Abstract: A torque adjustment mechanism is provided for use with a torsion spring. The torsion spring is a coil spring having a plurality of helical coils that define a hollow core. A torque adjuster is positioned in the interior of the hollow core of the coil spring. The torque adjuster has a circular collar on one end and a securing flange on the other end. The circular collar is designed to fit into the hollow core of the coil spring. A clamp is positioned over the exterior of the coil spring in alignment with the circular collar. The clamp secures the coil spring to circular. The position of the collar in the spring defines the number of the coils that are active and establishes the level torque provided by the torsion spring.

Abstract: [Problems] Objects include providing a hook member that can be easily attached to a coil spring and providing a tension spring that includes the hook member. [Solution] A hook member used for being attached to an end part of a coil spring in its axial direction is provided. The hook member includes a hook part for hooking a target member and an attachment part capable of being screwed with an outer circumferential surface and/or an inner circumferential surface of the coil spring. The attachment part has a sliding surface slidable with the outer circumferential surface and/or inner circumferential surface of the coil spring, and the sliding surface has a reverse shape of the outer circumferential surface and/or inner circumferential surface of at least the first turn constituting the coil spring.

Abstract: A gearing arrangement for an actuator device for height adjustment of a vehicle body is provided, having a drive wheel and an output wheel, which are rotatably connected to each other by a tooth system formed on each. A blocking element is arranged on the output wheel to block a rotational movement, and a guide track having a blocking stop integrated therein and at least one deflection position; the guide track is connected to a pin section, which is movable to a limited degree and which is provided in order to be guided along the guide track upon rotation of the output wheel and to block a rotational movement of the output wheel upon penetrating into the blocking stop. By using the at least one deflection position, the rotative position of the blocking element can be detected during guiding of the pin section by the at least one deflection position.

Abstract: An active wheel suspension element has a ball screw drive having a screw drive with a threaded spindle and a spindle nut which is mounted in a housing via an axial bearing. The axial bearing is formed as a rolling bearing, whose rolling element rolls directly on the spindle nut.

Abstract: The invention is directed to a spring strut support mount, including a damper element and a mount housing having a first and a second housing member, wherein the housing members can be threadably engaged by a thread so as to encompass the damping element. The housing members have a detent arrangement which permits a screwing action but prevents a loosening of the thread connection. The invention provides for improving a spring strut support mount such that the housing members cannot loosen from one another during operation. The housing members have a detent arrangement which permits a screwing action but prevents a loosening of the thread connection.

Abstract: Tensioner devices for use with movable partition systems include endplates configured to be mounted on opposing sides or ends of a movable partition. At least one of the endplates includes a bracket configured for attachment to an end of a chain or a belt. The bracket is movable relative to the endplate. The endplate having the bracket also includes an adjustment mechanism located on a common side of the endplate with the bracket, and is operably coupled with the bracket. The adjustment mechanism is configured for adjusting a distance separating the bracket from the endplate. Movable partition systems include such tensioner devices. Methods of adjusting a tension in a chain or a belt of a movable partition system involve the use of such a tensioner device. Methods of installing movable partition systems within structures include the installation of such tensioner devices.

Abstract: The invention relates to a vibratory floor made up of shaker modules protected against the entry of dust, and capable of emptying cohesive products. The inner volume (10) of each module is connected by means of a pipe (14) to an air or clean gas volume (19). Each module past the first row is provided with an anti-pressure device (46) made up of an anti-pressure plate (47) situated above the motor cover (44), supported by two flanges (48) and (49) resting on stationary parts (36) on either side of the module. The modules thus formed are protected against the entry of dust, and effectively emptying any cohesive product from silos, vessels, railroad cars or any other containers, without human or mechanized intervention.

Abstract: Some embodiments include a transaxle drive system for ride-on equipment with a plurality of transaxle assemblies supported by a suspended subframe, and a frame supported on a pair of front wheels at one end that is coupled to and pivotably suspends the subframe. Some embodiments include a power source with a drive pulley supported by the frame at an opposite end. Some embodiments include a belt coupling the drive pulley to a driven pulley of the transaxle assemblies. In some embodiments, the plurality of transaxle assemblies can be driven from the drive pulley by at least a portion of the belt. Further, in some embodiments, the plurality of transaxle assemblies include a first and second transaxle assembly each coupled to a separate rear wheel. The first and second transaxle assemblies are suspended from the subframe, and can be pivoted together about the frame, and the at least one drive pulley.

Abstract: The damper and spring unit comprises a damper, a spring member extending coaxially to the damper, a bottom spring plate and a vehicle height adjustment device for adjusting the height of the vehicle from the ground. A first damper element is connected to a wheel carrier of the suspension and a second damper element is slidable relative to the first damper element along the longitudinal axis (z). The adjustment device is interposed between the first damper element and the spring member to change the linear position of the bottom spring plate, and a bottom end of the spring member, relative to the first damper element. A hydraulic linear actuator comprising a cylinder is secured to the first damper element and a piston drivingly connected for translation with the bottom spring plate along the longitudinal axis (z) of the damper between a bottom end-of-travel position and a top end-of-travel position.

Abstract: A shock absorber spring retention structure is provided for a remote control car. A spring is arranged between a shock absorption cylinder and a piston rod that are axially movable relative to each other to produce an effect of damping. The spring has a top supported on an adjustment ring that is threadingly screwed to an outer circumference of the shock absorption cylinder and a bottom having a wire rotatably coupled to a clip and held in position by a mounting seat to be coupled to a connection seat mounted to an end of the piston rod. The connection seat includes an engagement section with which the clip is engageable for locking. Thus, in the assembly of the shock absorber, the clip securely retains and couples the spring, the mounting seat, and the connection seat together to prevent the spring from detaching during the operation of the shock absorber.

Abstract: Some embodiments of the invention provide a suspension system coupled to a main frame of ride-on equipment including a subframe coupled to the main frame with a pivot including a pivot axis. Some embodiments include a transaxle assembly supported on the subframe coupled to a drive wheel, and a power source supported on the main frame coupled to the transaxle assembly. A rider can control the transaxle assembly with a compensated control linkage assembly that can compensate for movement of the subframe. Some embodiments include driven pulleys, idler pulleys and backside idler pulleys supported by the subframe coupled to the power source not supported by the subframe. In some embodiments, the pivot axis resides between the power source and the transaxle assembly. In some embodiments, the drive wheel can be driven by an electric motor supported by the subframe and the power source can be a battery.

Abstract: A foldable support device for a stand lamp includes a lower support member and an upper support member, each including a front support component and a rear support component parallel to and arranged behind the front support component. Each of the front and rear support components includes a bottom support rod having an upper end, and a top support rod having a lower end pivoted to the upper end of the bottom support rod such that the top support rod is foldable downwardly toward one of left and right sides of the bottom support rod and upwardly away from the bottom support rod.

Abstract: A solenoid valve is provided which includes a valve member, an armature for moving the valve member, an electro-magnetic coil for inducing movement of the armature. A coil spring is provided for engagement with the armature, the coil spring has at least a first end being generally cylindrical and a second end contacting the armature. A plug is provided threadably engaged with the spring first end along an adjustable length of the spring.

Abstract: A lift kit for the suspension strut of a Quad ATV cycle including an upstanding sleeve with an upper edge with a collar of reduced diameter defining an upwardly facing annular shoulder at a bottom of the collar, a shock absorber inserted in the sleeve, a washer sitting on the annular shoulder and a coil spring sitting on the washer where the lift kit includes a sleeve member having a bottom collar and an upstanding portion therefrom where the bottom collar has an exterior surface with a diameter greater than that of the upstanding portion and a nut engaged onto the male screw thread on the and being movable to different set portions of a top surface of the nut along the male screw thread on the upstanding portion, the nut having an upper face supporting a bottom of the spring.

Abstract: A unique, adjustable collar for a shock absorber coil-over spring is positioned on top of the coil-over spring and below the shock lock nut. The collar serves as a bearing that can be adjusted to increase or decrease the tension applied to the coil-over spring making for easier adjustments. The collar in the preferred form has eight (8) conical gears that mate with corresponding teeth in the top. The gears are turned clockwise or counterclockwise to respectively raise or lower the ride height of the vehicle. A typical one quarter inch (¼?) socket extension or similar tool can be used to turn the gears.

Abstract: A method of assembling a spring inside of a tube includes providing a coil spring and a tube having a first retaining structure at a first end of the tube. The method includes positioning a rod in the tube. The spring is positioned in the tube, and a second retaining structure is attached to the rod with the spring positioned between the first and second retaining structures. A force is applied to the spring, and the second retaining structure is fixed at a position wherein the spring provides a desired preload.

Abstract: An automobile hydraulic shock absorber includes a cylinder body, a piston, an upper support, a piston rod, a volume adjustment mechanism, first and second communicating passages, and a pressure-applying mechanism. The piston rod is attached to the upper support via a rubber cushion. The volume adjustment mechanism includes a free piston. The first and second communicating passages communicate the first oil chamber and second oil chamber with each other in the cylinder body via a diaphragm. The pressure-applying mechanism is disposed outside the cylinder body, movement thereof is restricted by the upper support, and the pressure-applying mechanism pushes the piston rod downward.

Abstract: A locking screw for connecting two or more articles together is provided. The screw includes an externally threaded shaft, a head, and an elastic member. The head defines a chamber in which a spiral groove is defined. The shaft extends from the bottom of the chamber; and the elastic member is arranged around the shaft and one end of the elastic member is received in the spiral groove of the chamber and another end abuts against an article. The elastic member can be rotated around the longitudinal axis of the shaft, to change the length of the elastic member, so that enough tension is created to ensure locking the screw in place and prevent any rotation, thus maintain a tight engagement among the articles.

Abstract: A cushion device includes a shock absorber and an accumulator. As a piston moves in a certain direction in a cylinder so that the shock absorber is compressed, oil in an oil chamber is discharged to the accumulator through an oil hose. The compression operation of the piston allows a slide member to slide and the capacity of an oil chamber is reduced. The oil in the oil chamber is discharged to a regulation unit through an oil hose. The regulation unit controls a valve by the pressure of the oil coming in from the oil chamber and applies resistance to the oil discharged from an oil chamber to an oil chamber.

Abstract: Systems and methods provide variable spring stiffness for weight management in a vehicle. One system includes a plurality of springs and a plurality of spring retainers configured to adjust a number of inactive coils of the plurality of springs. Additionally, a motor is provided that is connected to the plurality of spring retainers and configured to actuate the spring retainers to adjust the number of inactive coils of the plurality of springs. Further, a controller is provided that is coupled to motor to control the motor to actuate the spring retainers to adjust the number of inactive coils of the plurality of springs.

Abstract: A spring installation mechanism includes a bracket fixed against displacement, a spring that extends along an axis and includes first and second ends, the second end being fixed against displacement, a retainer secured to the first end and including helical threads, and a screw including a shank having helical threads engaged with the threads of the retainer, axial displacement of the screw toward the retainer limited by contact with the bracket, said contact permitting rotary displacement of the screw relative to the retainer and the spring.

Abstract: A spring comprising a spring itself and end seat plates and a mount. In the spring seat plates are mechanically connected (constantly, variably, or actuable to connect) to each other and to the mount, so when a force or moment is applied to one of those seat plates its movement induce the movement of other seat plate as well, changing the total movement of the spring. Furthermore, there are provided mechanical means (a cams, a gears, a levers etc.) for changing the linkage between the end seat plates and the mount, which result in increasing, remaining the same (constant spring) or decreasing the spring constant. So, the spring constant of the spring can be controlled as to be adjustable.

Abstract: The present invention is a mechanical element, commonly referred to as a “Jack Spring” that is based upon the concept of adding and subtracting coils from a spring. In particular, with the method and apparatus of the present invention, by changing the number of coils in a spring, the actual or intrinsic stiffness of the spring is structurally changed. A very simple and practical method is used to adjust the number of coils. The Jack Spring actuator of the present invention is based upon adjusting the effective structure of a spring.

Abstract: The present invention relates to dual-spring assembly that may be employed in cooperation with a damper unit to form a shock absorber. The spring rate of at least one of the springs is adjustable with a preload mechanism, which in turn is movable relative to the damper unit. Further, the dual-spring assembly includes two compression springs arranged in series and each having selected, but different spring rates. The first spring primarily absorbs the energy of applied loads that are below a first amplitude or threshold of applied load. Once the applied loads exceed the first amplitude of applied load, the dual-spring assembly operates with an effective spring rate to absorb the energy of applied loads that exceed the first amplitude of applied load. After a second spring of the dual-spring assembly achieves a desired amount of deflection, the first spring continues to absorb energy from the applied loads.

Abstract: A plastic spring having a corrugated tubular body with connection surfaces at its ends for transmitting force between two structural component parts which are movable relative to one another. A connection surface of the plastic spring is constructed as a tubular body which engages in a cup element of one of the supporting structural component parts. The cup element can be filled with a displacement mass, and the tubular body accordingly carries out a displacing movement within the cup element for axially adjusting the preloading of the plastic spring.

Abstract: The invention relates to a strut for a wheel suspension of motor vehicles, comprising a telescoping shock absorber and a support spring which surrounds it, as well as with a vertical adjustment means with a driven driving spindle which is pivoted by way of a body-mounted bearing on the engine housing side, which interacts with a vertically adjustable lifting element which is arranged to be non-rotatable and which bears the spring plate of the support spring. According to the invention, the driving spindle, in addition to the body-mounted bearing, is supported directly or indirectly on the cylinder tube of the shock absorber to be able to pivot and move axially relative to it.

Abstract: An adjustable tension spring anchor with rotatable head. A flanged head is rotatably mounted to a threaded cylinder mounted to a first element. The rotatable head is connectable to one end of a tension spring having its opposite end attached to a second element. A pair of mutually opposed flat surfaces on the cylinder and a socket at the end of the cylinder allows the cylinder to be rotated to adjust tension without twisting of the attached spring.

Abstract: In a suspension spring adjusting apparatus of a hydraulic shock absorber, a mounting mating surface sealed by a spring adjusting case and a seal material of a case cover is formed in a flat surface shape, and an outer peripheral edge of the case cover is provided with a skirt portion covering over an outer peripheral surface of the spring adjusting case via a gap.

Abstract: The present invention is a mechanical element, commonly referred to as a “Jack Spring” that is based upon the concept of adding and subtracting coils from a spring. In particular, with the method and apparatus of the present invention, by changing the number of coils in a spring, the actual or intrinsic stiffness of the spring is structurally changed. A very simple and practical method is used to adjust the number of coils. The Jack Spring actuator of the present invention is based upon adjusting the effective structure of a spring.

Abstract: A mechanical arm comprises a forearm, a spring, and an upper arm disposed between the forearm and the spring, wherein the forearm applies a moment to the upper arm. A translation device associated with the upper arm translates a force associated with the moment to the spring. The spring is adapted to apply a counter-force resisting at least a portion of the moment to reduce a torque for urging the forearm.

Abstract: The invention relates to a device for adjusting the height of the body of a motor vehicle having a bearing spring which is connected between the wheel guiding element of the wheel suspension and the body and which is supported on a spring disk which is vertically adjustable by way of an actuating device, and having an overload spring which limits a defined spring path in the deflection direction. According to the invention, the overload spring is assigned an actuating device with which the overload spring is vertically adjustable, preferably following the vertical adjustment of the spring disk.

Abstract: In a suspension spring adjusting apparatus of a hydraulic shock absorber, a mounting structure of a motor to a spring adjusting case is constituted by a three-point support structure in a plan view including a motor shaft of the motor.

Abstract: A spring system has a first pulling part with a first fastening element connected by a tension spring to a second pulling part with a second fastening element. The pulling parts are moveable relative to one another so as to increase or relieve stressing on the tension spring. A damping device damps the movement of the pulling parts in relation to one another. A cylinder is fastened on the first pulling part and a piston 3 is axially displacesably arranged therein, subdividing the interior of the cylinder into a first cylinder chamber and a second cylinder chamber. A piston rod connected to the piston is arranged on the second pulling part. The interior of the cylinder is connected to the surroundings via one or more restrictor openings.

Abstract: A safety relief valve is provided that comprises a body comprising a chamber therein and an inlet and an outlet, the inlet comprising an inlet valve seat; a disk member closable on the inlet valve seat; and a mechanism in the body biasing the disk member to rest on the inlet valve seat with a set force such that when the pressure in the inlet exceeds a set pressure resulting from the set force, the disk member is lifted from the inlet valve seat, the mechanism comprising a combination of a coil spring and one or more disk springs stacked in series with the coil spring. A method of preparing a coil spring for use in a pressure relief valve comprises measuring the spring rate of the coil spring and; modifying the spring so as to modify its spring rate to be within ±2% of a desired spring rate.

Abstract: An adjustable tension spring anchor with rotatable head. A flanged head is rotatably mounted to a threaded cylinder mounted to a first element. The rotatable head is connectable to one end of a tension spring having its opposite end attached to a second element. A pair of mutually opposed flat surfaces on the cylinder and a socket at the end of the cylinder allows the cylinder to be rotated to adjust tension without twisting of the attached spring.

Abstract: In a coil spring of closed-end type, the coil spring is characterized in that a coupler is fixedly mounted between: an outer peripheral surface of a terminal convolution of a coil element rod; and, an outer peripheral surface of a subsequent convolution subsequent to the terminal convolution of the coil spring of closed-end type, whereby an amount of initial deflection is decreased.

Abstract: A locking ring assembly retains a bearing to a shaft rotatably supported on a first axis of rotation. Guide pins or rods extend axially from an annularly shaped bearing retainer slideably disposed on the shaft towards the pressure ring, also slideably disposed on the shaft. The heads of the guide pins are slideably disposed and captured in adjusting apertures of the pressure ring. A multi part pressure screw assembly are provided in the adjusting apertures of the pressure ring. Such pressure screws translate axially in the apertures of the pressure ring when rotated, with the thrust pads engaging the heads of the guide pins to displace the pressure ring from the bearing retainer. The pressure ring reacts against a reactive element or ring disposed on the shaft opposite the bearing retainer to develop an axial pressure load against the bearing.

Abstract: A firing mechanism of an explosively actuated tool for driving a fastener into a substrate includes a cocking rod and sear for entraining the firing pin with the firing pin being releasable on cocking by rotation of the sear. The cocking rod and sear form a structure subject to an axial and rotational bias by a coil spring anchored at one end to the structure and at the opposite end to a mounting which during assembly of the mechanism is rotated to apply torsional loading to the spring and is then locked into a housing of the mechanism in an angular orientation in which torsional loading is maintained in the spring.

Abstract: The invention relates to a device for holding one end of a helical spring and adjusting the tension of the spring. It comprises a plate (P1) provided with two series of holes (12, 13) spaced apart by a distance approximately equal to the diameter of the turns of the spring. The holes of one series are offset with respect to those of the other series. The plate (P1) is provided with a gripping and holding device (5, 8). The gripping and holding device comprises a threaded rod (5), one end of which is provided with a holding means (8). The threaded rod (5) engages in a tapped hole (15) integral with said plate (P1). A half-cylindrical wall (11) permits the passage of the threaded rod (5).

Abstract: In an adjusting method for remedying the coil pitch tolerance and fatigue deformation of an adjustable helical spring, an adjusting mechanism is mounted at one end of the casing for the adjustable helical spring for changing the precompression or the pretension of the helical spring to thereby remedy the coil pitch tolerance and fatigue deformation thereof, and rotating a rotatable element mounted in the casing and connected to one end of the helical spring, so that the helical spring is adjusted to a preset number of effective turns, and then the precompression or the pretension of the helical spring is adjusted. The adjusting method not only solves the problem of coil pitch tolerance and fatigue deformation existed in the adjustable helical spring, but also reduces noises produced by the adjustable helical spring in use.

Abstract: The invention concerns a shock strut for a MacPherson wheel suspension comprising a shock absorber with a body (21) and a rod (22). A coil spring (24) is mounted on a lower spring retainer (23) integral with the shock absorber body (21). The first turn of the spring (24) of the MacPherson strut can be immobilized on and relative to the lower spring retainer (23) in various predetermined positions on the lower spring retainer (23).

Abstract: Suspension strut comprising a cylinder and a spring perch which is axially displaceable relative to the cylinder for adjustment of the position, wherein the spring perch has a sleeve portion by which the connection to the cylinder is carried out. A chamber is arranged on the cylinder side which is at least partly filled with a moldable material. The sleeve portion contacts the moldable material, which in a solid state transmits a supporting force from the cylinder to the spring perch.

Abstract: The invention concerns a shock strut for a Mac Pherson wheel suspension comprising a shock absorber with a body (21) and a rod (22). A coil spring (24) is mounted on a lower spring retainer (23) integral with the shock absorber body (21). The first turn of the spring (24) of the MacPherson strut can be immobilized on and relative to the lower spring retainer (23) in various predetermined positions on the lower spring retainer (23).

Abstract: A tuned mass damper is adjusted by turning a screw inside the damper that engages coils on a spring, reducing or increasing spring stiffness without displacing the spring.

Abstract: An adjustable suspension strut for a motor vehicle includes a damping element enveloped by a spring, a first ring cylinder axially slidable relative to the damping cylinder, a second ring cylinder disposed between the damping cylinder and the first ring cylinder, a working chamber defined by at least the first and second ring cylinders, and an adjusting element configured to adjust the relative position between the damping element and one of the first and the second ring cylinders. The second ring cylinder is axially slidable relative to the damping cylinder. The second end of the spring is disposed on one of the ring cylinders. The two ring cylinders are axially displaced relative to each other.

Abstract: An adjustable casing for helical spring mainly includes a male and a female case, and a rotation member. A helical spring is enclosed in the casing with an end of fixedly connected to a fixing seat provided at a bottom center of the female case, and another end located in the male case. The rotation member is provided around an outer or an inner surface with a plurality of stoppers that are adapted to engage with coils of the helical spring. When the rotation member is rotated, the number of active coils of the spring subjected to a compressing or a stretching force is changed, and the modulus of elasticity of the helical spring is adjusted, accordingly. The helical spring mounted in the adjustable casing may have higher flexibility in its usage to meet requirements of different machines.

Abstract: The invention concerns a shock strut for a McPherson wheel suspension comprising a shock absorber with a body (21) and a rod (22). A coil spring (24) is mounted on a lower spring retainer (23) integral with the shock absorber body (21). The shock strut comprises means capable of blocking the first turn of the spring (24) on and relative to the lower spring retainer (23) in various predetermined positions on the lower spring retainer (23).

Abstract: An adjustable casing for helical spring mainly includes a male and a female case, and a rotation member. A helical spring is enclosed in the casing with an end of fixedly connected to a fixing seat provided at a bottom center of the female case, and another end located in the male case. The rotation member is provided around an outer or an inner surface with a plurality of stoppers that are adapted to engage with coils of the helical spring. When the rotation member is rotated, the number of active coils of the spring subjected to a compressing or a stretching force is changed, and the modulus of elasticity of the helical spring is adjusted, accordingly. The helical spring mounted in the adjustable casing may have higher flexibility in its usage to meet requirements of different machines.

Abstract: This invention is a lift kit for conventional trailers which include a foldable tailgate or trailer ramps mounted for pivotal movement about a gate or ramp axis from a transport position wherein the gate or ramps are elevated for transport to an unload position wherein the gate is lowered to permit removal of objects carried on the trailer, which incorporates a heavy duty helical elongated spring having a plurality of coils with one end fixedly mounted at the trailer end, and at the other end of the spring an adjustment which resists the force of gravity as the gate or ramps move from its upper travel position to its lower unload position which is fixedly mounted to the trailer gate or trailer ramp.

Abstract: A weight adjusting mechanism is mounted in a suspension seat and includes a lower frame and an upper frame vertically movably mounted on the lower frame via a link mechanism. The upper and lower frames have respective permanent magnets mounted thereon with like magnetic poles opposed to each other. An operation member is pivotally mounted on the upper frame, and a metal spring connected to the link mechanism is also connected to the operation member to produce a lifting force of the upper frame. Weight adjustment is conducted by changing an elastic force of the metal spring.