Abstract: A ratchet strap tensioning mechanism includes a barrel defining an axis of rotation and a body and a handle coupled via the barrel. Each of the body, handle and barrel is independently rotatable about the axis of rotation. At least one ratchet gear wheel is mounted to the barrel at a position between a portion of the body and the handle. A driver rotatably drives the at least one ratchet gear wheel about the axis of rotation and a pawl restricts rotation of the at last one ratchet gear wheel about the axis of rotation. A force indicating device is connected to at least one of the body and the handle. The force indicating device is operable to indicate to a user when a predetermined force is applied to the ratchet strap tensioning mechanism.

Abstract: A load-strapping device including at least two frame parts connected by a pivotable joint, where one frame part is attacked to a strap, where the joint between the pivotable parts is provided with a spindle extending between parallel flanges of the frame parts, the pivotable joint between the pivotable parts provided at opposite ends of the spindle with a pawl-and-ratchet mechanism which provides one-way rotation of the spindle when the pivotable basic parts are pivoted repeatedly in opposing directions, characterized in that the spindle is provided with two recesses arranged at respective different oblique angles relative to the rotation axis of the spindle and that the recesses are mutually spaced, and in opposite orientations.

Abstract: A dynamic tension system connects to an orthopedic device having a frame and a hinge connected to the frame. The dynamic tension system includes a cable, an adjustment mechanism connected to the cable and arranged to incrementally wind or release the cable, and a tension control device connected to the adjustment mechanism and arranged to limit the adjustment mechanism from winding of the cable past a predetermined tension level.

Abstract: A method and system are described for tensioning structural strands 1 of a tendon in a duct. Each strand 1 is fitted with its own load cell 22, so that the individual tension values in each individual strand 1 can be measured during the tensioning of the strands 1. The load cells 22 may be removed after tensioning, or left in situ to enable ongoing monitoring of the tension in the strands 1. The load cells 22 may be calibrated simultaneously by tensioning the strands 1 to an equal tension using individual jacks 10, then normalizing the signals from each load cell 22 to the known equal tension value. A further calibration to a global strand load measurement may also be performed.

Abstract: A drive device for a belt axis of a winch, to address the problems existing in the conventional drive device for the belt axis of the winch including a short service life and a high cost. The drive device is disposed at the end of the belt axis of the winch. The drive device comprises a stationary seat and a rotary cylinder. The rotary cylinder is provided with a socket for inserting a crowbar. The stationary seat is fixedly connected with the belt axis. The rotary cylinder is axially fixed to the stationary seat. A unidirectional mechanism is provided between the rotary cylinder and the belt axis and operates by means of the engagement of teeth of the ratchet wheel. The belt axis is brought into continuous one-way rotation by using the unidirectional mechanism while the rotary cylinder is turned back and forth.

Abstract: A manual marine winch includes a safety knockout override preventing release of winch tension without the handle in stowed position. The winch includes a housing; a rotating drum on the housing; a winch line on the drum; a control for spooling and un-spooling the winch line on the drum, wherein the control includes a handle for selectively tensioning the drum and moveable between a position engaged with the drum and a disengaged stowed position; a tension holding mechanism on the housing comprising a ratchet gear coupled to the drum, a pawl selectively engaged with the ratchet gear, and a knockout configures to selectively disengage the pawl from the gear to allow for release of winch tension; and a safety knockout override coupled to the housing and selectively engaged by the handle and configured to prevent release of winch tension when the handle is not in the stowed position.

Abstract: A retractable ratcheting tie down apparatus is provided, including a frame and a hub rotatably mounted within the frame. A ratchet wheel is mounted to the hub and interfaces with a pawl to selectably prevent motion of the hub relative to the frame. A single tie down strap extends between two attachment members and winds around the hub. An operable means for rotating the hub and ratchet wheel is included to wind the single tie down strap around the hub. Tension between the two attachment members is transmitted directly through the single tie down strap and transitions between segments of the single tie down strap at the windings of the single tie down strap about the hub. In further examples, the operable means for rotating the hub and ratchet wheel is removable. The tie down apparatus can also move freely along the single tie down strap.

Abstract: An adapter for coupling a lever to continuously unidirectionally drive a strap fastener is disclosed. The adapter includes a U-shaped frame with two free ends and a junction. The two free ends are separately provided with two shaft holes. Two sliding slots are separately formed near the shaft holes. A lever hole is formed at the junction. A ratchet shaft has an outer section with a radial hole and an inner section inserted in the shaft holes. A bolt is inserted into the radial hole. A ratchet is mounted around the ratchet shaft. A pawl is slidably disposed between the two sliding slots for engaging with the ratchet. A spring stopper is fixed between two sides of the frame. A spring is compressively arranged between the pawl and spring stopper. A holed plate is fixed between the spring stopper and the junction.

Abstract: In an object holding device, it is possible to prevent loosening of a cord-like body for holding an object without requiring any user's special operation. The object holding device includes a fixing belt (3) wound on a plastic tank (2), a male buckle (9) provided at a fixing belt, a reel (4) having the fixing belt wound around and urged to rotate in a winding direction of the fixing belt and a reel housing (11) connecting with a male buckle. When the male buckle is connected to the reel housing, a rotation of the reel is restricted at least in a counter-winding direction of the fixing belt.

Abstract: A method of adjusting a length of at least one safety harness strap with an adjuster comprises positioning the adjuster at a desired location along the at least one strap, winding the at least one strap about the shaft, and locking the shaft with the locking mechanism to prevent rotation in an unwinding direction. The at least one strap is selected from the group consisting of at least one shoulder strap, at least one chest strap, at least one waist strap, at least one seat strap, and at least one leg strap. The adjuster includes a base, a shaft rotatably operatively connected to the shaft and defining a slot configured and arranged to receive the at least one strap, and a locking mechanism interconnecting the base and the shaft. The locking mechanism allows rotation of the shaft in one direction and prevents rotation of the shaft in an opposite direction.

Abstract: A strap-tensioning apparatus includes a base including two walls each formed with a first arched edge and a second arched edge, a short strap connected to the base, a spring-loaded reel supported on the base, a long strap wound on the reel, a spring-loaded detent movably supported on the walls for engagement with the reel, a handle supported on the base, and a spring-loaded detent/suppressor is movably supported on the handle for engagement with the reel. The detent/suppressor suppresses the reel when it is retained in position on the first arched edges of the walls but allows the reel to spin when it is moved on the first arched edges of the walls in a direction.

Abstract: A well pump puller, which includes a base, a support element supporting a spindle, and an elastic element, extracts a well pump from within a well by winding electrical wiring attached to the pump around the spindle. During an extraction, at least a portion of any arising yank forces are absorbed by deformation of the elastic element, which reduces the risk of the wiring failing mechanically. A spindle can include a rotation element for rotating the spindle; a spindle lock and safety latch to limit rotation of the spindle; a wire guide to guide the wire; a pipe guide to guide a water pipe connected to the pump; a pipe catch to catch the pipe if the wiring fails; and a drill abutment that can abut a drill used to rotate the rotation element.

Abstract: A well pump extractor, which includes a base rotably supporting a spindle, a pipe guide, and a pipe catch, extracts a well pump from within a well by winding electrical wiring attached to the pump around the spindle. During an extraction, a pipe guide guides the path of water pipe connected to a pump. If the electrical wiring fails mechanically during an extraction, the pipe catch catches the water pipe, which prevents the pump from falling to the bottom of the well.

Abstract: A spindle for a winch which comprises a first member for winding a length of a restrain and a second member for rotationally driving the first member. The second member engages with the first member by way of an arrangement which only permits relative rotational movement between the first and second members in one direction. A portion of the second member is received into a bore in the first member to support the second member with respect to the first member.

Abstract: An overload warning system for a winch hoist of the type that includes a drum that rotates about a drum shaft, a handle that is received in a socket, wherein the handle can be used to turn the drum, and a movable frame that is located between the socket and the housing. The socket is coupled to the drum shaft. There is a shear pin with one end embedded in the frame and the other end embedded in the socket, the shear pin defining a relatively weak shear zone located between the frame and the socket. There is an elongated opening defined in the socket and a projection projecting from the frame and into or through the elongated opening. If the shear pin fails under rotational load applied through the handle, the socket will rotate relative to the frame until the edge of the elongated opening contacts the projection. The socket movement provides tactile feedback that the shear pin has failed, while maintaining control over the hoist operation via the handle.

Abstract: A tensioning apparatus includes a first shaft and a strap wound on the first shaft such that the strap has first and second portions extending in opposite directions, and the first portion of the strap is collected on the first shaft by operably moving the rotating shaft. The tensioning apparatus further includes a reeling device for collecting the second portion of the strap. Furthermore, the reeling device includes a ratcheting mechanism that facilitates collection of the strap.

Abstract: A fastener includes a frame; a rotary shaft mounted to the frame and having a passage running through a center thereof; two ratchet wheels, a first lock member; a handle pivoted to the rotary shaft; a second lock member movably mounted to the handle and having an operation portion for a user's hand to operate to force the second lock member to disengage from the ratchet wheels; a rewinding member mounted to the handle and having a reel, a spring coil, and a shell; and a strap having two ends, one of which is mounted to the rewinding member and the other passes through the passage, and are wound around the rewinding member. Accordingly, the fastener allows the user to conveniently rewind the strap to enhance the user's operational hand feel.

Abstract: A clutchable pry bar includes a bar member with a fitting connector; a rack member fitted with the fitting connector of the bar member, including two slots adjacent to a closed end of the rack member, and including two through holes proximate to an opened end of the rack member; a ratchet shaft inserted to the through hole of the rack member, and including a first end portion disposed on one end thereof; at least one ratchet member fitted to the ratchet shaft, a plate member movably fixed to the slots of the rack member, a returning spring between pegs of the plate member and a central extension of the bar member; a stem member to be retained with the ratchet shaft after the stem member is inserted to a radial bore of the ratchet shaft.

Abstract: A clutchable winch contains a shaft member including: a tube used to fix a belt; a fitting piece including a central hole mounted thereon; a column fixed on the central hole; a sleeve coupled with the fitting piece, including a groove arranged on one end thereof and a connecting end secured on another end thereof, the connecting end including plural apertures disposed thereon; a positioning disc fixed on a bottom end of the groove, including plural first inclined teeth arranged therearound, the first inclined teeth being spaced apart evenly from each other and each having a vertical side; an annular actuating plate fitted on the column, including a hexagonal pore arranged on a central portion thereof and plural second inclined teeth disposed on one end surface thereof, wherein each second tooth includes a vertical fringe; a compression spring defined between the actuating plate and the fitting piece of the tube.

Abstract: A strap-tensioning apparatus includes a frame, a handle connected to the frame, a reel supported on the frame, two ratchets secured to the reel, a first detent supported on the handle and biased to engage with the ratchets, and a second detent supported on the frame and biased to engage with the ratchets. The frame includes two walls each including a recess. The handle includes two walls each including a lobe. The first detent includes a chamfered tip. The ratchets can slide on the chamfered tip of the first detent to allow a strap to be reeled out when the chamfered tip of the first detent is in the recesses of the frame. The second detent is disengaged from the ratchets by the lobes of the handle when the chamfered tip of the first detent is in the recesses of the walls of the frame.

Abstract: A securing mechanism for securing cargo that may include a body, a ratchet, a lever and a release mechanism. The body may be capable of receiving a strap therethrough, wherein the strap may includes opposing ends. The ratchet may include a pair of opposing arms connected to the body and a spool rotatably connected to the arms. The spool may include a slot to receive the strap into a z-fold configuration. The lever may be rotatably attached to the arms and reciprocated between an open position and a closed position, wherein the lever may include at least one pawl to engage the ratchet wheels and may rotate the spool when the lever is reciprocated. The release mechanism may be capable of selectively disengaging the pawl from the ratchet wheel. The securing mechanism may be selectively positionable along the strap when the strap is bi-directionally gathered onto the spool.

Abstract: A reel structure for a marine fabric tape includes a reel device pivoted to an engaging seat. When a handle of a windlass is turned, a flat rod will be driven to rotate a gear shaft which then drives a gear disc to rotate. Because a head portion is positioned in an axle shaft, a fabric tape is rolled up along with the axle shaft to form a circular shape, providing an even applied force for rolling up the fabric tape.

Abstract: A ratchet tie-down includes a frame, a lever including two cams pivotally connected to the frame, a reeling device rotatably mounted on the frame and lever, and a ratcheting device including two ratchet wheels mounted on the reeling device. The ratchet tie-down further includes a reinforcement assembly including two reinforcement members mounted on the reeling device. Each ratchet wheel includes two lateral sides disposed between one cam and one reinforcement member. Each reinforcement member defines an annular surface in contact with one lateral side of one ratchet wheel, and with the reinforcement member imposing an urging force in a direction perpendicular to a rotation direction of the ratchet wheel.

Abstract: There is disclosed a load binder device (10) for tightening, a load, for example during transport on a truck. The device is connected to hooks (80, 102) for securement to suitable anchor points and has an actuating lever (20) and lashing wheels 40. The actuating lever includes a pushing plate (32) which engages ratchet teeth (41) of the lashing wheels to rotate them. A stop plate (56) engages with the ratchet teeth and allows the lashing wheels to be rotated to tighten the load but prevents the wheels from rotating in an opposite direction to release the load. The actuating lever can be released from the lashing wheels by lifting the pushing plate and can be moved into an unlocking position in which cam-like lobes (24), forming part of the lever, force the locking plate into a disengagement position for releasing the lashing wheels to allow the load to be released.

Abstract: A clutchable winch contains a shaft member including: a tube used to fix a belt; a fitting piece including a central hole mounted thereon; a column fixed on the central hole; a sleeve coupled with the fitting piece, including a groove arranged on one end thereof and a connecting end secured on another end thereof, the connecting end including plural apertures disposed thereon; a positioning disc fixed on a bottom end of the groove, including plural first inclined teeth arranged therearound, the first inclined teeth being spaced apart evenly from each other and each having a vertical side; an annular actuating plate fitted on the column, including a hexagonal pore arranged on a central portion thereof and plural second inclined teeth disposed on one end surface thereof, wherein each second tooth includes a vertical fringe; a compression spring defined between the actuating plate and the fitting piece of the tube.

Abstract: A tie-down winch system includes a tie-down winch and a winch bar member. The tie-down winch includes frame, a cylinder member rotatably carried by the frame, a first lock member connected to a second end of the cylinder member, and a second lock member pivotally connected to the frame adjacent the second end of the cylinder member and moveable between an engaged position and a disengaged position. The engaged position is defined as a portion of the second lock member engaging a portion of the first lock member to prevent rotation of the cylinder member, and the disengaged position is defined as the second lock member being spaced apart from the first lock member so that the cylinder member is freely rotatable with respect to the frame.

Abstract: An improved ratchet strapping device is provided, comprising a frame, an axle, and a handle pivotally installed on the axle. Ratchets are mounted on the axle and adjacent to the exterior of the frame. The frame includes a first detent on the outside of the frame which engages the ratchet. A release device is mounted on the handle, wherein the release device includes a second detent on the outside of the handle which engages the ratchets at another location. The frame includes a first cam having a radius greater than the ratchets and on which the second detent slides, and the handle includes a second cam having a radius greater than the ratchets and on which the first detent slides. Placement of the ratchet and detent components on the outside of the device permits spooling of substantially all of the strap for storage or unused portions of the strap during use.

Abstract: A tightener for a binding strap is disclosed. A base is penetrated with a rotating axle with a ratchet installed on its one end. A tooth limits the ratchet to move in a single direction. A driving element is mounted on the rotating axle. A ratchet tooth engages with the ratchet for the driving element to drive the ratchet. The driving element has a cam part and a blocking part.

Abstract: A ratchet-driven mechanical winch that is adapted to measure the force applied to a cable, wire, or other tether through the operation of Hooke's Law. The device operates by compressing a pair of linear springs as increasing force is applied to the cable, wire, or other tether.

Abstract: A cargo bracing device includes a base having two side plates for rotatably attaching a reel drum, one or more toothed discs attached to the reel drum and controlled to rotate relative to the base with a stop, an operating arm having two legs rotatably attached to the reel drum, a catch device attached to the operating arm and engaged with the toothed disc, and an anchoring device may detachably anchor the legs of the operating arm to the reel drum, and the legs of the operating arm may be selectively disengaged from the reel drum to prevent the operating arm from being operated by unauthorized persons, and for preventing the cargo from being stolen by the unauthorized persons.

Abstract: A cable tightening device includes a fixed unit including a base, a rotation member rotatably mounted on a first end of the base, a movable unit including a movable member rotatably mounted on the rotation member and movable relative to the base, and a holding member secured on a second end of the base. Thus, the base of the fixed unit is integrally combined with the holding member without having to provide a bolt and a nut, thereby decreasing the costs of fabrication. In addition, the holding member is integrally combined with the base of the fixed unit by punching so that the holding member will not detach from the base of the fixed unit, thereby facilitating operation of the cable tightening device.

Abstract: A winch used for tightening a strap to retain an article, which may be cargo, on the deck of a vehicle has a ratcheting mechanism which tightens the strap around a cylindrical shaft. A ratchet cap installed on the winch has two sections. One of these sections is fixedly attached to the winch drive shaft This first section has a plurality of spaced recesses running around a surface plate thereof. Spring urged pins with rounded end surfaces are mounted in receptacles formed in the second cap section. The rounded ends of the spring urged pins are urged against the surfaces of the recesses. The pins are prevented from moving out of the recesses in one direction by a right angled end portion of the recess in this one direction and are free to move out of a recess over a slanted recess end portion into an adjoining recess in the opposite direction. At least one aperture is formed in the cap into which a lever for driving the winch is fitted.

Abstract: Described are a tensioning device and a stand having a tensioning device of this type. In a stand for clamping rod-shaped units (Christmas trees), a flexible force transfer element (wire rope) (4) is wound on a rotatable tensioning body (5) and thus tightened. The rotatable tensioning body (5) is rotated about its rotation axis (18) by means of a drive wheel (7) which is connected non-rotatably to the tensioning body and whose diameter is several times larger than that of the tensioning body (5). A safety catch (6) prevents the tensioning body (5) from turning backwards automatically into the locking position and allows the tensioning body (5) to turn backwards into the release position.

Abstract: A ratcheting pulley device is shown and described. In one embodiment, the device includes a sheave rotatably mounted in a housing. The housing defines an opening for ingress and egress of a rope or cord into the housing and around the sheave. The device includes a releasable ratchet mechanism, which, when engaged, permits rotation of the sheave in one direction but not the other, and which, when released, permits free rotation of the sheave. A loading-disk is mounted on the exterior of the housing and is in rotational communication with the sheave. The loading-disk allows rope or cord to be operably and quickly loaded into the device.

Abstract: A cable tension device includes a fixing seat, a rotation shaft, a ratchet unit, a movable seat, a safety locking plate, a control member, an engaging board, a push board, a compression spring, and a tension adjustment knob. Thus, when the cable is tightened to a determined extent by rotation of the movable seat, the force applied by the cable on the ratchet unit is greater than that applied by the engaging board and the push board on the ratchet unit, so that the engaging board is pushed and deflected by the ratchet unit to pass by the ratchet unit, and the movable seat performs an idle rotation, thereby preventing the cable from being tightened too excessively.

Abstract: A strap winder includes a base having a first strap end connecting structure; a ratchet wheel rotatably mounted in the base and having a second strap end connecting structure; and a handle pivotably mounted to the base and preferably engaging the ratchet member so that pivot of the handle in an opening movement, wherein the handle is moved away from the base, does not rotate the ratchet wheel, and wherein pivot of the handle in a closing movement, wherein the handle is moved toward the base, rotates the ratchet wheel. The strap winder is preferably made at least partially from plastic, and has characteristics which facilitate injection molding.

Abstract: A fence tensioner has a frame which may be rigid or articulated. The tensioner carries on each end thereof a rotatable cylindrical member which is provided with an axial slot to accommodate the profile of a section of fence. The cylindrical member is provided a ratchet and a pawl to lock the cylinder against loosening rotation. The pawl has a square end to lock the ratchet and eliminate any backlash and any slack in the fence members. The frame of the device is articulated so that each end of the device may accommodate the angle of the fence relative to the post. The vinyl fencing fits into the tensioner and locks itself therein as the cylinder rotates.

Abstract: A fastener includes a frame, a collar connected to the frame and a reel inserted through the collar and the frame. A strap can be reeled in and reeled out when the reel is rotated in a direction and an opposite direction. A first switching device is provided between the reel and the collar so that the first switching device is operable to switch the reel between a reel-out mode and a reel-in mode. A second switching device is provided between the reel and the frame so that the second switching device is operable to switch the reel between a reel-in mode and a reel-out mode.

Abstract: A winch bar is provided for use in combination with a strap winding winch for flatbed trailers. The bar has a rotatable link member at one end thereof which is provided with a hook portion adapted to interface with the apertures of the hub on one end of a reel of the winch. Upon the hook engaging the apertures, the bar can be rotated at a safe distance from the truck bed in order to rapidly, safely and securely rewind the strap onto the winch reel.

Abstract: A cable tightening device includes a fixed unit, a rotation member rotatably mounted on the fixed unit, a movable unit including a movable member to drive the rotation member and a release member to lock or unlock the movable member, and a locking unit to lock the release member onto the movable member releasably. Thus, the release member is locked onto the movable member by the locking unit and cannot be pulled upwardly to detach the push plates of the movable unit from the ratchet wheels of the fixed unit so that the ratchet wheels are locked to lock the rotation member to prevent the cable from being loosened so as to protect the cargo wound by the cable, thereby achieving the anti-theft purpose.

Abstract: A pulley includes a tensioning device and a ratchet device disposed in the tensioning device. The tensioning device includes a first shell, a second shell installed to the first shell, and a first compartment defined in a side thereof. The tensioning device further includes a first block and a second block located in the first compartment, with the first and second blocks adapted to pivot in the tensioning device. The ratchet device includes an actuating element, a ratchet, a first gripping element and a second gripping element, with the ratchet, the first and second gripping elements mounted onto the first block in sequence, with the actuating element provided to control the pivoting direction of the ratchet as to limit the direction of pulling a rope, which is winded between the first and second gripping elements.

Abstract: This invention relates to the automation of standard weld on type winches. Truck trailers average 10 to 12 load straps all of which are 25 to 30 feet long. By incorporating on one end of the winches mandrel a circular adapter having the means for a driver to attach a battery operated drill the driver will no longer have to manually roll up the straps eliminating wrist area stresses while making the job safer, quicker and easier.

Abstract: A winch assembly is designed so that it can be slidably supported on the side rail of a vehicle. The winch assembly has side walls and a top plate. Slots are formed between the top plate and the side walls. A first bar runs between the side walls at substantially the same elevation as the top plate. A second bar runs between the side walls at an elevation below that of the first bar. A space is formed between the top plate and the first and second bars. The vehicle has a side rail running there around on which the winch assembly is supported. The side rail has a U-shaped bottom piece and a U-shaped top piece which run around the vehicle side walls. A cross member runs between the opposite sides of the cargo compartment The side frame has a U-shaped bottom piece with an arm extending there from, this arm being fitted into a slot in the deck of the vehicle located between the deck and the cross member.

Abstract: A split winch band shaft fast rotating device is provided herein. The device is disposed at the band shaft extension end at one side of the winch mount, and includes a band shaft joint and a rotator. At least one crowbar hole is set on the rotator. The rotator is coupled to one side of the band shaft joint with a unidirectional linkage mechanism set at the contact surface thereof. The band shaft extension end has at least one pin hole. The band shaft joint could be inserted into or covered on the band shaft extension end with a detachable connection mechanism arranged therebetween which could make the joint fixedly connected to the extension end by inserting one or more axle pins into the pin holes. The split winch band shaft fast rotating device is low in cost, convenient in maintenance, flexible in operation, and could improve the bundling speed of the winch.

Abstract: An anti-reversing pawl mechanism is claimed that includes a pawl that is engaged by a flexible coupling but that is also biased toward a driven member such that when the engagement of the flexible coupling is removed, the pawl engages the driven member and stops it from moving.

Abstract: A multi-functional ratchet includes first and second bars with left and right axially opposed ends respectively. Each bar is provided with a channel formed therein with a longitudinal length that is less than the longitudinal length of the bar. The apparatus further includes first and second beams with axially opposed proximal and distal ends. The beams are pivotally attached to the bars. Each beam is provided with a channel formed therein with a longitudinal length that is less than a longitudinal length of the beam. A mechanism winds a strap about a central portion of the ratchet when the first and second beams are laterally displaced away from equilibrium. The winding mechanism is connected to the bars and the beams respectively. The strap is freely rotated about the central portion while the first and second beams are maintained at a static position.

Abstract: A binding machine includes a tightening mechanism adapted to tension a belt and a limiting mechanism adapted to limit tensioning of the belt. The tightening mechanism includes, for example, a ratchet and a pawl coupled to a body of the tightening mechanism. A handle is adapted to rotate the ratchet in a first direction in response to a first force applied to the handle. The pawl is adapted to prevent the ratchet from returning in a second direction when the first force is released. A spring mechanism allows the handle to indicate when a second force opposing the first force achieves an established magnitude.

Abstract: A cargo bracing device includes a base having two side plates for rotatably attaching a reel drum, one or more toothed discs attached to the reel drum and controlled to rotate relative to the base with a stop, an operating arm having two legs rotatably attached to the reel drum, a catch device attached to the operating arm and engaged with the toothed disc, and an anchoring device may detachably anchor the legs of the operating arm to the reel drum, and the legs of the operating arm may be selectively disengaged from the reel drum to prevent the operating arm from being operated by unauthorized persons, and for preventing the cargo from being stolen by the unauthorized persons.

Abstract: A strapping apparatus includes a frame. A first strap is connected to the frame. An axle is installed on the frame. A second strap is connected to the axle. A spool is positioned around the axle. The spool defines a slit through which the second strap is directed. Two ratchets are connected to the spool and rotationally installed on the axle. A coil spring includes a first end connected to the axle and a second end connected to the frame in order to rotate the spool. A first detent is movable on the frame between an operative position in engagement with the ratchets and an idle position away from the ratchets. A handle is pivotally installed on the axle. A second detent is movable on the handle between an operative position in engagement with the ratchets in order to rotate the spool and an idle position away from the ratchets.

Abstract: A cable tightening device includes a fixed unit, a rotation member, two opposite ratchet wheels, and a movable unit. The movable unit includes a movable member, a drive handle and two opposite torsion springs. Thus, the torsion springs are arranged on the movable member symmetrically to provide a predetermined elastic force to the drive handle to eliminate an oblique force produced during the movement of the drive handle, so that the push plates of the drive handle are slidable in the guide slots of the movable member smoothly and exactly without incurring deflection.