2.2?) exposes the through opening (4.1, 4.

Abstract: A door drive device for adjusting and/or locking a vehicle door relative to a vehicle body including an adjustment member, a drive element operatively coupled to the adjustment member such that the adjustment member is movable with respect to the drive element for moving the vehicle door, a sensor device for measuring a measuring quantity indicative of a movement of the vehicle door to provide a sensor signal, a brake device operatively connected to the drive element for braking a movement of the vehicle door, and a control device for controlling operation of the door drive device. The control device is configured to compute, from the sensor signal obtained from the sensor device, an acceleration value indicative of an acceleration of the vehicle door and evaluate the acceleration value to distinguish movement of the vehicle door caused by a gravity force from movement caused by a user action.

Abstract: The present invention relates to an installation structure of an elastic gasket attached and installed as a sealing member to a moving window glass supporting insulation bracket in a sliding window having a two-sided supporting frame window chassis, and more specifically, it relates to an installation structure of a sealing member (e.g. an elastic gasket) that is installed to provide a sealing function between a glass supporting insulation bracket that directly supports a glass panel of the moving window from the top or bottom and a window frame provided with a sliding rail, when opening and closing the sliding window having only two-sided supporting frame that support both sides of the glass window constituting the sliding window.

Abstract: The present invention relates to a heat insulation and support structure between a moving window (sliding window) and a fixed window constituting a sliding window system, or between a moving window and another moving window. More particularly, the present invention relates to a window chassis insulating structure and a glass panel supporting (mounting) structure including technical improvements in a center bar portion in which a window chassis of a movable window and a fixed window (or other movable window) overlap each other when a sliding window of a two-side supporting frame window having a two-sided supporting frame for supporting only both sides of a glass window constituting a sliding window system, is closed.

Abstract: The present disclosure relates to an aperture covering, such as a building aperture covering. The aperture covering comprises a VIG unit 3 and a frame. The frame (2) comprises elongated fixation profiles (6) each of which are fixed to and arranged parallel to an elongated structural frame member (8). The fixation profile (6) comprises a fixation wall (6a) which extends opposite to an exterior major surface (S1) of the vacuum insulated glass unit (3) and is fixed to the exterior major surface (S1) of the vacuum insulated glass unit (3) by means of a bonding seal (9). The fixation profile (6) comprises a connection member (6b) extending from the fixation wall (6a), wherein the connection member (6b) is fixed to the elongated, structural frame member (8). The elongated structural member (8) faces the opposite interior major surface (S2) of the vacuum insulated glass unit (3) placed opposite to the exterior major surface (S1) of the vacuum insulated glass unit.

Abstract: A method and system for achieving compliance for a fire-rated door assembly. To comply with fire rated door assembly codes and compliance, all components, including hardware must be listed and labeled by a certification agency, such as Underwriters Laboratories (UL). The disclosure may include a hardware preparation filler solution which allows fire-rated doors to maintain fire rating and compliance when removing or modifying hardware, or converting between hardware types.

Abstract: A louvre window having: a frame, the frame having a head, a sill and at least two jambs; a drive bar located in one or both of the jambs that is movable by a handle; a plurality of blades located within the frame and connected to the drive bar by a pivot drive connector, such that movement of the drive bar urges the blades to pivot, each blade having: a first windowpane attached to the blade; and a second windowpane attached to the blade, wherein operation of the handle causes movement of the blades between an open position and a closed position, wherein in the open position the first windowpanes are aligned to form a barrier against airflow and the second windowpanes are aligned to form a barrier against airflow and in the closed position the first windowpanes are pivoted out of alignment to allow airflow and the second windowpanes are pivoted out of alignment to allow airflow.

Abstract: The present invention relates to a multifunctional glazing unit suitable for generating electricity, to a method of preparing same and use thereof, said multifunctional glazing unit comprising a first sheet of glazing material comprising a first face and a second face, a second sheet of glazing material comprising a first face and a second face, a photovoltaic portion, and a reflecting element, wherein the first sheet of glazing material and the second sheet of glazing material are separated by a cavity, the second faces of each sheet of glazing material face towards the cavity, the photovoltaic portion and the reflecting element are each positioned between the first sheet of glazing material and the second sheet of glazing material, and wherein the photovoltaic portion comprises a transparent region, a bi-facial region, and at least one photovoltaic element.

Abstract: A manual switching type drive device is provided which comprises an outer tube, and a speed reducer, a motor core, an electrical control board, a power source and a travel unit are provided in the outer tube; the electrical control board is fixed through a fixing bracket inside the outer tube; the electrical control board is provided with a voltage sensor for controlling the stop and start of the drive device; the electrical control board is further provided with a trigger switch; the fixing bracket is provided with a slide piece which can be abutted against or separated from the trigger switch; the slide piece is connected with an actuator capable of driving the slide piece to abut against or separate from the trigger switch; an end of the actuator penetrates through the travel unit and naturally drops down for hand pull for a more convenient operating.

Abstract: A drilling system having retractable wings and method of using same. The system includes at least one wing, which can extend from the system once it engages in a casing and abuts against an abutment ring at the bottom end of the casing. When the system starts drilling a hole into the ground, the casing is installed down the hole. In one configuration, the at least one wing is at least partially retracted into the drilling system and locked in this position. In another configuration, the at least one wing extends from the drilling system and locks into an extended position. The system can be connected to a down-the-hole hammer, a top-hammer drilling rod, or any other suitable rock drilling tool/apparatus, and can be used with a single and a dual rotary drilling tool/apparatus.

Abstract: A drilling unit for drilling a hole, wherein the drilling unit comprising a drilling head (1). Said drilling head (1) further comprising pulling means (2) for pulling a casing (7) into the hole, a pilot bit (3) for drilling a center hole, connecting means and a ring bit assembly (4) for reaming the center hole for the casing (7). Said ring bit assembly (4) being connected to said pilot bit (3) by the connecting means and to said casing (7) by the pulling means (2). Said ring bit assembly (4) comprising a carrier (5) comprising carrier coupling means (23) and a plurality of ring bit segments (6) movably attached to said carrier coupling means (23).

Abstract: Described herein are multi-tool boring systems and methods of operating such systems for tunnel boring and/or underground pipe installation. A multi-tool boring system is specially configured for fast installation and replacement of various tools, such as a pneumatic rammer and a hydraulic drive, enabling different operating modes of the system, e.g., pilot tube installation, auger boring, pipe ramming, pilot pullback boring, static pipe bursting, and non-contact boring. In some examples, a multi-tool boring system comprises a track assembly, a jacking frame slidably supported on the track assembly, and an impact plate assembly, which is attached to the jacking frame and comprises an impact plate and shock absorbers between the impact plate and the jacking frame. The impact plate comprises an impact plate opening configured to engage and support a pneumatic rammer. The rammer can be replaced with a hydraulic drive with a shaft protruding through the opening.

Abstract: A system for connecting a cement string for a cementing operation, the system may include a casing spool and a lower quick connector attached to the casing spool, the lower quick connector comprising a lower body having an inner surface and at least one sealing element disposed on the inner surface of the lower body. The system may also include a cement adapter removably connected to the lower quick connector, the cement adapter comprising a cement adapter body having an outer edge that engages at least one sealing element and a radial protrusion extending outwardly from the cement adapter body and a connector clamp that engages the lower quick connector and the cement adapter to hold the cement adapter in place relative to the lower quick connector.

Abstract: The invention relates to a rod section of a ground drilling rod, wherein the rod section is configured at the end to form a plug connection and has (a) a male connector or (b) a female connector at at least one end, wherein the male connector has at least one circular portion and at least one more straight-line-like portion in cross section on the outside, or the female connector has at least one circular portion and at least one more straight-line-like portion in cross section on the inside.

Abstract: The low friction wireline standoff improves wireline cable performance during borehole logging operations. The use of low friction wireline standoffs ameliorates the effects of wireline cable differential sticking, wireline cable key-seating, and high wireline cable drags, by reducing or eliminating contact of the wireline cable with the borehole wall during the logging operation. The low friction wireline standoff comprises external wheels mounted on two finned half shells that clamp onto the wireline with precision cable inserts which are manufactured to fit a wide range of logging cables. The wheels reduce the cable drag down-hole resulting in lower surface logging tensions, aiding conveyance in deep and deviated wells.

Abstract: A hydraulic tensioning system is associated with a wire rope feed system of a drilling rig for applying tension to the hoist and pulldown ropes during hoist and pulldown operations. The hydraulic tensioning system includes a hydraulic tensioning circuit with a hoist hydraulic circuit directing hydraulic fluid to a hoist actuator applying tension to the hoist wire rope and a pulldown hydraulic circuit directing hydraulic fluid to a pulldown hydraulic actuator applying tension to a pulldown wire rope. A hydraulic control valve can selectively direct flow to the hoist and pulldown hydraulic circuits.

Abstract: A drilling system for use in drilling a wellbore including a driving mechanism and a separation device disposed upstream of the driving mechanism. The separation device filters at least a portion of any solids from drilling media flowing through a filter flow path of the separation device. The separation device flushes at least a portion of the filtered solids through a flush flow path, through a flush outlet on an outer surface of the separation device, and into an annulus between the outer surface of the separation device and the wellbore. Optionally, the drilling system includes a second driving mechanism and a second separation device disposed above the second driving mechanism.