US20100289311A1 - Core moving fitness chair - Google Patents

Core moving fitness chair Download PDF

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Publication number
US20100289311A1
US20100289311A1 US12/812,026 US81202609A US2010289311A1 US 20100289311 A1 US20100289311 A1 US 20100289311A1 US 81202609 A US81202609 A US 81202609A US 2010289311 A1 US2010289311 A1 US 2010289311A1
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United States
Prior art keywords
core
stroke
moving
motor
chair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/812,026
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English (en)
Inventor
Jae Hun SHIM
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Individual
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Individual
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Priority claimed from PCT/KR2009/000022 external-priority patent/WO2009088186A2/ko
Publication of US20100289311A1 publication Critical patent/US20100289311A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair

Definitions

  • the present invention relates to a core-moving health chair, and more particularly to a core-moving health chair in which a portion of an area, upon which a user's weight rests, is set as a moving core region, and the moving core region is mechanically moved, so as to allow a part of a user's body to become free from compression under the user's weight or to be in a low pressure state.
  • the area of the core-moving health chair, upon which the user's weight rests includes at least one area of a seat, a back, and a foothold of the chair.
  • chairs are the oldest form of furniture formed by attaching legs to a seat on which a person sits.
  • various chairs such as a simple chair with only a seat, a chair with a back, an armchair, and a chair with a foothold.
  • people tends to spend a longer time sitting on chairs at home, in an office, a rest room, a restaurant, or a vehicle than they spend standing or walking.
  • a person sitting on a chair gets enough rest with leaning against the chair, but as an office worker continues to spend a long time each day in a sitting posture, a blood circulation disorder is generated from a part of a body where the weight of the worker is concentrated and the body of the worker is stiffened in a limited posture, thereby damaging health.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a core-moving health chair which induces a change in pressure at a portion of an area upon which a user's weight rests, while the user sits on the chair.
  • a core-moving health chair including an outer sheet being one divided portion of an area of the chair upon which user's weight rests and thus to which pressure is applied an inner sheet disposed at the inside of the outer sheet and being another divided portion of the area of the chair upon which the user's weight rests and thus to which the pressure is applied, an outer frame being a portion of a main frame to support the outer sheet, an inner frame separated from the outer frame to support the inner sheet, and assembled with a core-driving unit so as to be movable, and a driver attached to the outer frame and assembled with the inner frame by a coupling lug to move the inner sheet to the outside of the outer sheet through a first stroke and to move the inner sheet to the inside of the outer sheet through a second stroke.
  • the core-moving health chair in accordance with the present invention induces a change in pressure at a portion of an area upon which user's weight rests while the user sits on the chair.
  • the change in pressure means a higher or lower pressure than the normal pressure under the condition that a user sits on the chair.
  • the core-moving set of the core-moving health chair is applied to at least one area of a seat area, a back area, and a foothold area of a chair.
  • the core-moving health chair adjusts the height of the inner sheet to be higher or lower than that of the outer sheet, and the core driver is driven by driving force of a motor and thus drives the inner sheet when the user leans against the chair, thereby changing pressure of a part of a user's body contacting the chair and compressed under the user's weight and thus assisting blood circulation of the part of the user's body and promoting health.
  • the core-moving health chair in accordance with the present invention may be applied to an office chair so as to be driven during office work, or may be applied to a resting chair so as to reduce fatigue during rest, thus promoting health.
  • FIG. 1 is a view illustrating the simplest configuration of a core-moving health chair in accordance with the present invention
  • FIG. 2 is a view illustrating a chair on which one or more core-moving sets are installed
  • FIG. 3 is a view illustrating a configuration of the core-moving set
  • FIG. 4 is a view illustrating a configuration of a hand-operated type core-moving set
  • FIG. 5 is a plan view illustrating division of an outer sheet and an inner sheet
  • FIG. 6 is a plan view of a partially opened outer sheet
  • FIG. 7 is a plan view of a driver including a crank and a crank rod
  • FIG. 8 is a longitudinal-sectional view of the driver including the crank and the crank rod;
  • FIG. 9 is one longitudinal-sectional view of a driver including a crank and a cam connected to each other;
  • FIG. 10 is another longitudinal-sectional view of the driver including the crank and the cam connected to each other;
  • FIG. 11 is a longitudinal-sectional view of a driver including a rack gear and a worm screw;
  • FIG. 12 is a transversal-sectional view of the driver including the rack gear and the worm screw.
  • FIG. 13 is a block diagram of a controller of the driver including the rack gear.
  • the present invention provides the core-moving health chair.
  • chairs to which a core-moving operation is applied include a sofa and a bed in addition to a simple chair.
  • a seat area of the chair, upon which a user's weight rests and thus to which pressure is applied, is divided into an outer sheet region and an inner sheet region and the inner sheet region, i.e. a portion of the area, upon which the user's weight rests, is defined as a core and becomes independent of the outer sheet region, thereby forming an outer sheet and an inner sheet (the core) physically separated from each other.
  • the present invention provides the core-moving health chair in which the core is mechanically driven by a core driver in order to change pressure of the inner sheet, i.e. the portion of the seat area, upon which the user's weight rests, while the user sits on the chair.
  • a first stroke of the core driver is an operation of moving the inner sheet located at the inside of the outer sheet to the outside of the outer sheet (i.e. above the outer sheet), and a second stroke of the core driver is an operation of moving the inner sheet located at the outside of the outer sheet to the inside of the outer sheet (i.e. below the outer sheet).
  • the core-moving health chair in accordance with the present invention includes an outer sheet 100 which is a portion of an area upon which user's weight rests and thus to which pressure is applied, an inner sheet 200 , disposed at the inside of the outer sheet 100 , which is another portion of the area upon which the user's weight rests and thus to which the pressure is applied, an outer frame 110 being a portion of a main frame 107 to support the outer sheet 100 , an inner frame 210 separated from the outer frame 110 to support the inner sheet 200 and assembled with a core-driving unit, and a driver attached to the outer frame 110 and provided with a coupling lug 315 assembled with the inner frame 210 to achieve the first stroke defined as the operation of moving the inner sheet 200 to the outside of the outer sheet 100 or to achieve the second stroke defined as the operation of moving the inner sheet 200 to the inside of the outer sheet 100 .
  • a core driver 211 including a crank mechanism drives the inner sheet 200 along the first stroke and the second stroke.
  • a driving motor of the driver 211 is a speed reduction motor 212 .
  • a crank 214 at one end of a driving shaft 213 is driven along an orbit of revolution of an orbital diameter 216 of a crank pin 215
  • a crank rod 217 is assembled with a coupling lug 218
  • a slider 219 supported by a guide 219 a is driven along the first stroke and the second stroke within the distance of the orbital diameter 216
  • operation of the slider 219 drives the inner sheet 200 along the first stroke and the second stroke.
  • a seat panel 104 In the core-moving health chair, as shown in FIG. 2 , three areas upon which user's weight rests and thus to which pressure is applied are set to a seat panel 104 , a back panel 105 , and a foothold panel 106 .
  • the outer sheet 100 and the inner sheet 200 divided from each other and physically independent of each other are installed, and a driver 300 is connected to the inner sheet 200 so as to drive the inner sheet 200 along the first stroke and the second stroke.
  • a driver 300 is connected to the inner sheet 200 so as to drive the inner sheet 200 along the first stroke and the second stroke.
  • a back posture adjusting device 105 a is provided on the back panel 105 so as to assemble a back frame to the main frame of the chair to adjust a slope of the back panel 105 .
  • a foothold posture adjusting device 106 a is provided on the foothold panel 106 so as to assemble a support 106 b of the foothold panel 106 with the main frame of the chair to adjust a posture of the foothold panel 106 .
  • the core-moving health chair of FIG. 2 respectively driving the cores installed at portions of the three areas, to which pressure is applied in the used state of the chair, along the first stroke and the second stroke repeatedly induces changes in pressure at three parts of a user's body compressed under the user's weight, thereby reducing fatigue due to use of the chair for a long time and preventing diseases from occurring due to use of the chair for a long time.
  • FIG. 3 illustrates a detailed configuration of a core-moving device.
  • Reference numeral 180 is any one area of a seat area, a back area, and a foothold area of the chair, upon which a user's weight rests when a user sits on the chair and thus to which pressure is applied.
  • the area 180 is divided into a ring-shaped outer sheet region 181 and an inner sheet region 182 , and the inner sheet region 182 , i.e. a portion of the area, upon which the user's weight rests, is defined as a core which becomes independent of the outer sheet region 181 , thereby forming the outer sheet 100 and the inner sheet 200 physically separated from each other.
  • the inner sheet 200 is substantially received within an inner space part 110 b of the outer sheet 100 , and is protected by a diaphragm 110 a or a structure performing a role corresponding to the diaphragm 110 a .
  • the driver 300 is attached to the outer frame 110 .
  • the inner frame 210 and the driver 300 is connected by assembling a coupling lug 210 a and a coupling lug 315 with each other, and thus the driver 300 drives the inner frame 210 along the first stroke and the second stroke of the driver 300 .
  • the coupling lug 210 a and the coupling lug 315 are assembled with each other through various methods, such as using a nut and a bolt, using a band, by welding, and through other methods.
  • the inner sheet 200 In order to change pressure of the inner sheet 200 which is a portion of the area 180 upon which the user's weight rests, the inner sheet 200 , i.e. the core is driven by the driver 300 .
  • the first stroke of the core driver 300 moves the inner sheet 200 at the inside of the outer sheet 100 to the outside of the outer sheet 100 and thus increases the pressure of the core above that of the outer sheet 100
  • the second stroke of the core driver 300 moves the inner sheet 200 at the outside of the outer sheet 100 to the inside of the outer sheet 100 and thus decreases the pressure of the core below that of the outer sheet 100 .
  • a moving distance of the core necessary for the change in pressure during the first stroke and the second stroke is a distance 316 of a diameter of an orbit of revolution of a crank pin of the driver 300 .
  • FIG. 4 illustrates a simple hand-operated type core-moving device.
  • a distance of the first stroke and the second stroke is not set to a designated distance.
  • the inner sheet 200 is physically separated from the outer sheet 100 .
  • the outer sheet 100 is attached to the outer frame 110 .
  • the inner sheet 200 is rotatably attached to the inner frame 210 within the inner space part of the outer sheet 100 .
  • a lifting nut 150 is installed on the outer frame 110
  • a lifting screw 250 is installed on the inner frame 210 .
  • the lifting screw 250 is connected with the lifting nut 150 .
  • the lifting screw 250 is rotated on the lifting nut 150 , and then the inner sheet 200 placed at the inside of the outer sheet 100 moves to the outside of the outer sheet 100 .
  • the inner sheet 200 moves to the inside of the outer sheet 100 .
  • Such a core-moving operation of the chair adjusts the location of the inner sheet 200 relative to the outer sheet 100 , thereby enabling pressure distribution of a portion of the seat of the chair, which the user's body contacts or to which pressure is applied, to be adjusted in compliance with the user's intension.
  • the hand-operated type core-moving device as shown in FIG. 4 , may be replaced with various devices known in machinery and instrument fields.
  • FIG. 5 illustrates one example of division of an area into an outer sheet and an inner sheet in the core-moving device.
  • the area 180 upon which a user's weight rests under the condition that user sits on the chair and thus to which pressure is applied constitutes a portion of the outer sheet 100 , as shown in a circle expressed by a dotted line. In other words, the area 180 upon which the user's weight rests and thus to which pressure is applied is included in the outer sheet 100 .
  • the outer sheet 100 is formed in a ring shape.
  • the inner sheet 200 is physically separated from the outer sheet 100 .
  • FIG. 6 illustrates another example of division of an area into an outer sheet and an inner sheet in the core-moving device.
  • the outer sheet 100 including an area upon which a user's weight rests under the condition that user sits on the chair and thus to which pressure is applied, is provided with a forward opening part 100 a opened forwardly, and the inner sheet 200 is fitted into the outer sheet 100 .
  • the outer sheet 100 provided with the forward opening part 100 a serves to protect a part of an organ of the user's body from pressure when the user sits on the chair.
  • FIGS. 7 and 8 illustrate a detailed configuration of a driver having the first stroke and the second stroke in accordance with the present invention.
  • the driver 300 is a driver including a crank.
  • the driver 300 includes a housing 310 attached to the outer frame 110 by a flange 311 , a slider 312 supported by the housing 310 so as to be vertically movable, a slider rail 313 allowing the slider 312 to be supported by the housing 310 such that the slider 312 is vertically movable, a housing inner space part 314 to receive the rail 313 and the slider 312 , a coupling lug 315 to assemble the slider 312 with the inner frame 210 , a reduction geared motor 320 attached to the housing 310 such that a driving shaft 323 is placed in the housing inner space part 314 , a crank 324 provided on the driving shaft 323 of the geared motor 320 , and a crank rod 327 to connect the crank 324 and a lug 312 a of the slider 312 with pins 325 and 326 .
  • the driving shaft 323 rotates the crank 324 .
  • a circular movement of the crank pin 326 along an orbit of revolution according to the rotation of the crank 324 drives the pin 325 at the outer end of the crank rod 327 .
  • the slider 312 is subject to the slider rail 313 and thus has properties of a rectilinear movement, and is assembled with the crank rod 317 with the lug 312 a and the pin 325 and thus is linked with the movement of the crank 324 .
  • Such a slider 312 driven by the crank 324 is operated to perform the first stroke when the slider 312 moves to the outside of the housing 310 , and is operated to perform the second stroke when the slider 312 moves to the inside of the housing 310 .
  • FIGS. 9 and 10 illustrate a detailed configuration of another driver having the first stroke and the second stroke in accordance with the present invention.
  • the driver 301 is a driver including a cam.
  • the driver 301 includes a housing 310 attached to the outer frame 110 by a flange 311 , a slider 312 supported by the housing 310 so as to be vertically movable, a slider rail 313 allowing the slider 312 to be supported by the housing 310 such that the slider 312 is vertically movable, a housing inner space part 314 to receive the slider rail 313 and the slider 312 , a coupling lug 315 to assemble the slider 312 with the inner frame 210 , a reduction geared motor 320 attached to the housing 310 such that a driving shaft 323 is placed in the housing inner space part 314 , a crank 324 provided on the driving shaft 323 of the geared motor 320 , a cam hole 330 formed through the slider 312 and elongated perpendicularly to the moving direction of the slider 312 , and a cam pin 331 installed on the crank 324 to revolve on the driving shaft 323 and fitted into the cam
  • the driving shaft 323 rotates the cam pin 331 within the cam hole 330 .
  • the slider 312 is subject to the slider rail 313 and thus has properties of a rectilinear movement. Therefore, the slider 312 is operated to perform the first stroke when the slider 312 moves to the outside of the housing 310 , and is operated to perform the second stroke when the slider 312 moves to the inside of the housing 310 .
  • the drivers 300 and 301 are suitable for an operation in which the first stroke and the second stroke are repeated.
  • a repetition period of the first stroke and the second stroke is set to no more than 600 times per minute.
  • the repetition period is set to 1 to 240 times per minute.
  • the repetition period is preferably set to 1 time per minute.
  • the repetition period is preferably set to 40 times per minute. If temporary massage is necessary, the repetition period may be selected from within the range of 40 to 600 times per minute.
  • the motor 320 a geared motor enabling speed control according to the purpose of the chair is preferably used.
  • a position detection unit 350 is installed on the driving shaft 323 of the motor 320 . If the position detection unit 350 is installed on the driving shaft 323 , the position detection unit 350 controls driving of the motor 320 through the program, and thus stops the operation of the motor 320 at the end of the first stroke and the end of the second stroke, thereby being capable of fixing the inner sheet 200 . Further, the inner sheet 200 may be fixed to a designated position of the first stroke and a designated position the second stroke according to an installation position of the position detection unit 350 .
  • the position detection unit 350 detects an arrangement state of the crank 324 and the crank rod 327 on a straight line and stops the driving of the motor 320 at this position, the inner sheet 200 is fixed.
  • FIGS. 8 and 9 respectively illustrate examples of installation of the position detection unit 350 on the driving shaft 323 using microswitches.
  • the position detection unit 350 includes a moving pin 351 attached to the driving shaft 323 and contacting microswitches to change states of the switches, and two microswitches 352 and 353 disposed around the driving shaft 323 of the motor 320 at a straight angle so as to contact the moving pin 351 to perform a switching operation. If one microswitch 352 is installed such that the moving pin 351 operates the microswitch 352 at the uppermost position of the crank 324 and the other microswitch 353 is installed such that the moving pin 351 operates the microswitch 353 at the lowermost position of the crank 324 , a micom controller provides a signal representing an end point of the first stroke and a signal representing an end point of the second stroke as signals of the switches 352 and 353 . If the microswitches 352 and 353 are installed at changed positions, the controller provides a position of a regular middle point of the first stroke and the second stroke.
  • the position detection unit 350 may use optical couplers and magnetic sensors in addition to the microswitches 352 and 353 .
  • FIGS. 11 and 12 illustrate a further driver.
  • the driver 400 drives the inner sheet 200 along the first stroke and the second stroke, and includes a rack gear.
  • the driver 400 includes a lifting supporter 410 attached to the outer frame 110 , a core lifting shaft 411 supported by the lifting supporter 410 so as to be vertically movable, a rack gear 430 installed on the lifting shaft 411 in the moving direction of the lifting shaft 411 , a worm screw 440 to vertically move the rack gear 430 according to a rotating direction thereof, a driving shaft 423 connecting the worm screw 440 to a motor 420 , the motor 420 driving the worm screw 440 in a first direction or a second direction through the driving shaft 423 , a moving pin 451 attached to the rack gear 430 to indicate a raised position or a lowered position of the rack gear 430 , and microswitches 452 and 453 installed at the upper end point of the first stroke and the lower end point of the second stroke to program a moving position of the rack
  • the driving shaft 423 rotates the worm screw 440 , the position of which is fixed, in the first direction.
  • the rotation of the worm screw 440 in the first direction raises the rack gear 430 together with the lifting shaft 411 slidably assembled with the lifting supporter 410 .
  • the raising of the rack gear 430 moves the moving pin 451 , and thus the moving pin 451 contacts the upper microswitch 452 and the upper microswitch 452 is operated.
  • the controller detects a signal of the upper microswitch 452 , and stops driving of the motor 420 .
  • the driving shaft 423 rotates the worm screw 440 in the second direction.
  • the rotation of the worm screw 440 in the second direction lowers the rack gear 430 together with the lifting shaft 411 slidably assembled with the lifting supporter 410 .
  • the lowering of the rack gear 430 moves the moving pin 451 , and thus the moving pin 451 contacts the lower microswitch 453 and the lower microswitch 453 is operated.
  • the controller detects a signal of the lower microswitch 453 , and stops driving of the motor 420 .
  • the raising of the rack gear 430 drives the inner sheet 200 together with the inner frame 210 attached to the lifting shaft 411 along the first stroke
  • the lowering of the rack gear 430 drives the inner sheet 200 together with the inner frame 210 attached to the lifting shaft 411 along the second stroke.
  • the inner sheet 200 is fixed at the position where the driving of the motor 420 is stopped.
  • the lifting supporter 410 may be manufactured separately from the outer frame 110 , and then assembled with the outer frame 110 . Further, in the driver 400 of FIG. 11 , the lifting supporter 410 may be manufactured separately from the inner frame 210 , and then assembled with the inner frame 210 .
  • the driver 400 may be used as a hand-operated inner sheet driver.
  • FIG. 13 illustrates a configuration of a drive controller.
  • the driver 400 including the rack gear 430 drives the inner sheet 100 , i.e. the core along the first stroke and the second stroke under the control of the drive controller of FIG. 13 .
  • the driver 300 or 301 including the crank 324 may achieve the first stroke and the second stroke repeatedly when driving current is supplied to the motor, even if the controller of FIG. 13 is not used. However, in order to control the operation of the driver 300 or 301 without the rack gear 430 through a program, control of the micom drive controller has to be used.
  • a controller 500 of a driver driving the inner sheet 200 along the first stroke and the second stroke includes a driving switch 512 on a control panel 511 connected to a micom (microcomputer) 510 , programmed for control, to transmit a drive start signal to the micom 510 , a display lamp 513 on the control panel 511 connected to the micom 510 to display a power state, a display unit 515 connected to the micom 510 to allow the micom 510 to display operating state data, and a motor driver 520 to supply driving current from a power supply unit 530 to the motor 420 according to a control signal, a microswitch 452 installed on the frame so as to be opened and closed through contact with the moving pin 451 and to provide a positional signal of the upper end of the first stroke to the micom 510 , and a microswitch 453 installed on the frame so as to be opened and closed through contact with the moving pin 451 and then provide a positional signal of the lower end of the second stroke to the micom 510 .
  • Step 0000 When power is supplied to the micom 510 , the micom 510 initializes a control program. The micom 510 switches on the display lamp 510 of the control panel 510 . The micom 510 allows the display unit 515 to display that the driver is now driven. The micom 510 monitors the state of the driving switch 512 of the control panel 511 , and, when the micom 510 obtains a switch-on signal of the driving switch 512 , performs Step 0001 .
  • Step 0001 The micom 510 controls the motor driver 520 such that current to drive the motor 420 in the first direction is supplied to the motor 420 , and monitors the upper microswitch 452 , and when the micom 510 obtains a switch-on signal of the upper microswitch 452 , performs Step 0002 . Further, the micom 510 monitors the driving switch 512 of the control panel 511 , and, when the micom 510 obtains the switch-on signal of the driving switch 512 , performs Step 0005 .
  • Step 0002 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 performs Step 0003 .
  • Step 0003 The micom 510 controls the motor driver 520 such that current to drive the motor 420 in the second direction is supplied to the motor 420 , and monitors the upper microswitch 452 , and when the micom 510 obtains the switch-on signal of the upper microswitch 452 , performs Step 0004 . Further, the micom 510 monitors the driving switch 512 of the control panel 511 , and, when the micom 510 obtains the switch-on signal of the driving switch 512 , performs Step 0006 .
  • Step 0004 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0001 .
  • Step 0005 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0001 .
  • Step 0006 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0003 .
  • the core-moving set was installed on a seat area of an office chair.
  • An area of the core i.e. the inner sheet is about 50% of an area of the outer sheet to which pressure is applied;
  • a distance of the first stroke and the second stroke of the inner sheet was 3 cm;
  • the core moving set of Example 1 was installed on a seat area and a back area of a sofa, respectively.
  • Example 1 The core moving set of Example 1 was installed on three areas of a resting chair below with a foothold:
  • crank-type driver 300 including components below was manufactured:
  • crank 324 provided on the driving shaft 323 of the geared motor 320 ;
  • crank and cam combination-type driver 301 including components below was manufactured:
  • crank 324 provided on the driving shaft 323 of the geared motor 320 ;
  • the position detection unit 350 including components below, provided on the driving shaft 323 , was further installed on the driver of Example 4:
  • the position detection unit 350 to detect an arrangement state of the crank 324 and the crank rod 327 on a straight line was used as a fixing unit of the inner sheet 200 .
  • the position detection unit 350 including components below, provided on the driving shaft 323 , was further installed on the driver of Example 5:
  • the position detection unit 350 to detect an arrangement state of the crank 324 and the crank rod 327 on a straight line was used as a fixing unit of the inner sheet 200 .
  • a repetition period of the first stroke and the second stroke in the chair of Example 1 was 30 times per minute.
  • the rack gear-type driver 400 including components below was manufactured:
  • Example 9 The assembly of the rack gear and the worm screw in Example 9 was used as a fixing unit of the inner sheet 200 .
  • the controller 500 of the driver 400 of Example 9 including components below was manufactured:
  • the microswitch 452 installed at the upper end point of the first stroke to provide positional data to the micom 510 ;
  • the microswitch 453 installed at the lower end point of the second stroke to provide positional data to the micom 510 ;
  • the micom 510 of the controller 500 of Example 11 was programmed so as to perform processing steps below:
  • Step 0000 After the micom 510 initializes a control program, when the micom 510 obtains the switch-on signal of the driving switch 512 , the micom performs Step 0001 ;
  • Step 0001 The micom 510 controls the motor driver 520 such that current to drive the motor 420 in the first direction is supplied to the motor 420 , and monitors the upper microswitch 452 , and when the micom 510 obtains a switch-on signal of the upper microswitch 452 , performs Step 0002 . Further, the micom 510 monitors the driving switch 512 of the control panel 511 , and, when the micom 510 obtains the switch-on signal of the driving switch 512 , performs Step 0005 ;
  • Step 0002 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 performs Step 0003 ;
  • Step 0003 The micom 510 controls the motor driver 520 such that current to drive the motor 420 in the second direction is supplied to the motor 420 , and monitors the upper microswitch 452 , and when the micom 510 obtains the switch-on signal of the upper microswitch 452 , performs Step 0004 . Further, the micom 510 monitors the driving switch 512 of the control panel 511 , and, when the micom 510 obtains the switch-on signal of the driving switch 512 , performs Step 0006 ;
  • Step 0004 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0001 ;
  • Step 0005 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0001 ;
  • Step 0006 The micom 510 controls the motor driver 520 such that supply of the current to drive the motor 420 is stopped, and monitors the driving switch 512 of the control panel 511 .
  • the micom 510 obtains the switch-on signal of the driving switch 512 , the micom 510 is fed back to Step 0003 .
  • the hand-operated inner sheet driving unit including components below was manufactured:
  • the hand-operated inner sheet driver in which the worm screw is moved by hand, including components below was manufactured:
  • the handle connected to the worm screw 440 so as to be rotated by hand to operate the worm screw 440 .
  • the core-moving health chair in accordance with the present invention induces a change in pressure at a portion of an area upon which user's weight rests while the user sits on the chair.
  • the change in pressure means a higher or lower pressure than the normal pressure under the condition that a user sits on the chair.
  • the core-moving set of the core-moving health chair is applied to at least one area of a seat area, a back area, and a foothold area of a chair.
  • the core-moving health chair adjusts the height of the inner sheet to be higher or lower than that of the outer sheet, and the core driver is driven by driving force of a motor and thus drives the inner sheet when the user leans against the chair, thereby changing pressure of a part of a user's body contacting the chair and compressed under the user's weight and thus assisting blood circulation of the part of the user's body and promoting health.
  • the core-moving health chair in accordance with the present invention may be applied to an office chair so as to be driven during office work, or may be applied to a resting chair so as to reduce fatigue during rest, thus promoting health.

Landscapes

  • Rehabilitation Tools (AREA)
  • Massaging Devices (AREA)
US12/812,026 2008-01-07 2009-01-05 Core moving fitness chair Abandoned US20100289311A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR1020080001645 2008-01-07
KR20080001645 2008-01-07
KR1020080129522 2008-12-18
KR1020080129522A KR101075114B1 (ko) 2008-01-07 2008-12-18 코어무빙 건강의자
PCT/KR2009/000022 WO2009088186A2 (ko) 2008-01-07 2009-01-05 코어 무빙 건강의자

Publications (1)

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US20100289311A1 true US20100289311A1 (en) 2010-11-18

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ID=41333837

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US12/812,026 Abandoned US20100289311A1 (en) 2008-01-07 2009-01-05 Core moving fitness chair

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US (1) US20100289311A1 (ko)
KR (1) KR101075114B1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101396920B1 (ko) 2012-09-11 2014-05-19 지연 링거주사 거치대용 의자
KR200468032Y1 (ko) * 2013-01-18 2013-07-17 노용우 요추보호장치
KR102012961B1 (ko) 2017-12-28 2019-08-21 (주)리라이브 바른자세 유지 및 케겔운동을 위한 스마트 방석

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US1980291A (en) * 1934-11-13 Barber chair or the like
US2427234A (en) * 1942-04-23 1947-09-09 Nathaniel T Shepherd Vertically adjustable seat
US2445158A (en) * 1946-04-18 1948-07-13 Sparhawk Frank Hospital bed
US3298363A (en) * 1963-07-12 1967-01-17 Parmac Corp Physiotherapy apparatus with adjustable body supporting members
US3529311A (en) * 1968-07-01 1970-09-22 N B Crawford Crib bouncer for tranquilizing infants
US3699288A (en) * 1971-03-08 1972-10-17 Dana Corp Speed responsive switch
US4340205A (en) * 1980-06-24 1982-07-20 Leezer Max L Lifting jack
US4513737A (en) * 1979-12-29 1985-04-30 Kenichi Mabuchi Beauty treatment device
US4557454A (en) * 1983-07-20 1985-12-10 Urella Anthony R Lift mechanism for a dental chair
US4827914A (en) * 1988-02-18 1989-05-09 Keitatsu Co., Ltd. Motorized vibrator with reciprocating motion
US5904660A (en) * 1997-04-28 1999-05-18 Kim; Yeon-Soo Physiotherapy and health improvement instrument
US5976097A (en) * 1994-07-14 1999-11-02 Jensen; Robert J. Dynamic continuous passive motion chair
US6070567A (en) * 1996-05-17 2000-06-06 Nissan Motor Co., Ltd. Individual cylinder combustion state detection from engine crankshaft acceleration
US20030195094A1 (en) * 2002-04-12 2003-10-16 Kim Ee Do Apparatus for training muscles in gonadal region
US20040012238A1 (en) * 2000-11-21 2004-01-22 Masaaki Zenba Seat pad for vehicle
US20060047225A1 (en) * 2002-11-18 2006-03-02 Kang Byung M Perineum muscular power increase device and a method thereof
US7578797B2 (en) * 2001-09-20 2009-08-25 Hazard Rowland G System for providing lumbar motion and support

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980291A (en) * 1934-11-13 Barber chair or the like
US1375652A (en) * 1917-07-30 1921-04-19 Joseph J Carlotti Therapeutic apparatus
US2427234A (en) * 1942-04-23 1947-09-09 Nathaniel T Shepherd Vertically adjustable seat
US2445158A (en) * 1946-04-18 1948-07-13 Sparhawk Frank Hospital bed
US3298363A (en) * 1963-07-12 1967-01-17 Parmac Corp Physiotherapy apparatus with adjustable body supporting members
US3529311A (en) * 1968-07-01 1970-09-22 N B Crawford Crib bouncer for tranquilizing infants
US3699288A (en) * 1971-03-08 1972-10-17 Dana Corp Speed responsive switch
US4513737A (en) * 1979-12-29 1985-04-30 Kenichi Mabuchi Beauty treatment device
US4340205A (en) * 1980-06-24 1982-07-20 Leezer Max L Lifting jack
US4557454A (en) * 1983-07-20 1985-12-10 Urella Anthony R Lift mechanism for a dental chair
US4827914A (en) * 1988-02-18 1989-05-09 Keitatsu Co., Ltd. Motorized vibrator with reciprocating motion
US5976097A (en) * 1994-07-14 1999-11-02 Jensen; Robert J. Dynamic continuous passive motion chair
US6070567A (en) * 1996-05-17 2000-06-06 Nissan Motor Co., Ltd. Individual cylinder combustion state detection from engine crankshaft acceleration
US5904660A (en) * 1997-04-28 1999-05-18 Kim; Yeon-Soo Physiotherapy and health improvement instrument
US20040012238A1 (en) * 2000-11-21 2004-01-22 Masaaki Zenba Seat pad for vehicle
US7578797B2 (en) * 2001-09-20 2009-08-25 Hazard Rowland G System for providing lumbar motion and support
US20030195094A1 (en) * 2002-04-12 2003-10-16 Kim Ee Do Apparatus for training muscles in gonadal region
US20060047225A1 (en) * 2002-11-18 2006-03-02 Kang Byung M Perineum muscular power increase device and a method thereof

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KR20090076777A (ko) 2009-07-13

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