Abstract: A self-locking drive, usable in a linear actuator, includes a housing and a drive shaft for outputting a driving force. An endcap is provided at an end portion of the housing. A self-locking mechanism configured to apply a self-locking force to the drive shaft is provided in the endcap. The self-locking mechanism includes a friction seat sleeved over the drive shaft and rotatable synchronously with the drive shaft, and a friction ring mounted in the endcap and secured to the endcap. The friction seat is interference-fitted with the friction ring to enable two-way self-locking to the drive shaft.

Abstract: A tool-operated adjustment device includes a housing supporting a rotatable spool that is operably coupled to a tension line. The spool is configured to rotate about a first axis in a first direction to wind the tension line, and to rotate in a second direction opposite the first direction to unwind the tension line. The device includes a socket pivotally coupled to the housing and configured to rotate about a second axis. The socket is selectively coupled to the spool to drive rotation of the spool in the first direction. The socket is configured to removably connect and disconnect to a tool configured to rotate the socket about the second axis. The device includes a release mechanism that is configured to selectively release the spool such that the spool is free to rotate in either the first or second direction in response to manual forces applied to the release mechanism.

Abstract: Methods and systems are provided for a winch including a motor and a contactor assembly coupled around the motor. In one example, the contactor assembly is coupled around and in face-sharing contact with a portion of an outer surface of the motor. Additionally, the contactor assembly may include two or more coils spaced apart from one another within the contactor assembly.

Abstract: A hoist comprising: an upper hook; a support shaft that includes a hook-side large-diameter portion inserted through an insertion hole of the hook at a center portion, end large-diameter portions at both ends, an intermediate portion between the hook-side large-diameter portion and the end large-diameter portion, and a strain deformation portion that is provided at the intermediate portion; a main frame that includes a pair of support holes and is suspended and supported by the upper hook via the support shaft with the end large-diameter portion on one side inserted in the one support hole and the end large-diameter portion on the other side inserted in the other support hole; and a load measurement means that is attached to the strain deformation portion and measures a shear load acting on the strain deformation portion, wherein at least a portion of the intermediate portion is inserted in the support hole.

Abstract: An apparatus for a crank handle of a landing gear. The crank handle comprising an assembly with a rotating arm, a mounting end, a handle arm, and a handle grip. The handle grip mounted to the handle arm. The handle grip rotatable about the handle arm at a handle end of the crank handle assembly.

Abstract: A vehicle is electrically connected to one or more accessories. The vehicle includes at least one controller that may be configured to identify the accessory based on accessory identification information. The controller may also be configured to provide one or more commands to control an operation of the accessory.

Abstract: A system for positioning equipment comprises a hoist including an electric motor coupled to a pulley for exerting a pulling force upon a tension member that extends to a distal end configured to attach to an elevated structure. The system also comprises a portable power supply including a battery supplying DC power, and an inverter configured to generate and supply AC power to the hoist for driving the electric motor and thereby lifting the hoist toward the elevated structure. A method for pre-positioning a hoist comprises attaching a tension member of a hoist to an elevated structure; generating AC power from a DC source by an inverter of a portable power supply; and lifting the hoist using the portable power supply. Thus, the hoist can be pre-positioned in an elevated location before utility power is available.

Abstract: A device for hanging captured game is provided. The device includes a polymerized device body. The device body includes a front planar surface and a rear planar surface, wherein the rear planar surface is parallel to the front planar surface. The device body further includes a rimless boundary around a perimeter of the polymerized device body and a game hook formed unitarily with the polymerized device body such that a first surface of the game hook is coincident to the front planar surface and a second surface of the game hook is coincident to the rear planar surface. The front planar surface directly transitions to the rimless boundary. The rear planar surface directly transitions to the rimless boundary.

Abstract: A swash-plate-type gearing for adjustment devices includes a housing; an outer part, which has an inner toothing concentric with a joint axis; and an inner part with an outer toothing concentric with an eccentric axis, which runs parallel to the joint axis, offset by an off-centre distance. The gearing also includes an engagement region, in which the outer toothing is engaged with the inner toothing and which is located on a straight line intersecting the joint axis and eccentric axis, in each case at a right angle, with the eccentric axis lying on this straight line between the joint axis and engagement region; and a free space located 180° opposite the engagement region and on the straight line, in which free space the outer toothing is disengaged from and at a distance from the inner toothing. A locking part is provided having a locking region located in the free space.

Abstract: In an integrated structure of a power source of a power winch and an electric control box, the electric control box of the power winch is integrally combined with the top of the power source by a support frame, and an outer cover is provided for axially covering the electric control box and the power source and locked and connected to a front shell wall, so that the electric control box and the power source are completely hidden in the outer cover without any exposure. In other words, the electric control box is combined with the power source by a hidden assembly mode, so that the electric control box can be securely assembled without any risk of being shaken or falling off. In the meantime, the electric control box is hidden in the outer cover, and thus it will not be affected by weather at all.

Abstract: A crawl space winch system including a base plate; a winch box carried by said base plate; a winch mechanism disposed in said winch box and having a cable extending out of an opening in a front side of said winch box for attaching to an item; a winch drive shaft extending through a sidewall of said winch box and being operatively associated with said winch mechanism for retracting said cable; and, a primary anchor opening disposed in a generally central portion of said base plate for receiving a portion of a primary anchor to secure said base plate to the ground, and wherein said primary anchor provides a pivot point around which said base plate rotates.

Abstract: The invention relates to an abseiling device comprising a bidirectionally rotatable guiding arrangement (25) for guiding a pulling means (26); further comprising a braking mechanism (30) that is coupled to the guiding arrangement (25); a driving means (34; 35) can be connected to the guiding arrangement (25) so as to actuate the guiding arrangement (25). In order to create an abseiling device that prevents an individual from being injured or parts of the abseiling device from being damaged during rescue operations in particular of people, a mechanical torque limiter (33) decouples the driving means (34; 35) and the guiding arrangement (25) or the pulling means (26) when the torque exceeds a certain threshold value.

Abstract: A hoisting assembly for lifting a load into an attic or lowering a load therefrom includes a hoist. The hoist comprises a housing, which has a drum or a lift wheel engaged thereto and positioned in an interior space defined thereby. A suspension module is engaged to and extends from an upper end of the housing. The suspension module can selectively engage a beam so that the housing is suspended from and removably engaged to the beam. A lifting medium is operationally engaged to the drum or the lift wheel and extends from a lower end of the housing. A connector is engaged to the lifting medium distal from the housing. The connector can selectively engage a load so that the load is removably engaged to the lifting medium. The hoist thus is configured to lift the load.

Abstract: A lift system mountable in a nacelle of a wind turbine has a boom having a proximal end mountable in the nacelle and a distal end extending over a hub of a rotor of the wind turbine when the lift system is mounted in the nacelle. The lift system has a frame structure for mounting the proximal end of the boom in the nacelle, a winch mounted to the boom, a fastener situated below the boom and operatively connected to the winch by at least one cable, and a trolley movably mounted to the boom to permit translation of the trolley longitudinally along the boom thereby permitting longitudinal movement of the fastener with respect to the boom.

Abstract: The invention concerns a method for feeding an optical cored wire into a molten metal bath and an immersion system and an immersion nozzle to carry out the method. The optical cored wire (6) is decoiled, a feeding and straightening device (4) with a plurality of rollers (20, 21) conducts feeding of the optical cored wire (6) in a feeding direction towards the metal bath (11) as well as a first straightening of the optical cored wire (6), and subsequently a separated further plurality of non-motor driven nozzle straighteners (13) arranged between the feeding and straightening device (4) and the metal bath (11) conducts a second straightening of the optical cored wire (6). Very high precision of temperature measurement can thereby be achieved.

Abstract: A remote controlled lift assembly includes a pair of supports is each mountable to a respective outrigger of scaffolding. A winch unit is positionable on the supports when the supports are mounted on the scaffolding and the winch unit has a cable extending downwardly therefrom. The cable is lowered or lifted when the winch is actuated. A receiver is coupled to the winch unit and the receiver is in electrical communication with the winch unit. A remote control is provided that is carried by a user and the remote control is in wireless electrical communication with the receiver. In this way the user can remotely lift and lower the cable for lifting and lowering cargo.

Abstract: The invention relates to an electric machine (10) and system kits for electric machines (10), in particular for adjusting movable parts in a motor vehicle, comprising a commutator (55) which is arranged on a rotor shaft (20) and which can be connected to a power source in an electrically conductive manner by means of electric brushes (26), said brushes (26) being secured to a brush support component (17) which is directly radially supported on an inner wall (77) of a pole housing (12). The electric machine also of comprises a plug module (16) which has electric conductors (51) for connecting to an outer connection plug (18). The plug module (16) has axial protrusions (82) which engage into corresponding axial recesses (80) in the brush support component (17), wherein the axial protrusions (82) are likewise directly radially supported on the inner wall (77) of the pole housing (12) and not radially on the brush support component (17).

Abstract: A winch boom system and method includes a frame, a shaft supported by the frame, and a winch drum attached to the shaft such that rotation of the shaft about a shaft axis rotates the winch drum. A boom is pivotably coupled to the frame, the boom defining a cavity in which the winch drum is positioned. A winch rope is wound about the winch drum, passing through the cavity of the boom, and extending from the boom at a point distal from the winch drum.

Abstract: An apparatus includes a housing that includes an inner space, an inlet connected to the inner space, and a plurality of outlets connected to the inner space. The housing allows an inner cable of a Bowden cable to pass therethrough such that the inner cable passes through the inlet, the inner space, and any of the plurality of outlets. The apparatus also includes an inner hub rotatably mounted in the inner space of the housing. The inner hub is configured to receive and guide the inner cable passing through the housing such that the inner cable forms a curved path about the inner hub. The apparatus includes a socket configured to receive the Bowden cable. The socket can be coupled to the housing at a plurality of different positions to select any of the plurality outlets such that the inner cable of the Bowden cable passes through the selected outlet.

Abstract: The invention regards to a portable ascender device (1) on a rope (8) comprising an actuation element (2), manual or motor-driven, a nautical winch (5) provided with a self-tailing (52), rotated by the actuation element (2), and at least one first forced passage (9) of the rope (8) in proximity to the winch (5). The first forced passage (9) is arranged upstream of the winch (5) with respect to the rope (8) winding direction. A method for hoisting oneself by means of such device (1) along a vertically stretched rope (8), and two methods for descending along the rope (8) by means of the same device (1), respectively in active mode and in passive mode, are also described.

Abstract: A coupling shaft includes: a boss portion; and a rotation detector mounting shaft portion that protrudes outward from the boss portion away from the motor shaft. An inner circumferential surface of a penetrating aperture disposed on a mounting member is an inclined pressing surface that is inclined relative to a shaft axis of the motor shaft such that an inside diameter of the penetrating aperture increases continuously toward the motor shaft. An inclined bearing surface that is inclined relative to a shaft axis of the coupling shaft is disposed on the boss portion so as to be formed into an annular shape around the shaft axis of the coupling shaft, and such that an outside diameter of the boss portion increases continuously toward the motor shaft. The inclined pressing surface is able to contact the inclined bearing surface by the mounting member being displaced toward the motor shaft.

Abstract: A winch having a brushless DC motor, the brushless DC motor having a fixed, non-rotating shaft and a rotating housing; and a rotating drum mounted to the rotating housing, wherein the rotating housing is fully encased within the rotating drum.

Abstract: The present invention relates to a safety arrangement for a portable power driven system, such as an ascender/descender arrangement, specifically in relation to safety means for minimizing risks with items rotating during the operation of the power driven system.

Abstract: A direct drive drawworks (100) has a permanent magnet motor (40) with a first set of windings (250) and a second set of windings (252), a shaft (41) extending from the permanent magnet motor (40) such that the permanent magnet motor directly rotates the shaft (41), a drum (43) connected to the shaft (41) away from the permanent magnet motor (40) such that the rotation of the shaft (41) causes a corresponding rotation of the drum (43), and a switch cooperative with the first set of windings and the second set of windings so as to cause the sets of windings to be selectively connected in parallel or in series.

Abstract: A variable speed chain hoist has the variable speed control integrated into the housing of the chain hoist and a user control for varying the speed of the hoist that is integrated into the pendant controller. The speed control may include an inverter connected to the motor of the hoist. The user speed control may include a rotary knob or a slider connected to a potentiometer and integrated into the pendant control to vary a voltage signal supplied to the inverter.

Abstract: A battery supervisor system having an integral smart winch controller is provided for a vehicle equipped with an electric winch system and especially for off-road vehicles such as all-terrain-vehicles (ATVs), utility-task-vehicles (UTVs). and extreme-terrain-vehicles (XTVs) which are generally equipped with small batteries. The purpose of this invention is to prevent over discharge of the vehicle battery to a point where it would be difficult or impossible to start the vehicle engine and to prevent damage to the electric winch system, either of which has the potential of stranding an operator in a remote area. The battery supervisor monitors the state-of-charge of the vehicle's battery to automatically control the power to the winch and the vehicle's accessory loads.

Abstract: A wireless remote forms a two-way radiofrequency (RF) communication network with a winch control module that allows the wireless remote to control both the winch and additional vehicle accessories through the winch control module. Further accessory control modules allow the control of more accessories utilizing the wireless remote by way of RF communication. Feedback from either the winch control module or the accessory control module is sent back to the wireless remote to allow the operator to view the current operating conditions of the winch or accessories.

Abstract: The invention provides a winch and method for raising and lowering a boat anchor attached to an anchor rope, comprising: an electric motor (10) operable to turn the winch in a rope raising direction or a rope lowering direction and powered from a power source supplying a supply voltage; and a boost controller (CB1-3,S1-2,K1-6,Kx1-4,25,30) for applying a boosted voltage higher than the supply voltage to the motor (10) so as to increase a turning speed of the motor when the motor is operating in the rope lowering direction.

Abstract: There is described a self-braking motor that comprises a stator, a plurality of permanent magnets and magnetic hysteresis material. The permanent magnets are disposed concentrically between the stator and the magnetic hysteresis material and an air gap is provided between the magnetic hysteresis material and the permanent magnets. The self-braking motor has a first configuration, where the magnetic hysteresis material rotates with the permanent magnets, and a second configuration, where the magnetic hysteresis material is restricted from rotating with the permanent magnets.

Abstract: A winch includes a motor having a motor housing including a motor case and an integrated first drum support attached to the motor case for closing an end of the motor case. A gear reduction unit is drivingly attached to the motor and has a gear housing including a gear case and second drum support attached to the gear case. A tie plate is connected to the first and second drum supports. A control unit is removably mounted to the tie plate. A rotatable drum is supported by the first and second drum supports.

Abstract: Disclosed is a hoist using a friction wheel to maximize horizontal movement of a load to be lifted while preventing a wire from deviating from a winding orbit while being wound on a wire drum, the friction wheel having a simplified configuration and being designed to stably support horizontal and vertical movable guide rollers. The hoist includes a single friction wheel on which a wire at a winding side is wound, a wire drum on which the wire at a drawing side is wound, a driven friction wheel through which the wire is guided from the friction wheel to the wire drum, vertical and horizontal stationary guide rollers and vertical and horizontal movable rollers for guidance of the wire, a movable roller mount to horizontally reciprocate the horizontal and vertical movable guide rollers, and upper and lower sheaves to guide the wire to the friction wheel.

Abstract: An improved line hauler is provided that has a dualler plate located between the two plates of the sheave. The dualler plate creates two V-channels for the line and the line therefore can be directed on a path that results in a hands free line hauler that is slip free. A line coiler is also provided that promotes coiling of the line as it drops to the boat deck.

Abstract: The disclosure provides a multi-functional electric winch that includes an electric motor, a winch and functional units. A first connection member is mounted to each functional unit and a second connection member is mounted to an end of electric motor. The first connection member has connection openings sequentially arranged in a circumferential direction of an input shaft of the functional unit, while the second connection member has projections that are able to be inserted into the connection openings and engaged therein by screwing. The connection openings includes first portions for the projections to be inserted, and second portions for seating and limiting the projections in axial and circumferential direction, wherein the first portions communicate with the second portions. The input shaft of each functional unit is provided with a hole, to which a rotatable shaft of the electric motor is connectable and which has a cross section of polygon.

Abstract: A direct drive drawworks (100) has a permanent magnet motor (40) with a first set of windings (250) and a second set of windings (252), a shaft (41) extending from the permanent magnet motor (40) such that the permanent magnet motor directly rotates the shaft (41), a drum (43) connected to the shaft (41) away from the permanent magnet motor (40) such that the rotation of the shaft (41) causes a corresponding rotation of the drum (43), and a switch cooperative with the first set of windings and the second set of windings so as to cause the sets of windings to be selectively connected in parallel or in series.

Abstract: A tensioning device for a winch assembly includes a pair of wheels operatively connected to a winch assembly and is configured to grippingly receive a cable extending therebetween from a rotatably movable drum configured to extend/retract the cable with respect to the winch assembly. The pair of wheels continuously maintains a predetermined tension to the cable extending between the pair of wheels and the drum during operation of the winch assembly.

Abstract: An assembly for lifting and storing an ice house or other item is herein disclosed. The assembly comprises a base and a plurality of horizontal brace members rigidly connected to one another. The assembly further comprises an electric winch mounted to the base and a plurality of rollers and pulleys. The rollers are rotatably attached to the base and the pulleys are connected to the horizontal brace members. The assembly includes at least one cable that is routed from the electric winch, past the roller and over the pulley. The cable is attached to the ice house. The ice house is lifted and suspended from a ceiling or an assembly of overhead beams via the electric winch.

Abstract: A portable winch assembly includes a winch mechanism connected to a support structure adapted to be manually transportable. A battery pack is releasably coupled to a remote control unit. The remote control unit is operated to control the winch mechanism. The battery pack and the remote control unit can be electrically connected to the winch mechanism by a flexible power cable, or the battery pack can be mounted with the winch mechanism and a wireless remote control unit can be used to operate the winch mechanism.

Abstract: A drive system for use with a cable and a carrier for raising and lowering a payload includes a reel, a drive mechanism, a cable slack control mechanism, and a tension adjustment system. The drive member is operatively connected to the reel to rotate the reel in a winding direction when the drive member is rotated in a raising direction, and to controllably rotate the reel and/or permit the reel to rotate in an unwinding direction when the drive member is rotated in a lowering direction. The cable slack control mechanism is operative to automatically selectively decouple the drive member from the reel while the drive motor is rotating the drive member in the lowering direction when a tension on the cable does not exceed a threshold tension and/or the cable is fully unwound from the reel. The tension adjustment system is operable to selectively adjust the threshold tension.

Abstract: A gambrel device includes a gambrel frame of a generally tri-angular shaped plate construction of steel or similar strength material that includes a top apex, oppositely disposed base apexes and a substantially flat back surface. A winch is mounted to a front surface of the gambrel frame and includes an electric motor and a winch drum operatively connected to the electric motor for driving the winch drum. A rigging cable extends from the winch drum and is threaded through an eyelet disposed at the top apex of the gambrel frame. The rigging cable may be secured to an existing structure and the winch is operated to hoist and suspend the gambrel frame from the structure. Further, the gambrel device may be utilized as a skid to relocate an animal by dragging the animal across a ground surface.

Abstract: A portable strap hoist comprises a generally rectangular frame. An upper hook is mounted at a top of the frame for mounting the frame to a structure, in use. A drum includes an insulated strap wound about the drum supporting a lower hook for supporting a load, in use. A spline shaft is operatively associated with the drum to rotatably mount the drum to the frame. A driven gear is mounted to the shaft. A portable housing is mounted to the frame and includes a handle and a drive in the portable housing including a drive gear operatively engaging the driven gear.

Abstract: A compact capstan includes a drum, a coupled hub, a passage extending through the drum and hub, and a shaft extending through the drum and hub. The shaft engages the passage such that the shaft can transmit a torsional force to the drum and the hub which are free to move along the length of the shaft. The drum includes a spiral groove to receive a cable loop wound around the drum. The hub has a thread with substantially the same pitch as the spiral groove to engage a threaded support such that the hub and the drum move laterally along their length relative to the threaded support as the hub and the drum are rotated. The shaft has a length that is substantially greater than the passage such that the shaft extends beyond both ends of the passage.

Abstract: A winch assembly includes a base and a housing operatively connected to the base. The housing includes a rotatably movable drum configured to extend/retract cable with respect to the housing at a zero fleet angle, a motor for rotatably moving the drum and a controller for controlling the motor. At least one of the base and the housing includes a rotation device permitting independent rotational movement between the base and the housing about at least two axes.

Abstract: An electric capstan that is able to easily and accessibly connect external functional models and accomplish multiple functions with good reliability. This electric capstan includes a motor, a reduction gear and a winching roller, and further includes an engagement-disengagement gear and functional module, wherein the input end of the engagement-disengagement gear is connected to the output shaft of the motor and the output end of the engagement-disengagement gear is connected to the input end of the functional module.

Abstract: A concrete sidewalk section raising apparatus is provided for pivoti-lifting one side thereof to permit leveling of the ground beneath without the necessity of destroying the concrete section, and to permit it to be lowered intact once the underlying ground is properly leveled. An A-frame support stand supports a motorized winch and cable to raise one side to about 45° from the vertical.

Abstract: A device for raising and lowering a hinged sports post or goal post is provided. The device includes a frame with a ground engaging member and an upwardly extending post. Wheels are connected to a medial portion of the frame, and the wheels are adapted to be out of ground contact when the ground engaging member is in an operating position. A winch it is connected on an opposite end of the frame from the ground engaging member. A controller is connected to the winch and is operable by a user in order to raise or lower the hinged post that is connected to the winch cable.

Abstract: An apparatus (10) for remotely running a subsea production tree (12) and desuspending a well is described. The apparatus comprises a tree running tool (16) adapted to be connected to a production tree, at least one downhole tool, at least one of the tools being a plug retrieval tool (22) and a tool deployment device (18) in hydraulic communication with at least the plug retrieval tool to hydraulically operate the plug retrieval tool.

Abstract: A direct drive drawworks has a permanent magnet motor with a first set of windings and a second set of windings, a shaft extending from the permanent magnet motor such that the permanent magnet motor directly rotates the shaft, a drum connected to the shaft away from the permanent magnet motor such that the rotation of the shaft causes a corresponding rotation of the drum, and a switch cooperative with the first set of windings and the second set of windings so as to cause the sets of windings to be selectively connected in parallel or in series.

Abstract: The inventive concept involves a tree mounted hoist that can be attached to a tree at any desired height. The tree hoist consists of a support platform that has an electric motor therein. The other direction of the support platform has a plate that has serrated teeth thereon that will dig into a tree when forced thereat. The support platform has an upstanding frame thereon and the ends of the upstanding frame each have a locking sleeve thereon. The locking sleeve each receive the end of a flexible cable that surrounds the tree and when tightened around the tree stabilizes the support platform on the tree. The support platform has a forward extension thereon that has a cable pulley at its forward ends over which a hoist cable is trained which hoist cable connects to a winch which is operated by the motor. The electric motor is a 12 Volt vehicle starter motor which can be operated by a remote switch.

Abstract: A manipulator for a load has a stand, an accommodation connected to the stand (2, 8) for the load, wherein the accommodation allows movement of the load with respect to the stand with respect to at least a first axis, a drive having a rope pull or a chain or belt drive which supports the movement of the load along the first axis, and an elasticity means acting along the first axis. The elasticity means has a frame translationally displaceable along the first axis with respect to the stand and elastically retained which supports a guiding element of the drive.

Abstract: A portable mechanical lifting and lowering device for mounting in or on a host vehicle with various lifting and lowering configurations that enable the user to lift, lower, move and operate items, equipment and farm style implements using hydraulic, electrical, or other mechanical means of power, including but not limited to a lifting mechanism that mimic's the lifting ability of a farm tractor style three point hitch configuration by attaching to the trailer hitch receiver port of a host vehicle and being operated with an implement attached; and a mechanism that can lift or lower items into the earth, or other surface, in a straight or twisting fashion; and a trailer hitch attachment for a trailer hitch ball that can be easily lifted and lowered; and a crane style mechanism that can lift, lower or move items, all incorporated in this one device.