US1615615A - Vibrating chair - Google Patents

Vibrating chair Download PDF

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US1615615A
US1615615A US698009A US69800924A US1615615A US 1615615 A US1615615 A US 1615615A US 698009 A US698009 A US 698009A US 69800924 A US69800924 A US 69800924A US 1615615 A US1615615 A US 1615615A
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arm
frame
supporting
motor
chair
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US698009A
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Michael P Cannon
Markel Orville
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H23/00Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A61H23/0254Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor
    • A61H23/0263Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor using rotating unbalanced masses
    • A61H2023/0281Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor using rotating unbalanced masses multiple masses driven by the same motor
    • A61H2023/029Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor using rotating unbalanced masses multiple masses driven by the same motor with variable angular positioning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL 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
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01Constructive details
    • A61H2201/0119Support for the device
    • A61H2201/0138Support for the device incorporated in furniture
    • A61H2201/0149Seat or chair

Definitions

  • This invention relates to vibratory treatment apparatus, and more particularly to an improved vibrating cha-ir for the treatment of various ailments, diseases and conditions, such as rheumatism, nervousness, poor circulation, etc., and for producing or creating exertion and stimulating circulation.
  • the primary object of the invention is to provide a device which will create exertion, stimulate circulation and which is adapted to shake and vibrate the entire body of the patient and to augment the general shaking or vibrating with localized vibrations or treatments selectively at various regions of the anatomy
  • Further objects are the provision of a novel, simple and improved device for accomplishing the foregoing in asimple and effective manner and without discomfiture to the patient and the provision of a generally improved, simplified, compact and sturdy structure that may be economically produced, and easily operated.
  • Fig. 1 is a side elevational view of a chair embodying the inyentipn;
  • Fig. 2 is a top plan View of the same
  • Fig. 3 is an enlarged detail section through the seat mounting post and its common yieldable support with the back, foot rest and motor carrying frame;
  • Figs. 4 and 5 are detail sections on line a--a of Fig. 3 showing different positions of adjustment of the vibration producing weights.
  • FIG. 5 designates the supporting base or pe estal in its entirety. It comprises a base member 6, cast or otherwise suitably formed and having secured in its four corners four legs 7 provided at their lower endswith feet 8, which rest upon the floor or other supporting surface.
  • the underside of base member 6 has strengthening ribs 9 and a central hub 10, which is bored vertically at 12.
  • a foot rest, back, seat, and arm rest supporting member 14 cast or formed in any other suitable manner.
  • Member 14 has at opposite sides of its forward end projecting ears 15-15 to which lugs 16-16 at opposite ends of a yoke 17 are secured as by means of thumb nuts 18-18.
  • Yoke 17 has a hub or socketed projection 19 in which the upper end of a tube or other suitable foot rest supporting arm 20 is secured.
  • Slidably mountersv ed upon the arm or tube 20 is an adjustable foot rest 21 disposed transversely or normal to tube 20 to receive and comfortably support the feet of the patient.
  • Foot rest 21 is preferably recessed or offset at 22 to receive the heels of the feet and has an integral sleeve 23 which vembraces tube 20.
  • Sleeve 23 is preferably split longitudinally s at 24 to permit tightly clamping the foot rest in any desired position along arm 20 as by means of a thumb screw 26.
  • thumb screw 26 By loosening thumb screw 26, the foot rest 21 may be moved along arm 20 to any desired position and secured in place there by again tightening thumb screw 26.
  • thumb nuts 18-18 By loosening thumb nuts 18-18, the arm 2() and foot rest may be swung or tilted to any desired angular position and secured ⁇ in place by again tightening said thumb nuts 18-18.
  • At opposite sides of the rear end of member 14 are a pair of projecting ears 28-28 to which ears or lugs 30-30, formed integral and struck out normal to 'an ad' justable back 32, are secured as by means of thumb nuts 33-33.
  • Back 32 is preferably curved at 34 and is shaped to conform comfortabl to the back of the patient.
  • a bracket 35 to which the upper end of a back bracing arm 36 is pivoted at 37.
  • Arm 36 is preferably of tubular stock flattened at its upper end.
  • the lower v end of said arm 36 extends through an opening in the head of a threaded pin 36', the shank of which extends through an opening in the rear end of an arm 43 formed integral and projecting rearwardly from member 14, so that by tightening up the thumb rut 42 the arm 36 is drawn tightly against the face of arm 43 which surrounds the opening through which pin 36 extends and secures or binds the back brace firmly in adjusted position.
  • thumb nut 42 Loosening of thumb nut 42 permits arm 36 to be lowered or raised with an accompanying swinging or adjustment of back 32 about the screws which cooperate with thumb nuts 33 into any desired angular position and ⁇ secured rmly there by again tightening nuts 33. This permits conveniently adapting back 32 to the back of the particular patient, also to any sitting position assumed and to the particular treat-w ment to be given.
  • a pair of hubs 46-46 Formed integral and depending from each of the opposite sides of member 14 are a pair of hubs 46-46, in each of which hubs is adjustably secured by a thumb screw 48 an upright post 49 having at its upper end an arm rest 50.
  • thumb screws 48 By loosening thumb screws 48, posts 49 and arm rests 50 may be quickly adjusted up or down to any desired position and secured in place by again tightening said thumb screws 48.
  • Arm rests 50 are preferably curved, as shown, to afford maximum comfort, and they are preferably sleeved upon the upper ends of posts 49to facilitate 'manufacture and assembly.
  • 'llhe seat 55 is preferably in the form of a circular stool mounted upon the upper end of a post 56.
  • Post 56 has an external thread 57 preferably of the square type, as shown, for strength, and this thread 57 threads through and has threaded engagement with a corresponding internal thread in a central hub 58 formed integral with and depending substantially centrally from the under side of member 14. By threading post 56 up or down through depending hub 58, the vertical position of seat may be adjusted to any desired position.
  • hub 58 has a reduced extension 60 which is external ly threaded for threaded engagement with a correspondingly internally threaded socket 62 at the upper end of a coupling member 63.
  • Coupling 63 has universal connection at 64 with the upper end of a pin 65, which pin extends down through the vertical bore l2 through hub 10.
  • relatively strong coiled spring 68 is interposed between frame member 14 and base member 6 and yieldingsupports the foot rest, back and arm rest carrying frame 14 above the supporting base.
  • Spring 68 preferably has threaded engagenient at its upper and lower ends with spiral grooves in hub 58 and in an upright hub 76 on base 5. Threaded upon the lower projecting end of stem 65 is a thumb nut 72, by means of which the tension of spring 68 and thereby the vibratory action of the device may be varied or adjusted at will., By Sind pty removing the nut 72, the entire back and foot and arm rest frame may be removed from the supporting base. This facilitates manufacture and assembly, as well as disassembly for shipment, repair and replacement.
  • a bracket 75 Preferably formed integral with and depending vertically from the under side of frame member 14 is a bracket 75, and mounted upon this bracket is an electric motor 76 which is preferably of the universal type for operating on direct or alternating current, whichever is available. This ⁇ may, however, of course, be varied.
  • Motor 76 is supplied preferably through a flexible conductor (not shown) having a switch (not shown) for controlling the flow of current to the motor.
  • the motor 76 drives a shaft 78 which projects vertically from the motor and is rotatably journaled at its opposite end in a boss or hub 80 depending from mcmber 14.
  • Mounted upon motor shaft 78 are a pair of weights 82 and 84, each off centered or eccentrically disposed with reference to the axis of rotation of the shaft.
  • weights 82 and 84 are in the relation shown in F ig. 4, the eccentricity of one balances the eccentricity of the other and a balancedl condition of the motor shaft exists.
  • set screw 85 By loosening the set screw 85, securing one of said weights in place and turning said weight into the position shown in Fig. 5, for example, van unbalanced condition of the motor shaft is established, so that upon starting the motor the entire frame 14 and back, seat, arm rests and foot rests carried thereby are vibrated about the yielding support on base 5.
  • wei ht need be adjustable, both may be a justably mounted upon the motor shaft by set screws 85as shown.
  • any desired period or degree of vibration may be established to suit the physical condition of the patient or the vibratory effect desired for the particular treatment being given.
  • baci: 32 has a great number of closely spaced perforations or apertures 90.
  • 'Ehe pad 92 may be secured in place in either of these apern tures and thereby in any desired position on back 32.
  • the apertures 80 may be threaded for threaded engagement with the shank 93 Uli' liti
  • the pad 92 is mounted in position on back 32 to cooperate with said region so that when motor 76 is started, in addition to the general shaking or vibratory action set up through the entire body of the patient, a local vibratory action is set up at the desired region of the patients back, for example.
  • Pads of this sort may obviously be provided for au menting the general shaking with local vibrations in any other desired region than the back.
  • a supporting base .a patient support, means yieldably supporting same on said base, a motor, a shaft drivenby said motor, and means for unbalancing said shaft to vibrate the patient support, said shaftlying at right angles to the patient support.
  • a patient support means yieldably supporting same, means forv vibrating the patient support, said support including a perforated supporting member, and a pad adapted for Vmounting selectively in the perforations of said member for tions.
  • a supporting pedestal a frame member thereabout, a universal coupling connecting said pedestal and said frame member, a spring interposed between and yieldingly supportproducing localized vibraing the frame member above the pedestal,
  • an adjustable footrest, back, seat and arm rests carried by said frame, a motor, a
  • a supporting pedestal In a device of the class described, a supporting pedestal, a patient support thereabove, a universal coupling connecting the patient support and pedestal, and a spring interposed between and ieldingly supporting the patient support a ove the pedestal.
  • a supporting pedestal a patient support thereabove, a universal coupling connecting the patient support and pedestal, and a spring interposed between and yieldingly supporting the patient support above the pedestal, said coupling being adjustable to adjust the tension of said spring.
  • a supporting pedestal a chair frame, means yieldably supporting said frame on said pedestal, a universal coupling between said frame and said pedestal, a seat on said frame, a bracket ,depending from said frame, a motor mounted on said bracket, a shaft driven by said motor and journaled at its free end in said frame, and means on said shaft between the motor and said journal for unbalancing the shaft and vibrating the chair frame on said yieldable sup ort 7
  • a supporting base a chair frame, a boss'.
  • a coupling member adapted for attachment to said boss, said' coupling having universal connection with a pin extending through the supporting base, a nut on the free end of said pin, a s ring interposed between the base and chair rame and yieldably supporting the chair fra-me upon the base, and means for vibrating the chair frame upon said yieldable support.

Description

Jan.`
25 1927 M. P. CANNON x-:T AL 1615615 l VIBRATING CHAIR Filed March 1o, 1924 2 sheets-sheet 1 I 'Jam 25, 1927- M. P. CANNON E1' AL VIBRATING CHAIRl Filed March l0, 1924 2 Sheets-Sheet 2 jwem yz-5 Patented Jan. 2.5, 1927.
UNITED STATES MICHAEL I. CANNON AND ORVILL MARKEL, F CHICAGO, ILLINOIS.
VIBRATING CHAIR.
Application field March 10, 1924. Serial No. 698,009.
This invention relates to vibratory treatment apparatus, and more particularly to an improved vibrating cha-ir for the treatment of various ailments, diseases and conditions, such as rheumatism, nervousness, poor circulation, etc., and for producing or creating exertion and stimulating circulation.
While we shall describe the invention as embodied in a chair, it is to be understood that it is not limited to a particular embodiment, but may be embodied in other forms, and it may be used Wherever and for any purpose to which it is found adaptable.
The primary object of the invention is to provide a device which will create exertion, stimulate circulation and which is adapted to shake and vibrate the entire body of the patient and to augment the general shaking or vibrating with localized vibrations or treatments selectively at various regions of the anatomy Further objects are the provision of a novel, simple and improved device for accomplishing the foregoing in asimple and effective manner and without discomfiture to the patient and the provision of a generally improved, simplified, compact and sturdy structure that may be economically produced, and easily operated.
To acquaint those skilled inthe art with the manner of constructing and practicing the invention, we shall now describe, in connection with the accompanying drawings, a specific embodimentI of the invention.
In the drawings:
Fig. 1 is a side elevational view of a chair embodying the inyentipn;
Fig. 2 is a top plan View of the same;
Fig. 3 is an enlarged detail section through the seat mounting post and its common yieldable support with the back, foot rest and motor carrying frame; and
' Figs. 4 and 5 are detail sections on line a--a of Fig. 3 showing different positions of adjustment of the vibration producing weights.
In the drawings 5 designates the supporting base or pe estal in its entirety. It comprises a base member 6, cast or otherwise suitably formed and having secured in its four corners four legs 7 provided at their lower endswith feet 8, which rest upon the floor or other supporting surface. The underside of base member 6 has strengthening ribs 9 and a central hub 10, which is bored vertically at 12.
Yieldably supported above base 5, is a foot rest, back, seat, and arm rest supporting member 14 cast or formed in any other suitable manner. Member 14 has at opposite sides of its forward end projecting ears 15-15 to which lugs 16-16 at opposite ends of a yoke 17 are secured as by means of thumb nuts 18-18. Yoke 17 has a hub or socketed projection 19 in which the upper end of a tube or other suitable foot rest supporting arm 20 is secured. Slidably mountersv ed upon the arm or tube 20 is an adjustable foot rest 21 disposed transversely or normal to tube 20 to receive and comfortably support the feet of the patient. Foot rest 21 is preferably recessed or offset at 22 to receive the heels of the feet and has an integral sleeve 23 which vembraces tube 20. Sleeve 23 is preferably split longitudinally s at 24 to permit tightly clamping the foot rest in any desired position along arm 20 as by means of a thumb screw 26. By loosening thumb screw 26, the foot rest 21 may be moved along arm 20 to any desired position and secured in place there by again tightening thumb screw 26. By loosening thumb nuts 18-18, the arm 2() and foot rest may be swung or tilted to any desired angular position and secured `in place by again tightening said thumb nuts 18-18. At opposite sides of the rear end of member 14 are a pair of projecting ears 28-28 to which ears or lugs 30-30, formed integral and struck out normal to 'an ad' justable back 32, are secured as by means of thumb nuts 33-33. Back 32 is preferably curved at 34 and is shaped to conform comfortabl to the back of the patient. Secured to the ack 32 is a bracket 35 to which the upper end of a back bracing arm 36 is pivoted at 37. Arm 36 is preferably of tubular stock flattened at its upper end. The lower v end of said arm 36 extends through an opening in the head of a threaded pin 36', the shank of which extends through an opening in the rear end of an arm 43 formed integral and projecting rearwardly from member 14, so that by tightening up the thumb rut 42 the arm 36 is drawn tightly against the face of arm 43 which surrounds the opening through which pin 36 extends and secures or binds the back brace firmly in adjusted position. Loosening of thumb nut 42 permits arm 36 to be lowered or raised with an accompanying swinging or adjustment of back 32 about the screws which cooperate with thumb nuts 33 into any desired angular position and `secured rmly there by again tightening nuts 33. This permits conveniently adapting back 32 to the back of the particular patient, also to any sitting position assumed and to the particular treat-w ment to be given.
Formed integral and depending from each of the opposite sides of member 14 are a pair of hubs 46-46, in each of which hubs is adjustably secured by a thumb screw 48 an upright post 49 having at its upper end an arm rest 50. By loosening thumb screws 48, posts 49 and arm rests 50 may be quickly adjusted up or down to any desired position and secured in place by again tightening said thumb screws 48. Arm rests 50 are preferably curved, as shown, to afford maximum comfort, and they are preferably sleeved upon the upper ends of posts 49to facilitate 'manufacture and assembly.
'llhe seat 55 is preferably in the form of a circular stool mounted upon the upper end of a post 56. Post 56 has an external thread 57 preferably of the square type, as shown, for strength, and this thread 57 threads through and has threaded engagement with a corresponding internal thread in a central hub 58 formed integral with and depending substantially centrally from the under side of member 14. By threading post 56 up or down through depending hub 58, the vertical position of seat may be adjusted to any desired position. At its lower end, hub 58 has a reduced extension 60 which is external ly threaded for threaded engagement with a correspondingly internally threaded socket 62 at the upper end of a coupling member 63. Coupling 63 has universal connection at 64 with the upper end of a pin 65, which pin extends down through the vertical bore l2 through hub 10. relatively strong coiled spring 68 is interposed between frame member 14 and base member 6 and yieldingsupports the foot rest, back and arm rest carrying frame 14 above the supporting base. Spring 68 preferably has threaded engagenient at its upper and lower ends with spiral grooves in hub 58 and in an upright hub 76 on base 5. Threaded upon the lower projecting end of stem 65 is a thumb nut 72, by means of which the tension of spring 68 and thereby the vibratory action of the device may be varied or adjusted at will., By sind pty removing the nut 72, the entire back and foot and arm rest frame may be removed from the supporting base. This facilitates manufacture and assembly, as well as disassembly for shipment, repair and replacement.
Preferably formed integral with and depending vertically from the under side of frame member 14 is a bracket 75, and mounted upon this bracket is an electric motor 76 which is preferably of the universal type for operating on direct or alternating current, whichever is available. This` may, however, of course, be varied. Motor 76 is supplied preferably through a flexible conductor (not shown) having a switch (not shown) for controlling the flow of current to the motor. The motor 76 drives a shaft 78 which projects vertically from the motor and is rotatably journaled at its opposite end in a boss or hub 80 depending from mcmber 14. Mounted upon motor shaft 78 are a pair of weights 82 and 84, each off centered or eccentrically disposed with reference to the axis of rotation of the shaft. Obviously, when weights 82 and 84 are in the relation shown in F ig. 4, the eccentricity of one balances the eccentricity of the other and a balancedl condition of the motor shaft exists. By loosening the set screw 85, securing one of said weights in place and turning said weight into the position shown in Fig. 5, for example, van unbalanced condition of the motor shaft is established, so that upon starting the motor the entire frame 14 and back, seat, arm rests and foot rests carried thereby are vibrated about the yielding support on base 5. While only one wei ht need be adjustable, both may be a justably mounted upon the motor shaft by set screws 85as shown. When said weights are adjusted with the eccentricity of one directly over and aligned vertically with that of the other, a maximum vibrating or shaking of the entire body of the patient will result. By adjusting the relation of the weights 82 and 84 from this maximum position to the balanced condition of Fig. 4, any desired period or degree of vibration may be established to suit the physical condition of the patient or the vibratory effect desired for the particular treatment being given.
1We have found that by seating the patient in the chair and subjecting him to the vibrating action thereof for a few minutes creates exertion which would otherwise require a much longer period of violent exercise.. This exertion is, as well known in the art, highly beneficial for certain ailments. Treatment in the chair stimulates poor circulation and quickly relieves e2.'- haustion. The treatment is beneficial for rhcumatism, various other ailments, condi.u tions and diseases, and we do not intend to be in anywise limited in its use and intend to include any other beneiicial results that may be secured.
- lt should, be noted in llig. 2 that the baci: 32 has a great number of closely spaced perforations or apertures 90. 'Ehe pad 92 may be secured in place in either of these apern tures and thereby in any desired position on back 32. The apertures 80 may be threaded for threaded engagement with the shank 93 Uli' liti
of the pad 92, or a nut 94 may be provided, as shown, for securing the pad in any desired position. VVhere local application is desired in the small of the back or in any other desired place, the pad 92 is mounted in position on back 32 to cooperate with said region so that when motor 76 is started, in addition to the general shaking or vibratory action set up through the entire body of the patient, a local vibratory action is set up at the desired region of the patients back, for example. Pads of this sort may obviously be provided for au menting the general shaking with local vibrations in any other desired region than the back.
While we have described the invention in connection with the details of a particular embodiment, modifications and changes are contemplated within the scope of the appended claims.
We claim:
1. In a device of the class described, a supporting base, .a patient support, means yieldably supporting same on said base, a motor, a shaft drivenby said motor, and means for unbalancing said shaft to vibrate the patient support, said shaftlying at right angles to the patient support.
2. In a device of the class described, a patient support, means yieldably supporting same, means forv vibrating the patient support, said support including a perforated supporting member, and a pad adapted for Vmounting selectively in the perforations of said member for tions.
3. In a device of the class described, a supporting pedestal, a frame member thereabout, a universal coupling connecting said pedestal and said frame member, a spring interposed between and yieldingly supportproducing localized vibraing the frame member above the pedestal,
an adjustable footrest, back, seat and arm rests carried by said frame, a motor, a
shaft driven thereby, and means on said shaft for producing an unbalanced condition of the shaft to vibrate the frame member, foot rest, back, seat and arm rests upon said yieldable support.
4. In a device of the class described, a supporting pedestal, a patient support thereabove, a universal coupling connecting the patient support and pedestal, and a spring interposed between and ieldingly supporting the patient support a ove the pedestal.
5.'In a device of the class described, a supporting pedestal, a patient support thereabove, a universal coupling connecting the patient support and pedestal, and a spring interposed between and yieldingly supporting the patient support above the pedestal, said coupling being adjustable to adjust the tension of said spring.
6. In a device of the class described, a supporting pedestal, a chair frame, means yieldably supporting said frame on said pedestal, a universal coupling between said frame and said pedestal, a seat on said frame, a bracket ,depending from said frame, a motor mounted on said bracket, a shaft driven by said motor and journaled at its free end in said frame, and means on said shaft between the motor and said journal for unbalancing the shaft and vibrating the chair frame on said yieldable sup ort 7 In a device ofthe class descri ed, a supporting base, a chair frame, a boss'. projecting from the chair frame, a coupling member adapted for attachment to said boss, said' coupling having universal connection with a pin extending through the supporting base, a nut on the free end of said pin, a s ring interposed between the base and chair rame and yieldably supporting the chair fra-me upon the base, and means for vibrating the chair frame upon said yieldable support.
In witness whereof, we hereunto subscribe our names this 5th day of March, 1924.
MICHAEL P. CANNON. ORVILLE MARKEL.
US698009A 1924-03-10 1924-03-10 Vibrating chair Expired - Lifetime US1615615A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538231A (en) * 1948-12-02 1951-01-16 Anna B Booth Platform for reducing machines
US2550841A (en) * 1948-09-03 1951-05-01 Larry S Martinez Exercising device
US2609862A (en) * 1946-08-21 1952-09-09 Marion Chair Company Inc Hospital chair
US2891538A (en) * 1955-07-21 1959-06-23 William N Moxley Massage chair
US2894505A (en) * 1957-02-18 1959-07-14 Bernard H Manausa Vibrating assembly
US2951479A (en) * 1958-06-05 1960-09-06 John W Sellner Exercise and massage device
US2953128A (en) * 1958-08-28 1960-09-20 Stacy F Searl Portable bed vibrator
US3053571A (en) * 1961-02-20 1962-09-11 Seng Co Chair iron
US3628829A (en) * 1966-03-09 1971-12-21 Morton L Heilig Experience theater
US4586748A (en) * 1983-06-01 1986-05-06 Stow & Davis Furniture Company Adjustable chair iron
US4736735A (en) * 1987-02-24 1988-04-12 Yong Kim C Back massager with two support bars for back
US5348370A (en) * 1992-12-04 1994-09-20 Fukuoka Kagaku Ltd. Apparatus for vibrating seats
US5582464A (en) * 1995-01-17 1996-12-10 Maymon; Herzel Chair primarily for use by persons with spinal chord injury
US6056357A (en) * 1996-06-11 2000-05-02 Yukihiko Saitoh Apparatus for vibrating seats
US6758523B2 (en) * 2000-05-22 2004-07-06 Herman Miller, Inc. Office chair
CN105283616A (en) * 2013-03-15 2016-01-27 西麦克斯公司 Presentation viewing apparatus and method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609862A (en) * 1946-08-21 1952-09-09 Marion Chair Company Inc Hospital chair
US2550841A (en) * 1948-09-03 1951-05-01 Larry S Martinez Exercising device
US2538231A (en) * 1948-12-02 1951-01-16 Anna B Booth Platform for reducing machines
US2891538A (en) * 1955-07-21 1959-06-23 William N Moxley Massage chair
US2894505A (en) * 1957-02-18 1959-07-14 Bernard H Manausa Vibrating assembly
US2951479A (en) * 1958-06-05 1960-09-06 John W Sellner Exercise and massage device
US2953128A (en) * 1958-08-28 1960-09-20 Stacy F Searl Portable bed vibrator
US3053571A (en) * 1961-02-20 1962-09-11 Seng Co Chair iron
US3628829A (en) * 1966-03-09 1971-12-21 Morton L Heilig Experience theater
US4586748A (en) * 1983-06-01 1986-05-06 Stow & Davis Furniture Company Adjustable chair iron
US4736735A (en) * 1987-02-24 1988-04-12 Yong Kim C Back massager with two support bars for back
US5348370A (en) * 1992-12-04 1994-09-20 Fukuoka Kagaku Ltd. Apparatus for vibrating seats
US5582464A (en) * 1995-01-17 1996-12-10 Maymon; Herzel Chair primarily for use by persons with spinal chord injury
US6056357A (en) * 1996-06-11 2000-05-02 Yukihiko Saitoh Apparatus for vibrating seats
US6758523B2 (en) * 2000-05-22 2004-07-06 Herman Miller, Inc. Office chair
CN105283616A (en) * 2013-03-15 2016-01-27 西麦克斯公司 Presentation viewing apparatus and method

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