Abstract: A retention system is provided for use in connecting a shroud to a work tool. The retention system may have a mounting boss with a base portion, a shelf portion that overhangs opposing sides of the base portion, and a tapered depression formed within the base portion. The retention system may also have a replaceable lug insert removably disposed within the tapered depression.

Abstract: A retention system is provided for use with a ground engaging tool. The tool retention system may have a spool with an elongated channel, and a collar dividing the elongated channel into a first portion and a second portion. The tool retention system may also have a fastener disposed within the elongated channel and passing through the collar. The fastener may have a head located within the first portion and a threaded shank located within the second portion. The tool retention system may further have a resilient member disposed between the head of the fastener and the collar, and a slider threadingly engaged with the threaded shank and configured to slide within the second portion of the elongated channel as the fastener is rotated.

Abstract: Plumbing outlet boxes, such as for connecting washing machines, ice makers, and other plumbed appliances to plumbing systems, are provided that can be attached to each other in an assembly via a bracket. The plumbing outlet boxes may include one or more connectors. The assembly may further include a bracket having a plurality of engaging portions for engaging the connectors of the plumbing outlet boxes. The bracket may engage the plumbing outlet boxes to each other and/or to a stud within a wall.

Abstract: A widespread faucet assembly may include one or more valve assemblies and a delivery spout. The anchors for the valve assemblies and delivery spout may be positioned within a mounting deck, and the valve assemblies and the delivery spout are releasably connected to the respective anchors to minimize installation tasks below the mounting deck.

Abstract: A drain stopper assembly for a bathtub having a drain aperture, and a method for using the assembly. A guide rod may be slid within a guide slide, allowing a gasket to be sealed or unsealed against the drain aperture. Magnets or, alternatively, a spring-loaded mechanism, may be used to facilitate sealing/unsealing of the gasket. A filter may be mounted within the drain aperture, and be removably or permanently attached to the assembly.

Abstract: A flush toilet includes: a bowl portion having a waste-receiving surface, a rim and a recess; a rim spout portion configured to spout flush water to form a swirl flow which swirlingly flows along the inner peripheral surface; a drainage conduit having an inlet connecting with the recess to discharge waste therethrough, wherein the waste-receiving surface of the bowl portion is composed of a left waste-receiving sub-surface and a right waste-receiving sub-surface defined, respectively, on both sided of a center line with respect to a lateral direction of the bowl portion, the left waste-receiving sub-surface and the right waste-receiving sub-surface are formed, respectively, in different shapes in a front region of the bowl portion so as to allow flush water spouted from the rim spout portion to form a major stream which flows from a front end of the bowl portion into the recess.

Abstract: A decking system comprises a ledger board for mounting on an upright supporting surface, a beam, a plurality of joists for spanning between the ledger board and the beam, and a plurality of deck boards for spanning across the joists in which all of the components can be mounted to one another by interlocking engagement of various connectors so that no additional fasteners are required for assembly. The components are formed of extruded and molded materials which do not require any maintenance. A railing system and a stair system are also provided which similarly connect by interlocking engagement of the components.

Abstract: The invention relates to a metallic frame structure of a container-like, modular and mobile housing, an assembly kit for such a housing, a container-like, modular and mobile housing, as well as a hollow profile for such a housing. The hollow profile which is designed as a floor main profile (1), roof main profile (2) and/or support profile (3) for the metallic frame structure, has a longitudinal structure (71, 72, . . . ) extending along the longitudinal direction of the profile and originating from an outer profile surface. The longitudinal structure is formed as a longitudinal elevation or longitudinal groove and has a width at its attachment to the profile outer surface of less than 20, 15 or 10 millimeters in the direction transverse to the longitudinal direction of the profile.

Abstract: A modular wall assembly includes a frame assembly that includes at least one vertical frame member and at least one horizontal frame member, wherein the frame assembly is configured to define a door opening, a door member slidably operable between a closed position, wherein the door member is at least partially located within the door opening, and an open position, wherein the door member is at least partially removed from with the door opening to allow ingress and egress through the door opening, and a support assembly that includes a sliding support member that slidably supports the door member between the open and closed positions, and at least one mounting arrangement coupling the sliding support member, wherein the at least one mounting arrangement allows vertical adjustment of the sliding support member with respect to the frame assembly.

Abstract: Construction method for producing beam and slab made of compound concrete containing demolished concrete blocks, comprises that a conventional profiled rebars are made to upper and lower L-shaped stirrups, wherein lower profiled rebar mesh are fixed up firstly, in which coarsely-crushed concrete blocks or segments are placed, then upper profiled rebar mesh are assembled on it together to form a rebar cage, and fresh concrete is poured into the mould fully. A connection portion between the upper and lower L-shaped stirrups is located around ? heights of the lower L-shaped stirrup. A cold rolled rebar mesh is applied to a top rebar mesh of slab; when the bottom rebars of the slab are assembled, coarsely-crushed concrete blocks will be dosed, then the cold rolled rebar mesh will be lifted above the coarsely-crushed concrete blocks for mounting. Finally, fresh concrete is poured into the rebar cage for producing abeam and a space between top rebar mesh and bottom rebars for producing a slab.

Abstract: Embodiments include controlled flow rood drains which minimize the size of drainage piping and meet established maximum flow rates by draining built-up water from a flat roof. Embodiments are pre-set by the manufacture in terms of the diameter of the standpipe orifice, which controls maximum flow rate at a predetermined depth of water on the roof, and the height of the standpipe, which determines the depth of water on the roof. Embodiments resist alteration of the flow rate by vandals, tenants, or managers of the building, and are resistant to flow which bypasses the drain control and resistant to plugging by roof debris or snow.

Abstract: A self propelled blower cleans debris from a gutter and has a housing with rear inlet and front outlet, an electrically powered air mover for moving air into the inlet and blowing it out of the outlet, a guide track laying along a channel of the gutter, an electrically powered housing mover engaged to the track for moving the housing along the guide track and a power circuit electrically connected to the air and housing movers for powering them at the same time to blow air forwardly along the gutter as the housing moves forwardly along the gutter.

Abstract: This disclosure provides a roofing, cladding or siding product which is light weight, easy to install, durable and resistant to environmental wear. One embodiment relates to a module that can be used to form a weatherproof covering over top of a building surface. Another embodiment is a module which can, in additional to forming a weatherproof covering, be used as part of a thermal energy recovery or removal system. Yet another embodiment is a module which can, in addition to forming a weatherproof covering, and optionally in addition to being useful as part of a thermal energy recovery system, bears an array of solar cells to generate electrical energy. Assemblies, systems, uses, and methods of manufacture are also described.

Abstract: There is provided a decorative panel comprising: a backing layer having a back face for abutting a panel-receiving surface and a front face opposite to the back face; a relief decorative layer attached to the front face of the backing layer and comprising: a layer of a base polymer attached to the front face of the backing layer and substantially covering the front face of the backing layer; and a relief element made of a layer of an overlay polymer attached to the layer of base polymer and covering a portion thereof.

Abstract: An improved panel system and installation process for maintaining panel contact on all four edges of its perimeter, while simultaneously maintaining full planar bearing suspension of the panel weight. A plurality of moldings are provided in varying combinations, and in particular for engaging each of the installed panels upon its outside edge corners, as opposed to by the panel ends, in order to provide engagement through a compressive force which does not pull the panel apart, rather acts to keep the panel together while under stress.

Abstract: The invention relates to a set of panels (1, 2), in particular floor panels, comprising a first panel (1) and at least one second panel (2), wherein—the panels (1, 2) are respectively provided with a first edge (10) and with a second edge (30);—the first edge (10) and the second edge (30) are configured to establish a connection between the first and the second panels (1, 2);—the first edge (10) comprises a lower lip (11) with a step (12);—the second edge (30) comprises a downwardly open locking groove (31), which in a connected state of the panels (1, 2), or of the edges (10, 30), cooperates with the step (12) and ensures a lock in a horizontal direction;—the connection can be established by a vertical relative movement of the panels (1, 2) with respect to each other; a separate clip (50) is provided which is disposed on the first edge (10) and comprises—a movable clip head (53), which, in a locking position, in the connected state of the panels (1, 2), cooperates with a blocking surface (33) on the second e

Abstract: An arrangement for forming a floor covering (1), wall covering or ceiling covering having a substructure (2) and at least one covering element (4) fastened to the substructure (2) by at least one latching connection (3), the latching connection (3) being configured as a nondestructively detachable and re-connectable latching connection (3) in order to take the covering element (4) off the substructure (3) and subsequently re-fasten the covering element (4) to the substructure (2).

Abstract: A support for installing facing materials such as ceramic tiles on a substrate such as floors, walls and ceilings wherein the support plate has a plurality of spaced apart recesses in the plate material, with the recesses being open at the top surface and have solid sidewalls and a base, and a plurality of slots in the non-recessed portions of the plate material extending through the top surface and bottom surface, the slots joining one or more adjacent recesses. The support plate of the invention is used for tile installations between the substrate and such tile. Thin-set mortar that is used to secure the tile to the support plate flows into the recesses and into the slots forming a continuous bond between the mortar and the adjacent slots providing for a strong bond between the support plate, mortar and the tiles.

Abstract: An apparatus for removing carpet including: a base; a hoist engaged with the base; a resilient line with first and second ends, wherein the first end is engaged with the hoist; a carpet gripping means removably engaged with the second end of the resilient line; and at least one friction surface engaged with a bottom of the base for holding the base in position. Further, a method for removing carpet comprising: the apparatus for removing carpet; moving the apparatus into position; engaging carpet to be removed with the carpet gripping means; and utilizing the hoist and resilient line to pull the carpet gripping means in order to remove the carpet.

Abstract: A portable toilet that includes a top section, a bottom section, a side wall, and a door system. The top section includes a top wall slot. The bottom section includes a bottom wall slot. The side wall includes a top edge that is removably insertable into the top wall slot. The side wall includes a bottom edge of that is removably insertable into the bottom wall slot. The door system includes a door frame and at least one door. The door frame includes first and second wall side slots. A first side of the side wall is removably insertable into the first wall side slot, and a second side of the side wall is removably insertable into the second wall side slot.

Abstract: A foldable, portable fabric children's wading pool for installation in the ground and which has improved stability characteristics is provided. The pool includes a waterproof fabric base, a middle stabilizer section with a foam stiffening strip, and a sand anchor section with sleeves for holding a weighting material such as sand. The pool is set up by digging a hole in the ground and forming berms along the edges of the hole. Then, the pool is unfolded and positioned such that the waterproof fabric base is in the hole, the middle stabilizer section is on the top of the sand berm, and the sand anchor section extends downwardly and outwardly from the edge of the sand berm. Then, a weighting material is loaded into the sand anchor section and the pool is filled with water, preferably using the waterproof bag that also serves as a storage and transport bag for the pool when folded.

Abstract: A device and method is provided for removing water that has accumulated on a swimming pool cover in the form of a directed stream or spray from a swimming pool cover pump having an integral water ejection spout. The water ejection spout has tubing extending from the pump housing, and a nozzle coupled to the tubing for expelling the pumped water. The water ejection spout is configured to discharge the pumped water in a directed stream or spray upwardly, outwardly and away from the swimming pool cover pump and thus the swimming pool cover. In one form, the swimming pool cover pump with integral water ejection spout includes another water outlet configured to receive a garden hose. Piping and a valve allows user selection of the desired water outlet—namely, either the water ejection spout or the garden hose water outlet.

Abstract: A system for constructing multi-story building is disclosed. The system can include a plurality of vertical beams and a base beam section. The base beam section can be supported horizontally between the plurality of vertical column members and can include a composite shear connector attached thereto. The framing system can further include a plurality of concrete plank sections spanning perpendicularly to, and supported by, either side of the base beam. The plurality of concrete plank sections can be assembled in pairs. The framing system can also include grout material applied to the composite shear connector and the concrete plank sections to fill the cavities of the assembly to provide an integral framing system. A method for assembling such a system is also disclosed.

Abstract: An anchoring system to secure a mounting plate at a base of a pole or column to a concrete foundation includes a plurality of base plates. Each base plate has a planar surface, center-point, and plurality of fastener openings spaced about the center-point. A plurality of concrete anchoring fasteners having a common cross-sectional diameter secures each base plate to the foundation. An attachment bolt at the center-point of each base plate extends perpendicular to the planar surface for securing through an attachment bolt opening inside a peripheral edge of the mounting plate. The anchoring fasteners for securing the base plates to the foundation are spaced apart no less than ten times the common cross-sectional diameter.

Abstract: A collapsible picnic table canopy device removably attaches a canopy to an existing picnic table. The device includes a pair of support posts each having a top end and a bottom end. A frame is coupled and extends between the support posts. The frame is selectively expandable and collapsible. A canopy is coupled to the frame such that the canopy covers the frame. Each of a pair of clamps is positioned at the bottom end of a respective one of the support posts wherein the support posts are configured for being coupled to a picnic table such that the canopy is supported over the picnic table.

Abstract: Disclosed herein is a fence post system. The system is comprised of a U-shaped-post system having L-shaped-bracket openings which are punched thereon, which also have an anti-warping-rib system, and an anti-torsion-rib system. Further, there are left-and-right-bracket systems molded to both sides of the fence post, which have upper-and-lower-flange systems molded to both ends. Additionally there are L-shaped bracket systems inserted into the L-shaped-bracket openings respectively, with a strut system which is seated on the U-shaped-post system. There may further be a board system screwed to the strut system.

Abstract: The present invention relates in general to grasping accessories for utility tractors, particularly, for hydraulically-operated front end loader attachments for skid loaders. The purpose of the invention is to provide a multi-purpose accessory that protects an operator from loose debris while allowing the operator to remain in the tractor cab while grasping, pulling, and/or lifting bulky objects that would normally require the operator to step away from the cab or request the assistance of one or more persons. Such objects may include planted trees, bushes, or posts that require removal from the soil and transportation for disposal.

Abstract: An electromechanical latch is described herein. The electromechanical latch is a dual-actuator latch, wherein a first actuator and a second actuator are driven with precise timing to move a first latch part relative to a second latch part, and vice versa. When the electromechanical latch is in a closed position, the first rotary latch part is positioned to prevent rotation of the second rotary latch part in a first direction. To transition the electromechanical latch from the closed position to an open position, the first actuator drives the first rotary latch part such that the second rotary latch part is able to rotate in the first direction. Thereafter, the second actuator drives the second rotary latch part in the first direction until the electromechanical latch is in the open position.

Abstract: An anti-theft device (1) comprising a ring (2), means (4) to lock (4) the ring in the closed position, and anti-theft detection means (3), wherein the ring comprises a body (20) that has a first end (21) near which the locking means are associated, a second opposite free end (22) designed to be introduced in the locking means, and at least one circular part (23) extending from the second end (22) and designed to cooperate with said locking means, characterized in that the body of the ring comprises a linear part (24) that is arranged to extend from the circular part (23) opposite the second end (22). The linear part provides complementary elasticity to the device which contributes to the ejection of the second end of the ring outside the locking means.

Abstract: A door latch system for doors of motor vehicles includes an input device such as a keypad and a backup electrical power supply to unlock the door latch in the event the primary power supply fails, thereby eliminating the need for a lock cylinder. The door latch system is configured to supply electrical power from the primary electrical power supply to unlock the latch upon receiving a signal from a mobile phone, and to supply electrical power from the backup electrical power supply to unlock the latch if an authorized code is input via the keypad.

Abstract: A vehicle door latch device which comprises a body having a holding portion, an engagement member pivotally mounted in the holding portion, a cover member closing an opening of the holding portion, and a shaft comprising a shank which passes through a bearing hole of the body and a shank hole of the engagement member, a retaining head and a smaller-diameter shank. The shank passes through the shank hole of the engagement member and the smaller-diameter shank is pressingly fitted in the shank hole of the cover member without swaging the end of the smaller-diameter shank thereby assembling the vehicle door latch device more efficiently.

Abstract: An outside handle of a door of a vehicle that opens a latch, including a rotatable flap that sits flush against an outer panel of the vehicle in a closed position and that provides an opening to an interior of the handle in an open position, and a rotating lever behind the outer panel, movement of the lever opening the latch of the door. The handle is arranged such that the flap rotates to the open position when the door is unlocked and rotates to the closed position when the door is locked.

Abstract: A lock system for a door comprises one or more elongated members adapted to translate axially in a door to be moved in and out of engagement into a lock catch of a door frame. A lock mechanism is received in a mortise of the door and having a handle actuatable to displace at least one driver in translation. A depth adjustment adaptor comprises a interface connected to the elongated member, with or without a joint with at least one degree of freedom connecting the interface to the driver to adjust a depth of the interface relative to the driver and to a lateral surface of the door to actuate the axial translation of the elongated member by movement of the driver.

Abstract: A security entry door device for preventing force forward motion entry through and exterior door of a structure. The door security device includes a steel security pole removably anchored to the floor and slidably secured within a retainment bracket anchored to the structural wall header above the door opening. A parallel door engagement push bar adjustably extends against the pole brace to engage the door vertically along its length, securing the door and preventing unauthorized access to the structure by impeding, dissipating, and transferring forward motion force.

Abstract: A corner fitting for disposing a door element on a center of rotation or an axis includes first and second fitting elements-, which, at least sectionwise, each include a locating portion for the abutment against the door element and are interconnectable while restraining the door element. A restraining area forms between the two fitting elements, into which the door element is insertable, and the fitting elements are formed such that a holding element is disposed between the two fitting elements. The holding element is displaceable in relation to the fitting elements and is at least partially rotatable about the center of rotation or the axis. The holding element is in operative connection with a connecting element, which serves for supporting the door element on the center of rotation or the axis.

Abstract: A hinge device includes a housing comprising two half-housings, a first extending module comprising two half-members disposed in the housing, a second extending module comprising two half sliding members and disposed on an outer side of the first extending module, a sliding device disposed between the first extending module and the second extending module, an elastic member disposed between the two half housings, and a stop sheet disposed between the half-housings and having one end facing a bottom of the second extending module.

Abstract: A rolling door operator comprises a rotary shaft, a centrifugal brake mechanism, and a unidirectional centrifugal mechanism, in which a latching tooth and plurality of slots are disposed around one end of the rotary shaft, and the unidirectional centrifugal mechanism includes an active pin with an axial latching face and a sliding face, the axial latching face being engaged with one of slots to latch the rotary shaft together only in the falling direction of a door curtain, and the sliding face having a bevel adjacent to the latching face to contact slidingly over the slots, so that the door curtain can be lifted up immediately in another direction, and without affecting normal opening function of the door curtain.

Abstract: The present invention regards a casement window, and more in particular it is directed to a casement window with controlled opening and the possibility of locking the hung sash in open position, to prevent the inadvertent return of the hung sash.

Abstract: An obstacle detection system of a vehicle includes a first group of transceivers mounted on the first closure structure and a second group of transceivers mounted on the second closure structure. A controller is configured to, during the first mode, command the first group of transceivers to generate a first signal, command, upon receiving the first signal, the second group of transceivers to generate a second signal to be received by the first group of transceivers, and determine a presence or absence of an obstacle based on the second signal. The controller is configured to, during the second mode, command the first group of transceivers to generate a third signal such that the third signal is reflected off the second closure structure as a fourth signal to be received by the first group of transceivers, and determine the presence or absence of the obstacle based on the fourth signal.

Abstract: An assembly for opening/closing doors including at least a first wing, a second wing and a mechanism adapted to move the wings from a closing position wherein they lie in a vertical plane, to an opening position wherein they are arranged facing each other and lying onto parallel and substantially horizontal planes, and vice versa. The passage from the closing position to the opening position and vice versa occurs through a synchronized and simultaneous rotary-translating motion of the wings. The mechanism includes first and second kinematic arrangements respectively adapted to move the first and second wings, the kinematic arrangements being separate and distinct, kinematically connected through a mechanism for synchronizing and changing the transmission ratio to impart a differential trajectory to the synchronized motion of the first wing with respect to the second wing during closing and opening.

Abstract: A door mount includes a jamb mounted to an end of a wall, a bracket, an upper hinge and a lower hinge. The bracket includes an upper flange that extends in a direction away from the jamb, an elongated member mounted to the jamb and a lower flange that extends in the direction away from the jamb and is spaced apart from the upper flange by the elongated member. The upper hinge couples the upper flange of the bracket to the door. The lower hinge couples the lower flange of the bracket to the door.

Abstract: Provided herein is a slide window for a vehicle with which a slide panel can be smoothly moved to easily open and close an opening part without directly manipulating a slide panel 18. A movable body 36 that is moved by being driven by a drive unit 40 is provided, and the slide panel 18 is connected to the movable body 36 via a connection member 48. The slide panel 18 moves with the movement of the movable body 36 driven by the drive unit 40, whereby the opening part 14 is automatically opened and closed. The movable body 36 is guided by the guide sleeve 38, and moves along the slide panel 18. The guide sleeve 38 is positioned and mounted to the resin frame body 16 via guide sleeve brackets 42 provided on a resin frame body 16.

Abstract: A door barricade includes a base member and a securing mechanism. The base member has a size that permits it to be positioned under a door, with a first upwardly extending portion positioned on the base member and a second upwardly extending portion positioned on the base member. The first and second upwardly extending portions are spaced a distance from one another that is greater than or equal to a width of a door. The securing mechanism is coupled to the base member for mating with a floor. The base member and the securing member together serve to barricade a door such that the door will not move even upon the application of significant force when the securing mechanism is fixedly coupled to a floor.

Abstract: A fire door stop system for retrofitting a fire door assembly so as to bring the assembly into compliance with fire safety codes. The fire door stop system has a profile strip includes at least one flange and intumescent seal that is attachable to a fire door frame. The fire door stop system further includes, as needed, edge protectors for a wood fire door, such as a horizontal edge protector, a vertical edge protector, and a bottom-edge extender, and a latch protector.

Abstract: A window screen installation system is disclosed that includes a screen frame configured in a generally rectangular configuration from a plurality of screen frame extrusions. A plurality of trim molds are included that are configured to snap into place over the screen frame extrusion. When respective ends of the trim molds are positioned adjacent one another they form a plurality of generally rectangular shaped openings. A plurality of plinths are configured to be positioned in each of the plurality of openings configured to further secure the trim molds to the screen frame extrusions.

Abstract: A hinge for a swinging gate includes a base plate, a hinge base pivotally secured to the base plate and a mounting member connected in spaced apart relation to the hinge base by an elongate bolt. A gate-engaging member is secured to the mounting member so that pivoting of the hinge base effects conjoint pivoting of the mounting member, the gate-engaging member and a gate that it engages. An upstanding post has a pair of laterally spaced apart T-shaped slots that extend along its height. A bolt disposed within a T-shaped slot is disposed horizontally and cannot rotate. The bolts housed in a T-shaped slot screw-threadedly engage apertures formed in the corners of the base plate to secure the base plate to the upstanding post. In a second embodiment, a cantilever gate supported by a trolley assembly is secured in cantilever relation to at least one upstanding post.

Abstract: A tool caddy assembly to be removably positioned over the top of a folding ladder including a housing having a bottom surface to hold items while the ladder is being used and a bracket to mount the caddy assembly to the ladder. An outer support wall of the bracket extends downwardly sufficiently adjacent the top rung of the ladder to prevent a user from unsafely standing on the top rung of the ladder. A plurality of accessory holders are removably mounted on the top edge of the walls of the housing and/or the bracket.

Abstract: An apparatus and method comprise a hydrodynamic bearing disposed about a shaft and within a bore of a wall with at least one periphery arced wall radially extending from and arranged about the circumference of an outer wall of a conduit shaft housing, which is disposed about at least one inner wall that is adjacent to at least one associated hydrodynamic profiled wall. The associated hydrodynamic profiled wall is rotatable by or about said shaft to displace fluid axially along said at least one inner wall, which is anchored by combined frictional engagements within the bore to force fluid between at least two of said walls and the rotating shaft to form a pressurized cushion. In use, this pressurized cushion lubricates and dampens rotational shocks and vibrations with the shearing of said frictional engagements when bearing said rotating shaft within said subterranean bore.

Abstract: The mining vehicle has a carriage, driving equipment for moving the carriage, at least one mining work device, an electric motor for supplying power to the mining work device, a connection for supplying electric power to the electric motor from an electrical network of the mine, and an energy source. The electric motor has at least a primary stator winding and a secondary stator winding galvanically isolated from each other. When the mining vehicle is connected to the electrical network of the mine via the primary stator winding, the electric motor is arranged, at least for a period of time, to supply power to the at least one mining work device and, at least for a period of the time, to supply power via the secondary stator winding for charging the energy source. A method for energy supply of a mining vehicle is also provided.

Abstract: A mechanism for adjusting the relative angular orientation between two coaxial components includes a housing, a mandrel disposed in the housing, a lower ratchet member disposed around the mandrel, wherein a lower engagement interface between the lower ratchet member and the mandrel restricts relative rotation between the lower ratchet member and the mandrel, an upper ratchet member disposed around the mandrel, wherein an upper engagement interface between the upper ratchet member and the mandrel restricts relative rotation between the upper ratchet member and the mandrel, and a central sleeve disposed around the mandrel, wherein an outer engagement interface between the central sleeve and the housing restricts relative rotation between the central sleeve and the housing, wherein the central sleeve has an upper position configured to transmit torque between the upper ratchet member and the housing and a lower position configured to transfer torque between the lower ratchet member and housing.