Abstract: In systems and methods for adjusting the firmness of a mattress assembly and/or modulating the pressure in a mattress assembly, a mattress assembly includes: a two-dimensional array of bladders; at least one pump that is in fluid communication with the bladders to provide air and/or fluid to the bladders; multiple valves that are interposed between the pump and the bladders to control the flow of air and/or fluid to or from the bladders; a pressure sensor operably connected to one or more of the bladders; and a controller in communication with the pump, the valves, and the pressure sensors. The controller is configured to selectively actuate the pump and one or more of the valves, while receiving feedback from the pressure sensors, in order to adjust the firmness of the mattress assembly and/or modulate the pressure in the mattress assembly.

Abstract: Disclosed is a fitness equipment provided with massage pedals, comprising a frame, two pedals, two rotating shafts, two flywheel swing arms, a flywheel, a damping wheel and a belt; the pedals are mounted on the frame and provided thereon with massage mechanisms; the pedals are connected to the rotating shafts; an inner end of the rotating shafts is rotatably connected to an outer end of the flywheel swing arm; a middle portion of the flywheel swing arm is sleeved on an outer end of a flywheel axle; the flywheel axle penetrates the flywheel, a middle portion of the flywheel axle and the damping wheel are rotatably mounted to the frame; and the belt is wound on the damping wheel and the flywheel.

Abstract: A massage apparatus is provided with a movable base frame at the bottom, a massage mechanism and a pressure sensing and adapting drive mechanism. The massage mechanism and the pressure sensing and adapting drive mechanism are provided on the movable base frame. The massage mechanism has a left and a right clamp plate, a linking post, a malaxation part and a pummelling part. The left and right clamp plates are fixedly provided on the movable base frame, and the malaxation part and the pummelling part are provided between the left and right clamp plates. The massage apparatus automatically senses the massage pressure and automatically adjusts the massage pressure in real-time within a provided pressure range according to the different body types of users. The massage apparatus automatically adapts to changes in the height and the curvature of the back of the human body in the course of massaging.

Abstract: A patting mechanism includes a support base for support a user, a driving device mounted to the support base and having a pushing unit, and a patting device having a rod pivotally connected with the support base, a patting member fixedly connected with the rod, and an elastic member connected between the support base and the rod. Thus, the rod is pushed to a preloaded position when the pushing unit is activated, and the rod is pulled by the elastic member to a patting position when the pushing unit is stopped working, such that the patting member is driven by the rod to pat on the user's back muscle repeatedly to relieve muscle soreness or help the user spit out phlegm.

Abstract: This massage head is fitted with a case defining an internal chamber in which a skinfold is formed when it is applied to the skin of a patient. The fold presses against the lower edges of the chamber, which is defined by two lateral walls and by two transverse walls The transverse walls each include a clack valve able to be driven in a pivoting motion, so as to cause the lower edges of the clack valves in contact with the skinfold to come closer together or move further apart. The relative displacement of the clack valves is ensured by of a motorized rotary cam provided in the massage head. The cam defines a cam path engaging with a component associated with the clack valves, and able to cause the swivelling motion thereof.

Abstract: According to some embodiments, a microdermabrasion device for treating skin comprises a handpiece assembly having a distal end and a proximal end. The handpiece assembly includes at least one delivery conduit and at least one waste conduit. The microdermabrasion device additionally comprises a tip configured to be positioned along the distal end of the handpiece assembly, wherein the tip is adapted to contact skin surface. In several embodiments, the tip comprises a lip, a first opening in fluid communication with the fluid delivery conduit and a second opening in fluid communication with the waste conduit. In one embodiment, the device includes one or more abrasive elements positioned along a distal end of the tip, wherein the abrasive elements are configured to selectively remove skin as the tip is moved relative to a skin surface. In some embodiments, the delivery conduit is configured to selectively deliver at least one time-release material to the skin surface being treated.

Abstract: A massage device capable of kneading and percussion is provided. Elements of the massage device and their interaction are as follows: a casing portion has therein a power source which is a motor for driving a first transmission member; the first transmission member drives a second transmission member; the second transmission member drives a rotational inclined surface structure; the rotational inclined surface structure drives an oscillating arm to undergo lateral oscillation; the oscillating arm is coupled to a massage head support, infrared lamp plates, and two massage heads, such that the two massage heads perform kneading-based massage; the first transmission member drives at least a third transmission member; and the at least a third transmission member drives an eccentric cam connected to an eccentric spindle and a lever weight for pulling the massage head support to perform percussion, thereby allowing the two massage heads to perform percussion-based massage.

Abstract: A wearable thorax percussion device for dislodging mucous buildup in the airways of a human patient, the device comprising frame elements and electromechanical actuators retained by the frame elements to intermittently percuss the thorax, and an electronic controller and power source for generating and modulating an electrical signal to energize the actuator. The frame elements may be interconnected by a garment, or fasteners and elastic or adjustable strapping.

Abstract: A wearable thorax percussion device for dislodging mucous buildup in the airways of a human patient, the device comprising a garment fitting over the thorax, a rigid element attached to the external surface of the garment, an electromechanical actuator retained by the rigid element to intermittently percuss the thorax, and an electronic controller for generating and modulating an electrical signal to energize the actuator. The rigid element may be adjustably positioned on the garment to accommodate thoraxes of different dimensions. The actuator may be compressible between the rigid element and the thorax to better maintain contact with the thorax.

Abstract: A percussive massager is provided with a housing, a cushion, a percussive drive unit having a massage head with four spaced apart massage nodes, and a cover surrounding the massager. The nodes diametrically extend outwardly or upwardly from the exterior cushion surface to effect a rhythmic percussion to a user. The cover has at least two apertures through which the nodes protrude, and a flap extending over at least two of the massage nodes. The flap has a fastener to allow for removal of the flap from the cover. A percussive massager is also provided with a motor housing, a motor with a rotary output shaft, an elongated flexible rocker arm pivotally connected to the motor housing, and a massage node connected to an end region of the rocker arm. The flexible rocker arm deflects to provide compliance when the node contacts a massage surface.

Abstract: The physical therapy tools, systems, kits and methods described herein may be used to apply gentle, passive and progressive amounts of pressure (including numerous repetitions of small movements) to achieve therapeutic mobilization of a spinal joint. The tools described herein may include a plurality of pads and actuators, where the pressure within each actuator is controlled so that a continuously varying pressure may be applied to mimic the pressure applied by human hands. These tools may also include a controller and one or more user inputs. The physical therapy tools may be operated at different operating modes (e.g., continuously varying pressure modes, step-pulse high frequency modes, step-pulse low frequency modes) for treating a subject's spine, and may be part of a system or kit. Methods of treating a subject using these physical therapy tools are also described herein.

Abstract: Apparatuses for passive muscle loosening and rehabilitation are described. The apparatuses are assigned for patients who suffer from limited range of motion, stiffness, pain, inflammation, and dysfunction caused by muscles that have become tight, hard, stiff, and contracted due to over use, excessive exercise, repetitive motions, and a life time of usage, as well as other users who desire to keep their muscles loose. The operation principle of the apparatus is based on peg pressing during which pegs extend out of corresponding openings in the apparatus housing and put pressure on a desired part of human body, thereby providing muscle loosening in this part of human body. Different embodiments provide different ways of driving the pegs to extend out of the apparatus housing.

Abstract: Apparatus and method for loosening and rehabilitating muscles including reciprocating at least two rows of at least four in-line extensions each row, against the weight of at least a portion of a body, the extensions preferably of a diameter of approximately three quarters of an inch, having a rounded top and separated by approximately one and a half inches.

Abstract: An automatic back patter includes a main body, a power source, a striking disc, at least one transmitting arm, and at least patter head. The power source, the striking disc, and the transmitting arm (or arms) are installed in the main body, with the transmitting arm connected to the striking disc at one end and connected to the patter head at the other end. The patter head is fitted in an opening provided in an upper wall of the main body. Then when the power source is started, the patter head is moved up and down by the transmitting arm that is moved up and down by rotation of the striking disc rotated by the power source. When the patting head is moved up and down, it protrudes out of the opening of the main body to pat continuously and regularly the body surface of a user, whose blood circulation may be invigorated, preventing the user from getting bedsores.

Abstract: A patting device includes a case for containing other structures; a motor disposed in the case for rotation; a power source installed in the case to provide power to the motor; a transmission structure connected to an output shaft of the motor to transmit power of the motor; and a patting structure at least comprising a turntable connected to and driven by the transmission structure, wherein the turntable includes a protruding block disposed off-axis with respect to the turntable, and a ring body is disposed around the protruding block and connected with a patting bar extending out of the case. Hence, the power of the motor is transmitted through the transmission structure to the patting structure; when the turntable rotates, the off-axis placement of the protruding block drives the patting bar to move back and forth to let the patting bar pat the human body to provide health care effects.

Abstract: An impact head for a chiropractic adjustment tool or tapper that is easy to install, remains stable during lateral movements and easily exchangeable. The impact head comprises a central bore having a bore diameter disposed in the impact head at the attachment end, an annular slot concentrically disposed and parallel to the impact head central bore extending into the impact head from the attachment end of the impact head. The impact head is then attached to a reciprocating rod having a rod center bore and an annular reciprocating rod insert end wherein the reciprocating rod attaches by inserting the reciprocating rod insert end into the annular slot of the impact head and in a central insert having an insert diameter inserted into the impact head central.

Abstract: A foot massage apparatus comprises: a housing (5); a pair of replaceable footprint plates (4) with holes (40) arranged according to a particular foot massage pattern, which are placed on an upper plate (51) of the housing (5); protrusions (2; 3) protruding from the holes (40) of each replaceable footprint plate (4); a vertical adjustment mechanism provided in the housing (5), for adjusting the height of the protrusions (2; 3); a horizontal adjustment mechanism provided in the housing (5), for adjusting the horizontal position of the protrusions (2; 3); and a driving mechanism provided in the housing (5), for driving the protrusions (2; 3) to move up and down cyclically. The foot massage apparatus of the present invention has the advantages of enhancing a particular bodily function and fitting different foot sizes.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: A therapeutic article is provided which includes an enclosure containing at least a single structure for overlaying a pressure point, and a viscous fluid substantially surrounding the at least a single structure. The at least a single structure is free to be selectively positionable within the viscous fluid, and along a length and width of the elongate enclosure. The viscous fluid is suited for selectively heating or chilling in furtherance of therapy enhancement. The article is further adapted for use as a wrap structure for affixation about an body portion for receipt of therapy.

Abstract: A chiropractic adjusting instrument comprising a housing; a thrust nose piece and an impact head to contact a body; a preload switch plunger; a dampening spring; a solenoid having a core; a preload spring; a recoil spring; an electronic pulse system operatively connected to a power source to provide alternating current for energizing the solenoid to impart impulse energy from the core to the thrust nose piece which is reproducible and independent of the power source; and a trigger system for triggering the electronic pulse system comprising an switch activated by the preload switch plunger. Preferably, the chiropractic adjusting instrument includes one or more of the following: an intelligent universal AC power converter; optimized force-time waveform; pulse mode operation; and a suite of electromechanical components designed to promote reproducible dynamic force impulses and safe operation.

Abstract: A percussive massager is provided having a housing supporting a motor having an output shaft rotatably driven thereby. At least one positioning member is movably connected to a percussion arm which is attached to the housing and operably connected to the motor output shaft. At least two massage nodes are operably connected to the percussion arm, one of which being attached to the positioning member, to form a massage surface and move toward and away from the housing to provide a percussive massage effect. A rotary mechanism is rotatable with respect to the percussion arm and drives the positioning member toward and away from a central region of the housing. An ancillary transmission has an output and an input for operably imparting rotation to the rotary mechanism such that the spacing of the massage nodes progressively increases and decreases.

Abstract: The present invention discloses a hand-held body massager having a transverse housing with a massage region. A massage unit is oriented within the housing for parting a massage effect from the massage region. A pair of elongate arms are each pivotally connected to opposed ends of the housing with the massage region oriented therebetween. Each arm includes a handle to be grasped by a user so that the user may urge the massage region against a target surface of the user's body.

Abstract: A massager having a massaging head and a handle, the handle being arch-shaped having two ends connected to the massaging head with massaging function, characterized in that the massaging face at the bottom section of the massaging head is provided with a vibration beating section, rollers, radiation section and low frequency conducting head, the interior of the massaging head has a motor via a reciprocation device which is connected to an impaction base seat having protrusions so as to form the vibration beating section.

Abstract: The invention relates to a method of operating a percussive massage device for smoothing the skin and fat irregularities associated with any liposuction procedure including suction assisted lipectomy, ultrasonic assisted lipectomy, and direct lipectomy; improving the contour irregularities assisted with any liposuction procedure; preconditioning the skin and fat prior to any liposuction procedure to minimize blood vessel damage; removing scar tissue from patients who have recently undergone any liposuction procedure, and treating skin irregularities due to “cellulite”.

Abstract: The invention involves a massage device with moving massage cams. In order to achieve an especially good massaging kneading action of the cams, it is proposed here to provide the massage cams on the ends of oscillating rockers, which are arranged in at least one pair and next to each other, and which can be driven offset in phase from each other.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: An apparatus and method for treatment of constipation and/or effectuating the release of intestinal gases is provided. The apparatus includes a support member having at least one vibratory element attached to the support member. An actuator, which is operatively attached to the vibratory element, moves the vibratory element in a motion. The motion is operative to promote peristaltic movements of gastrointestines so as to ease constipation and to effectuate the release of gases in a patient.

Abstract: A massage device to be used pre-operatively, intra-operatively and post-operatively. The device that includes a housing with a base portion and a handle portion, a drive unit contained in the base portion of the housing; and a massage node operably connected to the drive unit by coupling means such that operation of the drive unit causes the massage node to provide a massage effect.

Abstract: The Hydrocussion Massager is a handheld electronic massager that uses both percussion and water pressure massage to give the user a great tool for therapeutic relaxation. The device is a handy easy-to-use tool that is easily connected to any showerhead or appropriate faucet. It uses three speeds of percussion massage and different levels of water pressure from a specially designed showerhead inside the massager. It is waterproof and cordless, but it is connected to a hose, which channels the water from a faucet into the massager.

Abstract: A chiropractic adjustment tool or tapper comprises a housing, the housing having an open end; a impact assembly disposed within the housing and secured thereto. The impact assembly comprises a reciprocating rod with adjustable travel and impact force. An impelling element such as a solenoid is provided to accelerate the reciprocating rod. Disposed on one end of the reciprocating rod is a coupler to permit multiple impact heads to be attached to the tool. The tool is further improved with the addition of a fan unit on a port in the housing and an exit port located on a distal end of the housing, preferably at a location such that air flow is across the impelling element, and any switch or circuitry to provide cooling and extend tool life.

Abstract: A massage device for creating a massaging action. The massage device may include at least two massaging projections mounted in relation to a flexible fluid supply conduit, such as a shower hose. The device may include a chamber for containing an impeller, and the fluid supply conduit may include an outlet for fluid to contact the impeller and cause the impeller to rotate. At least one weight is disposed in the head and is coupled to the impeller eccentric to a rotational axis of the impeller for moving the projection in an oscillatory motion, which creates the massaging action. The head may be supplied on a handle, or along the fluid supply conduit.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: A massage device for creating a massaging action using at least one oscillating device. The massage device may be formed from a handle and a head pivotably coupled to the handle. The head may include a first chamber for containing the oscillating device and a second chamber for containing an impeller for driving the oscillating device. The oscillating device may be fluid driven. The massaging device may also include one or more controls in the handle for controlling the action of the massage device.

Abstract: A spinal treatment table includes a head support, a leg support, and a contoured spinal support there between defined by separate support segments of different heights. The segments are supported within a frame and connected by a scissors hinge. A first end segment is anchored to the frame, and the other segments are movable longitudinally within the frame. A linear drive is connected to a second end segment. All the segments are moved by the same amount relative to adjacent segments whenever the second end segment is moved by the linear drive to adjust the length of the spinal support for supporting spines of different lengths. A spinal manipulation device is movable within a longitudinal slot in the spinal support for evenly applying therapy to the length of the spine. The spinal manipulation device may be a reciprocating device, a roller device, or a water jet device.

Abstract: An automatic massage device has a base panel, a transmission mechanism, and a rocking mechanism. The transmission mechanism has a motor, two gears, two generally S-shaped push plates, two driven shafts, and the motor having a first main shaft connected to a first worm and a second main shaft connected to a second worm. Each driven shaft passes through the corresponding generally S-shaped push plate, and the corresponding gear. The rocking mechanism has two rocking plates, two pivot shafts, two controlling plates, two expansion springs, two chucks, two roller wheels, and two platforms. Each expansion spring is connected to the base panel and the corresponding controlling plate. Each driven shaft passes through the corresponding rocking plate, and the corresponding controlling plate. Each roller wheel is disposed on a bottom of the corresponding rocking plate.

Abstract: A massaging device includes a motor, and a rotatable head attached to the motor. A hinged handle is attached to the motor for providing an adjustable grip. Resilient beaters are arranged radially around the head. The beaters are respectively connected to keys by narrowed necks. The keys are detachably secured in longitudinal slots on the head, so that the beaters are detachable from the head. When the head is set spinning by the motor, the beaters are rotated for massaging the body to relax muscles or reduce cellulite. The beaters are easily removable from the slots for exchanging them with replacement beaters. Each beater is comprised of a resilient core, such as foam, completely enclosed by a flexible non-tacky cover, such as a neoprene or vinyl sheet. Although many resilient materials, such as foam, tend to be sticky enough to grab hair if exposed, the beaters do not grab hair because the resilient cores are completely enclosed by the non-tacky covers.

Abstract: The Hydrocussion Massager is a handheld electronic massager that uses both percussion and water pressure massage to give the user a great tool for therapeutic relaxation. The device is a handy easy-to-use tool that is easily connected to any showerhead or appropriate faucet. It uses three speeds of percussion massage and different levels of water pressure from a specially designed showerhead inside the massager. It is waterproof and cordless, but it is connected to a hose, which channels the water from a faucet into the massager.

Abstract: A massage device to be used pre-operatively, intra-operatively and post-operatively. The device that includes a housing with a base portion and a handle portion, a drive unit contained in the base portion of the housing; and a massage node operably connected to the drive unit by coupling means such that operation of the drive unit causes the massage node to provide a massage effect.

Abstract: A chiropractic adjustor apparatus having an electromagnetic drive mechanism connected to an actuating means which causes a shaft to reciprocate. The reciprocating shaft is used to apply pressure or force directly to the spinal vertebrae of a body. The improvements of this device include a variable-controlled switch to enable the user to change the frequency of the reciprocation; a thermal cut-off switch that automatically turns off the power to the electromagnetic drive mechanism so that the device will stop reciprocating; and a suite of structures that work together to resist rotation when the device is in use.

Abstract: A chiropractic percussor apparatus includes a main housing adapted to be held by a user, an electric motor mounted in the main housing and having a rotary output shaft extending therefrom, an extension housing attached to an end of the main housing and extending outwardly therefrom and having an outer end defining an opening, an elongated push rod eccentrically mounted at an inner end on the rotary output shaft of the electric motor and extending through the extension housing to an outer end of the push rod having a central hole, a flexible coupler assembly supported by the outer end of the extension housing and coupled to the outer end of the push rod so as to permit the outer end of the push rod to undergo reciprocal lengthwise movement and wobbling side-to-side movement relative to the outer end of the extension housing, and a percussion-applying head assembly only centrally attached to the outer end of the push rod at the central hole therein.

Abstract: A massage device includes a main body provided with a supporting groove in which a calf of a leg can be disposed, a sliding member slidably inserted into the main body, and a first massager for massaging the calf. The first massager is installed on a rear side of the supporting groove and includes an electric motor, a power transmission device for converting a rotational motion of the motor into a reciprocal motion, and a first massage member for massaging the calf while moving along the supporting groove. The first massage member is fixed on the power transmission device.

Abstract: A massaging apparatus enabled to provide sufficient treatment effects by stimulating the Keiketsu (or the effective spots) in the Eastern Medical Science effectively. The massaging apparatus comprises: memory devices recorded with treatment contents indicating effective point positions to be massaged according to a treatment course and massage actions to be applied to the effective spot positions; and control devices for causing the massage member to massage the effective spot positions of the body of the using person in accordance with the treatment contents recorded in the memory devices. The massaging apparatus further comprises: treatment course select devices for selecting the treatment course.

Abstract: A percussive massager is provided having a housing supporting a motor having an output shaft rotatably driven thereby. At least one positioning member is movably connected to a percussion arm which is attached to the housing and operably connected to the motor output shaft. At least two massage nodes are operably connected to the percussion arm, one of which being attached to the positioning member, to form a massage surface and move toward and away from the housing to provide a percussive massage effect. A rotary mechanism is rotatable with respect to the percussion arm and drives the positioning member toward and away from a central region of the housing. An ancillary transmission has an output and an input for operably imparting rotation to the rotary mechanism such that the spacing of the massage nodes progressively increases and decreases.

Abstract: A chiropractic adjustor apparatus having an electromagnetic drive mechanism connected to an actuating means which causes a shaft to reciprocate. The reciprocating shaft is used to apply pressure or force directly to the spinal vertebrae of a body. The improvements of this device include a variable-controlled switch to enable the user to change the frequency of the reciprocation; a thermal cut-off switch that automatically turns off the power to the electromagnetic drive mechanism so that the device will stop reciprocating; and a suite of structures that work together to resist rotation when the device is in use.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a set pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: A percussive massager is provided having a housing including a massage head portion and a handle portion, and a motor support unit affixable within the massage head portion. A motor is supported by the motor support unit, and an output shaft rotatably driven by the motor protrudes from the motor on either side thereof. The massager further includes a pair of vertical connecting rods each having a first end and a second end, wherein the first ends are operably connected to the output shaft such that rotation of the output shaft causes the connecting rods to reciprocate axially in an asynchronous manner. A rocker arm is attachable to the motor support unit at a central pivot axis thereof, wherein the rocker arm is operably connected to the second ends of the connecting rods and is moved about the central pivot axis by rotation of the output shaft.

Abstract: A massage device for massaging back and/or feet of a user consists of groups of massaging elements connected together so that the elements of each group move together to execute a recurrent motion and press against a resilient surface in contact with the user. The elements in each group are able to move independently of the other groups and the elements are arranged in parallel rows with the massaging elements of each row staggered along the row with respect to the massaging elements of an adjacent row.

Abstract: A hand-held massager having a flat vibrating massage head and a pair of percussion massage nodes all being driven by a single internal drive unit. The percussion massage nodes are adjustable for width adjustments being manually controlled by the flat massage head on the opposite side of the massage head. Separate push button controls covered by a sealing membrane are carried on the body of the unit to control power, speed and type of massage.

Abstract: A hand-held massager having a flat vibrating massage head and a pair of percussion massage nodes all being driven by a single internal drive unit. The percussion massage nodes are adjustable for width adjustments being manually controlled by the flat massage head on the opposite side of the massage head. Separate push button controls covered by a sealing membrane are carried on the body of the unit to control power, speed and type of massage.