EP2151225A1 - Relaxation apparatus - Google Patents

Relaxation apparatus Download PDF

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Publication number
EP2151225A1
EP2151225A1 EP09009997A EP09009997A EP2151225A1 EP 2151225 A1 EP2151225 A1 EP 2151225A1 EP 09009997 A EP09009997 A EP 09009997A EP 09009997 A EP09009997 A EP 09009997A EP 2151225 A1 EP2151225 A1 EP 2151225A1
Authority
EP
European Patent Office
Prior art keywords
rocking
frequency
relaxation
air pump
amplitude
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.)
Withdrawn
Application number
EP09009997A
Other languages
German (de)
English (en)
French (fr)
Inventor
Daisuke Morikawa
Tatsuya Takahashi
Yoshinari Nishimura
Akihiro Michimori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Electric Works Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Electric Works Co Ltd filed Critical Panasonic Electric Works Co Ltd
Publication of EP2151225A1 publication Critical patent/EP2151225A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0255—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame pivotally mounted in the base frame, e.g. swings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0251—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame driven by electric motors
    • 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
    • A61H2201/0103—Constructive details inflatable
    • 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 an apparatus for providing a user with a relaxing effect.
  • a conventional relaxation apparatus which provides a user seating on a chair-shaped body-supporting member with relaxing effect by rocking the user's body, is described in Japanese Patent Laid-open Publication No. 2003-250851 (hereinafter, referred to as the cited reference).
  • the relaxation apparatus in the cited reference has a rocking unit (i.e., the relaxation mechanism in the cited reference) which rocks a body-supporting member (i.e., the main body of the seating unit in the cited reference) back and forth and hence provides a user with a relaxing effect by the rocking motion.
  • This relaxation apparatus also has air bags in the left and right portions of the body-supporting member. The air bags, driven by an air pump, inflate and contract alternatively so that it is possible to roll a user to his/her left and right like a hammock or cradle, which can also provide its user with a relaxation effect.
  • the present invention provides a relaxation apparatus capable of giving an effective relaxation effect to a user by using the rocking motion of the user's body and the inflation and contraction of air bags.
  • a relaxation apparatus including a body-supporting unit for supporting a user's body, a rocking unit for rocking the body-supporting unit and a controller for controlling the rocking unit to rock the body-supporting unit, characterized in that : the body-supporting unit includes an airbag which is inflated to press the user's body or contracted in accordance with supply or exhaust of air by an air pump, and the controller controls the air pump to increase or decrease its output in accordance with an increase or decrease in at least one of frequency and amplitude of the rocking motion.
  • the controller may decrease at least one of the frequency and amplitude of the rocking motion and controls output of the air pump to decrease in accordance with the decreasing frequency and amplitude of the rocking motion.
  • the controller may control the rocking unit to impose fluctuations upon at least one of the frequency and amplitude of the rocking motion and the air pump to increase and decrease its output in accordance with the frequency and amplitude upon which the fluctuations are imposed.
  • the controller may control the air pump to increase the duration of air supply to the air bag in accordance with a decrease in the frequency of the rocking motion.
  • the body-supporting unit may include a seat portion on which a user can sit and a back portion attached to a rear of the seat portion, the back portion being reclinable about the rear of the seat portion, and when the back portion is reclined to a reclined state during the relaxation rocking, the controller may control at least one of a reclining speed and angle of the back portion to change stepwise in accordance with a decrease in at least one of the frequency and amplitude of the rocking motion.
  • reclining angle stands for at least one of the angle that the seat portion makes with the back portion during the reclining and a variation in the angle.
  • the controller may control the rocking unit and the air pump to perform, on a user in a relaxed state, a refresh rocking in which at least one of the frequency and amplitude of the rocking motion is increased to refresh the user in the relaxed state and the output of the air pump is increased in accordance with the increase in at least one of the frequency and amplitude of the rocking motion.
  • the controller may control the air pump such that its maximum output attained is higher during the refresh rocking than during the relaxation rocking.
  • the controller may control the air pump to decrease the duration of air supply to the air bags in accordance with an increase in the frequency of the rocking motion.
  • the body-supporting unit may include a seat portion on which a user can sit and a back portion attached to a rear of the seat portion, the back portion being reclinable about the rear of the seat portion, and when the back portion is being raised during the refresh rocking, the controller may control at least one of the rising speed and angle of the back portion to change stepwise in accordance with the increase in at least one of the frequency and amplitude of the rocking motion.
  • the term “rising angle” used herein stands for at least one of the angle that the seat portion makes with the back portion when the latter is raised and a variation in the angle.
  • the controller may control the amplitude of the rocking motion to increase or decrease in accordance with an increase or decrease in the frequency of the rocking motion.
  • the number of the air bag may be two or more, and the air bags have different capacities, and the controller may control the output of the air pump such that the air bags of different capacities apply a substantially same pressure to the user.
  • the relaxation apparatus gives an effective relaxation effect to a user by using the rocking motion of the user's body and the inflation and contraction of the air bags.
  • Fig. 1 shows a schematic configuration of a relaxation apparatus in accordance with an embodiment of the present invention.
  • the relaxation apparatus 10 includes a base 11 having a bottom portion 11a placed on a floor (not shown), a rocking mechanism 12 as a rocking unit provided to the base 11 and a body-supporting member 13 as a body-supporting unit driven by the rocking mechanism 12.
  • the rocking mechanism 12 has a motor 20, a reduction gear 21, a crank mechanism 22 and a plurality of, e.g., two, link members 23.
  • the motor 20 is provided on the bottom portion 11a of the base 11.
  • the operation of the motor 20 is controlled by a controller 24 provided on the bottom portion 11a of the base 11.
  • the reduction gear 21 is provided on the bottom portion 11a of the base 11.
  • the reduction gear 21 is operationally coupled with the motor 20 and serves to reduce the power of the motor 20.
  • the crank mechanism 22 has two connecting rods 22a and 22b, and converts the rotating motion of the reduction gear 21 into a large circular motion.
  • the base end of the connecting rod 22a is connected to and rotates with an output shaft of the reduction gear 21, while its leading end is ratatably connected to the base end of the connecting rod 22b.
  • the leading end of the connecting rod 22b is connected to the lower portion of a rectangular frame 25 to which the body-supporting member 13 is fixed.
  • the base 11 also has a support frame 11b protruded upward from the bottom portion 11a.
  • the base ends of the linkages 23 are rotatably connected to the upper portion of the support frame 11b at an interval, while their leading ends 22b are rotatably connected to the lower portion of the rectangular frame 25.
  • the linkages 23 rotate around their base ends and, therefore, the body-supporting member 13, fixed to the rectangular frame 25, can be rocked back and forth by the power delivered from the crank mechanism 22, like a rocking chair.
  • the movement path of the body-supporting member 13 from the rear to the front is referred to as a forward path and that from the front to the rear is referred to as a backward path.
  • the body-supporting member 13 of a chair shape includes a seat portion 30 which is fixed to an upper portion of the rectangular frame 25 so that they can move together, a back portion attached to the rear side of the seat portion 30 so that it can recline about the rear of the seat portion 30, an ottoman fixed at the front side of the seat portion 30 and two arm rests 33 fixed at both sides of the seat portion 30.
  • the back portion 31 can be reclined suitably by a reclining mechanism 34, which is controlled by the controller 24 as shown in Fig. 2 .
  • a pair of air bags 40 and 41 is provided corresponding respectively to the left and right shoulders of a user.
  • three air bags 42, 43 and 44 are arranged vertically corresponding to the back of a user.
  • two air bags 45 and 46 corresponding respectively to the left and right sides of the waist of a user.
  • Two air bags 47 and 48 are provided at the left and right sides in the seat portion 30 corresponding to the hip and thigh of a user.
  • the air bags 40 to 48 provided corresponding to respective body parts of a user are installed to be activated by an air pump 49 provided under the seat portion 30 via connecting hoses (not shown). The operation of the air pump 49 is controlled by the controller 24 so that the air bags 40 to 48 can be inflated and contracted.
  • a relaxation rocking of the body-supporting member 13 is carried out by driving the rocking mechanism 12 and a combination mode in which the relaxation rocking is carried out in combination with operation of the respective air bags 40 to 48 and reclining of the back portion 31.
  • a relaxation-rocking mode having a refresh effect a "relaxation rocking" is initiated to give a relaxation effect to a user for a predetermined period of time, after which the operation mode is switched from the "relaxation rocking" to "refresh rocking” until the operation mode ends.
  • Fig. 3 shows the variations of amplitude and frequency with time of the motion of the body-supporting member 13 driven by the rocking mechanism 12 in the relaxation-rocking mode.
  • ⁇ denotes the angle the back portion 31 makes with the seat portion 30.
  • the controller 24 controls the motor 20 to decrease the frequency of rocking of the body-supporting member 13 gradually, for example, from its initial value 0.35 Hz to the final 0.2 Hz in a piecewise manner by a decrement of 0.05 Hz until a predetermined time denoted by A in Fig. 3 .
  • the motor 20 is controlled to introduce fluctuations to the amplitude of the rocking motion.
  • the controller 24 drives the air pump 49 until the predetermined time A to inflate and contract the air bags 45 and 46 for the waist, for example.
  • the controller 24 controls the output of the air pump 49 to decrease in accordance with a decrease in frequency of the rocking motion; for example, an air pump is controlled to operate at duty ratios (output) of 100%, 90% and 80%, at frequencies of 0.35 Hz, 0.3 Hz and 0.25 Hz, respectively, as illustrated in Fig. 4 .
  • the controller 24 controls the motor 20 to generate fluctuations in the amplitude of the body-supporting member 13 at the minimum value of the frequency, 0.2 Hz in the present embodiment, and to continue the rocking motion in order to let the user rest in sleep in the relaxation state.
  • the controller 24 suspends the operation of the air pump 49 and the air bags 45 and 46 as well.
  • the controller 24 controls the motor 20 to increase the frequency of the rocking motion in a piecewise manner, for example, from 0.2 Hz to 0.3 Hz, 0.4 Hz and 0.6 Hz, in order to induce a user in the sleep (or relaxation) state to an awakened state.
  • the controller 24 controls the frequency change timings, for example, such that the frequency changes every ten round trips the rocking motion of the body-supporting member 13 makes. Further, the controller 24 controls the motor 20 such that the amplitude increases stepwise in synchronization with the frequency change timings.
  • the controller 24 drives the air pump 49 at rest to inflate and contract the air bags 45 and 46 for the waist, for example.
  • the controller 24 controls the output of the air pump 49 to increase in accordance with an increase in frequency of the rocking motion; for example, an air pump is controlled to operate at duty ratios (output) of 80%, 90% and 100%, at frequencies of 0.25 Hz, 0.3 Hz and 0.35 Hz, respectively, as illustrated in Fig. 5 .
  • the relaxation rocking is followed by a refresh rocking in the aforementioned embodiment, the relaxation rocking may be carried out alone without the refresh rocking.
  • the present invention is not limited to the above.
  • the controller 24 may control an air pump 49 such that, during a relaxation rocking, it attains duty ratios (output) of 90%, 80% and 70% at frequencies of 0.35 Hz, 0.3 Hz and 0.25 Hz, respectively, as illustrated in Fig. 6A , and, during a refresh rocking, it attains duty ratios (output) of 80%, 90% and 100% at frequencies of 0.25 Hz, 0.3 Hz and 0.4 Hz, respectively, as illustrated in Fig. 6B .
  • the air pump 49 is controlled such that its maximum output attained is higher during the refresh rocking (100%) than during the relaxation rocking (90%).
  • the rate of inflation of the air bags 40 to 48 is increased and the pressure in unit time imposed on a user becomes higher during the refresh rocking than during the relaxation rocking, which can effectively lead the user in a relaxation state to a state of being awakened.
  • the duty ratio (output) of the air pump 49 remains constant while the frequency of the rocking motion is held constant
  • the present invention is not limited thereto.
  • the air pump 49 may be controlled to operate at duty ratios (output) of 100%, 97% and 95%, respectively, for the large, medium and small air bags, during the rocking motion of a constant frequency (e.g., 0.35 Hz), imposing almost identical pressure in unit time on the user.
  • fluctuations are imposed on the amplitude of a rocking motion
  • the present invention is not limited thereto.
  • fluctuations may be imposed on the frequency of the rocking motion, instead, or on both the amplitude and frequency of the rocking motion.
  • the output of the air pump 49 may be controlled to increase or decrease in accordance with the frequency and amplitude of a rocking motion on which fluctuations are imposed.
  • the relaxation effect can be increased by imposing fluctuations on at least one of the frequency and amplitude of a rocking motion, and by changing (increasing or decreasing) the output of the air pump 49 in synchronization with the change in the fluctuations, so that a user can have an increased feeling of a relaxation motion, yielding a more effective relaxation effect.
  • the air pump 49 may be controlled to increase the duration of air supply to the air bags 45 and 46 in accordance with a decrease in the frequency of the rocking motion as illustrated in Fig. 6A .
  • the duration of a rocking motion of the body-supporting member 13 increases with the decrease in the frequency of the rocking motion and also does the duration of air supply to air bags 45 and 46, stimulations get a sufficient interval of application.
  • the output of the air pump 49 is decreasing, an effective relaxation effect can be obtained since the inflation rate of the air bags 45 and 46 is suppressed even if the duration of air supply to the air bags 45 and 46 is increased.
  • the air pump 49 may be controlled to decrease the duration of air supply to the air bags 45 and 46 in accordance with an increase in the frequency of the rocking motion as illustrated in Fig. 6B .
  • the duration of a rocking motion of the body-supporting member 13 decreases with the increase in the frequency of the rocking motion and also does the duration of air supply to air bags 45 and 46, stimulations are applied in a relatively short interval of time.
  • the output of the air pump 49 is increasing, an effective refresh effect can be obtained since the inflation rate of the air bags 45 and 46 is increased even if the duration of air supply to the air bags 45 and 46 is decreased.
  • the back portion 31 when the back portion 31 is reclined during the relaxation-rocking motion (between the start and the predetermined time A in Fig. 3 ) for example, it may be configured such that at least one of the reclining speed and angle of the back portion is controlled to change stepwise in accordance with a decrease in at least one of the frequency and amplitude of the rocking motion, where the angle of reclining, denoted by ⁇ , is defined as the angle the back portion 31 makes with the seat portion 30.
  • the reclining motion of the back portion 31 gets combined with at least one of the frequency and amplitude of the rocking motion and a user can obtain an improved feeling of relaxation with the increased feeling of motion.
  • the back portion 31 when the back portion 31 is raised during the refresh-rocking motion (after the predetermined time B in Fig. 3 ) for example, it may be configured such that at least one of the rising speed and angle of the back portion 31 is controlled to change stepwise in accordance with an increase in at least one of the frequency and amplitude of the rocking motion, where the angle, denoted by ⁇ , is defined as the angle the back portion 31 makes with the seat portion 30.
  • the rising motion of the back portion 31 gets comined with at least one of the frequency and amplitude of the rocking motion and a user obtains an improved feeling of refresh with the increased feeling of motion.
  • the air bags 45 and 46 are configured to inflate or contract by synchronizing the change in output of the air pump 49 with the change in frequency of the rocking motion.
  • the present invention is not limited to the above.
  • at least one of the air bags 40 to 44, 47 and 48 other than the air bags 45 and 46 may be inflated and contracted by the air pump 49.
  • the controller 24 controls the motor 20 to change the frequency of the rocking motion of the body-supporting member 13 (the rectangular frame 25) in a range from 0.35 Hz to 0.2 Hz.
  • controller 24 controls the motor 20 to change the frequency of the rocking motion of the body-supporting member 13 in other frequency bands for the relaxation-rocking motion.
  • the controller 24 controls the motor 20 to change the frequency of the rocking motion of the body-supporting member 13 (the rectangular frame 25) from 0.2 Hz to 0.35 Hz stepwise.
  • the frequency of the rocking motion of the body-supporting member 13 may be changed from 0.2 Hz to 0.35 Hz stepwise.
  • other frequency bands for the refresh-rocking motion may be used.
  • the controller 24 controls the motor 20 to increase the amplitude and frequency of the rocking motion in synchronization with each other. In a modified configuration, however, such synchronization is not necessary. In addition, either of the amplitude and frequency may be made to increase.
  • the controller 24 makes changes in control over the respective parts at times A and B.
  • a switch capable of changing the control of the respective parts by the controller 24 so that a user can selectively control the respective parts by using the switch as needed.
  • the body-supporting member 13 is configured to rock forward and backward, the present invention is not limited thereto.
  • the body-supporting member 13 may be configured to rock left and right, or in any combined direction of the left, right, forward and backward rocking motions.
  • the body-supporting member 13 has the shape of a chair in the embodiment described above, it may have other shapes, for example, a bed.

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  • Massaging Devices (AREA)
EP09009997A 2008-08-05 2009-08-03 Relaxation apparatus Withdrawn EP2151225A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008202111A JP4760872B2 (ja) 2008-08-05 2008-08-05 リラックス装置

Publications (1)

Publication Number Publication Date
EP2151225A1 true EP2151225A1 (en) 2010-02-10

Family

ID=41210799

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09009997A Withdrawn EP2151225A1 (en) 2008-08-05 2009-08-03 Relaxation apparatus

Country Status (2)

Country Link
EP (1) EP2151225A1 (ja)
JP (1) JP4760872B2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6670604B2 (ja) * 2015-06-08 2020-03-25 マクセルホールディングス株式会社 マッサージ機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005288013A (ja) * 2004-04-05 2005-10-20 Toshiba Tec Corp 椅子式マッサージ機
WO2007116561A1 (ja) 2006-03-31 2007-10-18 Family Co., Ltd. マッサージ機
WO2007119516A1 (ja) 2006-03-28 2007-10-25 Matsushita Electric Works, Ltd. マッサージ機
US20070273187A1 (en) 2006-05-26 2007-11-29 Matsushita Electric Works, Ltd. Massage chair
US20080048475A1 (en) 2006-08-28 2008-02-28 Matsushita Electric Works, Ltd. Chair type massager

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06209A (ja) * 1992-06-19 1994-01-11 Matsushita Electric Works Ltd リラックス・リフレッシュシステム
JPH0910268A (ja) * 1995-06-28 1997-01-14 Tec Corp 椅子式エアーマッサージ機
DE19743902C2 (de) * 1996-10-07 2002-06-27 Matsushita Electric Works Ltd Entspannungsvorrichtung
JP3571227B2 (ja) * 1998-09-18 2004-09-29 東芝テック株式会社 椅子式エアーマッサージ機
JP2001149164A (ja) * 1999-11-29 2001-06-05 Matsushita Electric Works Ltd リラックス装置
JP2002035066A (ja) * 2000-07-28 2002-02-05 Matsushita Electric Works Ltd マッサージ機
JP2003250851A (ja) * 2002-03-04 2003-09-09 Kyushu Hitachi Maxell Ltd マッサージ機
JP2005152260A (ja) * 2003-11-25 2005-06-16 Matsushita Electric Works Ltd マッサージ機
JP2005334361A (ja) * 2004-05-27 2005-12-08 Matsushita Electric Works Ltd マッサージ機
JP4457766B2 (ja) * 2004-06-14 2010-04-28 パナソニック電工株式会社 エアマッサージ機
JP4654754B2 (ja) * 2005-04-25 2011-03-23 パナソニック電工株式会社 マッサージ機
JP2007037832A (ja) * 2005-08-04 2007-02-15 Takeuchi Techno Co Ltd 睡眠促進用ベッド
JP4598713B2 (ja) * 2006-03-31 2010-12-15 ファミリー株式会社 マッサージ機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005288013A (ja) * 2004-04-05 2005-10-20 Toshiba Tec Corp 椅子式マッサージ機
WO2007119516A1 (ja) 2006-03-28 2007-10-25 Matsushita Electric Works, Ltd. マッサージ機
US20090099489A1 (en) * 2006-03-28 2009-04-16 Matsushita Electric Works, Ltd. Massager
WO2007116561A1 (ja) 2006-03-31 2007-10-18 Family Co., Ltd. マッサージ機
EP2005932A2 (en) * 2006-03-31 2008-12-24 Family Co., Ltd. Massage machine
US20070273187A1 (en) 2006-05-26 2007-11-29 Matsushita Electric Works, Ltd. Massage chair
US20080048475A1 (en) 2006-08-28 2008-02-28 Matsushita Electric Works, Ltd. Chair type massager

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Publication number Publication date
JP4760872B2 (ja) 2011-08-31
JP2010035817A (ja) 2010-02-18

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