US1830380A - Massage and exercise machine - Google Patents

Description

Nov. 3, 1931. AN 1,830,380

MASSAGE AND EXERCISE MACHINE Filed April 50, 1928 8 Sheets-Sheet l ilm Nov. 3, 1931. F. A. ANDERSON MASSAGE AND EXERCISE MACHINE v I Filed April 30, 1928 8 Sheets-Sheet 3 Nov. 3, 1931. F. A. ANDERSON 1,830,380

MASSAGE AND EXERCISE MACHINE Filed April 30, 1928 8 Sheets-Sheet 4 Nov. 3, 1931.

F. A. ANDERSON MASSAGE AND EXERCISE MACHINE Filed April 30, 1928 8 SheetsSheet 5 @7122? Q Mrsam Nov. 3, 1931. F. A. ANDERSON 1,830,380

' MASSAGE AND ExERcIsE MACHINE Filed April 50, 1928 8 Sheets-Sheet 6 I five/Z107 CZ Claderson E 0%, wow

Nov. 3, 1931. F. A. ANDERSON MASSAGE AND EXERCISE MACHINE Filed April 30. 1928 8 Sheets-Sheet 7 Nqv. 3, 1931. F. A ANDERSON 1,830,380

MASSAGE'AND EXERCISE MACHINE Filed April 50. 1928 8 Sheets-Sheet 8 I Well??? Jral? a. 4x649190 0 7 ll/MM, 3/ @M/ M mm ANDERSON;- or YM'VILTOIN, w

Patented Nov. .3, 1931 Es! P ENT FFICE 'IIQN, ormm-on memvsmA CORPORATION "OF DELAWARE,

lbplication. filed A ni 30,:

kci 'mehi It s shown; embodiedan a machine ntend Myfinvention relates to massageandexer- L ed; and adapted for use' either in the home l-f to'ry; f rces to. thefhuman' body, or in hos- "p'italsfdoctors" ofiices, .gy'm'nasiums, physical ."fo'rgeneral and special application ofvibra culture aca demie s,and the like, where r a memisto be given under the care and direcpeculiar knowledge of a specialist is essential "tio'n'of'aspecialist and in cases where'the for intensive orspecial treatment;

The machine-is so constructed that'apersen witho'utftechnicalknowledge"may oper-' Tate andmake Whateveradjustments are necessary to vary the amplitude and speed of the vibratory movement oi thef appl ca;

1 {Theipiirpjose of the is tomassage" and exercise portionsfoffthe; human bodyfisog as to stimulate a "p oper and healthy cone 'd'iti'on and growth 'ofthe' body tissues. 'The se f'o'f both'external frictioiifbetween theap'pli-. fcatorand the surface portion's of=the bodyf andby 'internal fleXureof theebod tissues causing the entire-area surrounding the ap I of treatment is particularly-import'ant' as a inea'ns for reducing excess fatty" tissues and in ithe stimulation oflinternal organs by heat generated from internal movement. 7 ,7 An*ob"ect ofthe invention is toprovide an 7 i niproved' massage and exercise machine.

and exercise "machine in whiehjthefiforce translating mechanismis so constructed as I to reduce vibration to a minimum regardless of-th'e amplitude of the movement of theapi-plicators. v l v-i'Anotherobje and exercise machine in which changes 'inthe amplitude or lengthof the Vibratory move- Q the-cup. typerof applicator in use;

1 ment; of the applicators is a'ccomplished;

nismipositioned so as tobe withinieasy reach gofi the patient during treatment and Which adjustment may be made during the opera-z tion of'tlie-machine f r I p I Y l Anotherobjectistoprovide amassage and 'posite ends of vibrating machine;

results are accomplished by the application 88 of Fig. 7 A further object isjto providea massage of Fig. 8; 1

ct'is-toprovide-a mass'age p I of a vacuum cup applicator;

manipulation of-a'single ladjusting'l mechag f thegripping bar applicator 1n use; and

Q massacre D-ExERcisE MACHINE I 1928. Serial No. 273,792. L

sconsm; ASSIGNOR T0 THE ZBURDICK' conronnexercise machine in which "the vibratory movement of the opposite ends of the applicatersupporting arm isin a single horizontal plane, the amplitude ofmovement at 0p-',

the same.

fA'further-object is to providea massage the arm remaining at all times" and exercise machine which is durable in con- 7 struction and in Whichthe center ofgravity is sufiiciently low'to' preclude the necessity of fixing'th'e machine to the floor.

theriobjectsand advantages of the in vention will hereinafter appearp v Oneiembodiment of the invention is illus tratedin the accompanying drawings" in hi h:':.-; 1 p

"Fig; 1--is -a ,persp'ective' of my improved *Fig. 2 is mi Fig. 1 but with? ew similar to the door open;

Fig. '3 is avertical sectional vievv through I the forward portion of the machine; I I

Figpl is a verticalsectionalview' through the center of the machine in a plane transverse t0 the section illustrated in Fig. 3 Fig. 5-is an enlarged vertical sectional View" the passage of the machine; 1

rough v through the mid-point of the head of the machine;

Fig. 7 is an enlarged horizontal sectional -view through the head of the machine;

Fig. 8 is a sectional view along the line Fig. 9 is a sectional view along line 9'9 Fig. 1101s. a sectional view along the line 10410 of. Fig. 7;

. Ffg; 13'? is ;a perspective view illustrating ;Fig;i14 1s aperspective View illustrating "Fig. 152 is'; a perspective view illustrating f thebelt: applicator in use.

Ingeneral. the machine selected for tration .1 comprises a- ":central and pivota'lly ill'us- I I i 50 a re ha t: 21.hetWeempu1leyss '25.

,pecuredatopulleys25 and 26 by bolts 35L Pulleys "25:and 26 are Z'connected Ploy-belts 4:2 and 43 to smalla-andlarse 'nulleys44 and against movement with respect to rotatable K fbodyi 58th 1 maintain v them *in adjusted posil- 60 7 tion; comprises @a hand grip 89;c'o'ncentric mounted rocker arm A having hooks B at its 'l'a'r pillar's lT-lhemoving parts 'of'the ma rocker arm A outer ends for attachment of various type of applicators an electric motor C, speed transmission and control m'echanism D for driving a vertical shaft'E from motor C and power translating" mechanism including an eccentric mechanism F for translating rotational movement of 'shaftf'E to oscillatory movement of rocker arm A. The translating mechanism includes an adjusting deviceGr for Varying the amplitude of 'movement of arm A. i All of the mechanism except ad justing' k nob G and the extreme ends- 0f and their hooks are enclosed in a cabinet. I

head J interconnected byfour upright tuhu chine' are, therefore; included in a single in-' I timately associated unitary assemblyresting directly upon the floor or other supporting surface upon {which the machine placed. An ornament al metal casing. or cabinet. L hav 'ing a deer M and} applicator compartments NI;

ithin; surrounds-the mechanism described,

giving a finishedand-neat appearance to the machine; affording protection to" thosesl anding nearby while the machine is in operation 7 and providing aplace for'storingthe applife erslwh nm in n ta y ppc t- 91-;is connected hya belt-l9 witlr,,,a relatively f' ing frame assembly and metal easmg i de l matter of a divisional; 'applica- Motor C, is supporteclvup'on a plate clamped at 1 to, t e ear pair or "pillars "K5 Shaft 17' of motor Ggextend's verticallyup- Wardandhasadrive pulleyl8. thereon which v p p sleeve- 69 for-connection with a driving pitfor interconnectingthe eccentric mechanismF and rocker arm A ashereinafter described. Sleevej69 has at its base a'radially largev driven pulley -20. l Pulley 20 (see Fig.

, 3) is fixed-to" aniidler shaft 21- journa'led at 22 and23 by frictionlessbearings Withina u -shaped bracket-24; Bracket '24: is sup i serraied asjshown atll, which-serrations are engageable' withcomplementary serrations ported upon the front; left pillar K.

' Large and small pulleys 25 and 26 are rotatably Z-rnfounted :lfiyfrictionless bearings upon shjaftQl a :short' distance apart from one another. A clutch disc 27 (See*Fig. and 26. Clutch disc 27 has laterall'y extend ing teeth; 28 oiieachf side thereof: adapted for selective engagement with simiIar teeth QQ and" 30 carried on a'djacentsides of plates 3 l 7 :res eeve1v.- each fofwhich is keyed "to frictionless hearingv.52 disposed ivithin head plate'ilg vertical {move-men tute the power and speed transmission parts of the machine by meansof Which the speed of rotation of shaft E may be varied. To facilitate operation of clutch 27 in effecting a change of vthe speed of shaft E a hand lever 36 is mounted in compartmentN .of casing L and 'isconnected by a rod 37 with a pivotally mounted finger 38 having iparts engagea ole Witha circi imferential'groove 40 on clutch disc. .27... To change: the spedof; shaft E the operatorneed only open, door M.

and manipulate, in. one direction or the other, the lelver 36 which is 111 a convenient position extending toWarl thefront of the r CZISIHgS" I 1 D, E, E- and G. are sup iporfted upon a rigid,'upright frame 'compris;

ingia horizontally disposed hase vHfandi a.

.The upper end ot shaft E jex-tendsi-abev head'plate J and within a depressed portionformedin the top thereofQ upperend of'shaft. E is "externally 'tlireadedfatf 54 eccentric mechanism F. Body 58 has a deep} groove 59 ]eXtentl'ing diainmetrically across the'ftop- 60[which groove is formed with Ward'ly extending guide lugs 61 upon and between which a counterweight 5.2 is seated and free to slide longitudinally of the groove. .Qounterweight 62 is snbstantially urslmpe in c oss-mea (san -:8 A 19 plate 63isisecuredtohody 58.;at G lso as to confine thecuunt gainst lateral or The eccentric mechanism further includes head 6o slidably'fino nited, inner and enlarged portionfio of; a. groove 67 6X5 tending. through substantially" :the entire length of plate 63' and'in; vertical alignment. lwitlrgroove .59.. .Head has af vertioally extendingtuhular shaft'GS encompassed by a extending flange 70; the loweivface. of which. is

72 formed :onthe upper surface of. plate 63.;

A Q OmpI6SSIlOI1 spring 73 serves normally to f maintain the serratedportions offiange -70 and plate 63-apart during adjustment of the *.:eccentric mechanism. A1-guidepin-74 is carried by flange 70 and eitendslthrough slot] 'f' Wlth shaft csana carried upon the upper endoff-ahi"internally threaded'sleeveg88thatis" 7 engegeahlelwith externalthreaded part8?" I 7 of-shaft 68.' A relatively-strong compress- The elements thus far described vconstig I 'l 67 andnvithina'socket 75 in tlfeiadjaicent 1 upper wall of head .65, scrvingtoi maintain,

.; serrations 71 and 72 in alignment Whileout 1 1 sion spring "E7 is .mounted concentric with I "me diatelyabove handjgripi89. Knob ,90ihas igasqasov 1 jshaft68 betwengtheiadjacent ends .of sleeve 88; landislee've 69;: Spring 7 is stronger than i 'spring'13,ahencefltightening-r.of hand grip 189;; 'f' will zcauser sleeve '69 tomove toward. plate '63,;

, i 'and headj65lwillebeisimultaneously-draw I upwardasoiasfi'to tightly-lock thepartswith f'l' y smooth transmission and translationofpower, V v L The mechanism :for. adjusting head i and: v p hence?-sleevl69 witln'respecttotheavertical 1 o axisiof rotating-body'58icomprisesia shaft 7 8 fespect LtO: body 58.;

" 1 rotatablyimounted Withinihe :ahore -of shaft 68 Wlth one endZQseXtending below head 65.

bevelled gear 80 iszcarried by end 79-101 1 1 shaft z'? 8 in; mesh with: a: bevelled pinion" 81 i 1 fixed to av-sha ft 82iwhichfis rotatablymountf ed upon a plate 83 secured'at 84' to head 65.1

Afflange85 formed on shaft 82 restsagainst onei'si-de of plate 83landthe endofpi'nion {81- hearsagainstithe other side of theplate so 7 M als to preventilongitudirlal movement'of-the fishaftsilshaft 82has-{ aithreaj'ded portion86 Qengageable with an ",internally "threaded-- sleeve 163a supported upon fa'idepen'ding part 6360i top plate 63 and' within groove'58i Rotationof shaft '(8 Willj-cau-se*scre\v 86 to T turn and'propel head 65al0ng groove 66-967 I have 1 provided by ;the movable counterflweight-62of eccentricmechanism F a means,

forxmaintaining substantially uniform dis-j til tribution=oflyveight withprespect to the axis; of shaft throughoutthe various adjusted positions of headg65: Couhterweight 62has a rack62a formed onyone Wall 0fa grooved part 62 b; thereof, theiteeth of which are* in 7 1nesh vvith a pinion"? 8ai'carried upon end 7 9 of shaft 78.- when: shaft? 8 isturned to move I head 65rto the right (see =Fig.fl9); counter Weight 62 willslidefto the left,andvvice vei'sa, Vcompensatingfor the-changein th'e d istri -butiono'f Weight' caused by' movement of head I 65; Ic'onsider thisfeatureiof the machine of particular importance since it makes possible the us'e'of relativelyhighfspeed at various am gplitu'desof lmovementof the rocker arm without damage to the forcetranslatingparts due I e y I have set screws 121 permittingrelativemovement for. the purpose of permanent adjust- L 'ment" between plates and pillars during as fsembly; 'This'arrange'ment also permits the tointernalvibrationtg- I the other end at 94; similarly byja frictionless tearing asshow'n in' Fig. 10,; to rocker arm A to 'fa point'at oneside of the pivotal axis of'thefro'ckerarm; Rotational movement of therefore translated intooscilla V I i torymovemeni of armi'iA'iaind substantlauyi length of Woven'fabric having leather end thereof. V i Y 7 if In order to facilitate adjustment of head fiivvith respect tobodyf5 bl dk 90 is 7 a skirt 91 at itsloyver edge uponwhich indi- I ciarelativeto thelamplitudeof the'vibratory v moveme s 'ins rib sizso; h tth p rato may accurately adjustithe eccentric mecha,

nism to the desiredlengthof stroke;

;Journa1s22,' 28, 50,- 52, 93vand; 94 all have suitablelubricating passag'es, as also have the bearings forpulleys 25 and 26. .This con-- struction greatly adds to the-efficient and y from motorC to oscillating rocker armAZ access :to' motor C and the speed transmission andcontrol parts D. Compartment N has a shelf 103 1 I f so: dividing the compartment into two parts for storing theivarious-types of applicators with which 'the lmachine' is intended t'o-operate, such as broad andxnarrow belt'applicators 104 and" 105, vacuum cup applicator' l06 and pad applicator 107; Door Mhas clips 107 and pins 108 for/supporting anapplicator rod 109 and abarapplicator 110 as shown. ,-1 I

An upper casing supported upon head plate J entirely surrounds that portion of the mechanism carried above head plate J except 5 for the-outerends of rock shaft A and the adp st ng mechanism G whlch must neces-l sarily extend vWithout the casing. 6

A removable plate 116 "covers the top of upper'casing 115 iand is secured theretoby" ithumbscrews 117. "This plateneed only be removed for the lubrication of eccentricgmech- I anisni F'and bearing 94-.

- A switch- 119 ismounted upon tlie front Wall of upper casing 115*for the purpose of controlling the circuitto motor C. i

- In order'to facilitate. accurate alignment rof the internal'a-ssembly of parts supported upon frame HKJ pillars K are connected- Withbase plate 'l-I and head plate J by extending the lower'and upper ends respectively of the pillars in socl ets120 in the base plate and head:platesrespectively; all of which correcting xo'l" any Warping of the parts throughabuse, though this condition is not v :Belt applicators 10 1 and 105 consist of a. I

pieces at their opposite ends fashioned to ,forin an elongated loop: or -eyelet-which may'be'passed over hooks B so asvto secure 1 the'opposite-ends of the beltsto opposite ends 3,

fof vibrating rockeriarm A. Z This.type;.(1f;"- applicator (see Fig. 15) may be' used -bypass- 'ing the belt partially about the bodyof the patient so-that the entire surrounding area 3 I is moved with the belt to vigorously knead thefadjacent body tissues. lfiy' this usegotthe applicator e ricess. fatty portions of body may be reducedwithoutinjury-to the patient cator lOdaresuppdrt'ed upon rod 109.. This rod lsee Fig ll yha-s a leather eyelet 135313 'on'd'end through which one of the hooks B" is passed and. a screw-threaded. socket "186' I atits oppositeends upon which, pad 107 or tients havingdifi erent characteristics as to V 7 child, for instanceywhaving quite:tenderxfleslr would: require but slight atmospheric t le-pres sion Within thecup to bring about intense.

- reetion, counterweight SEE-will bedriven in V I 1 cup 10 6 is mounted by inserting stud screws 136;. ln order that the patient ma and hold t'he applicator to various parts of I the body while the device is infuse asleeve 140 137 embedded therein. within screw socket guide encompasses rode109and is slidably mounted thereo ns'o that therod free to move through the sleevewhenthe sleeve is gripped in the hand (see Fi'gu13); Fig. 18 illustrates a pa-iti'ent applying the vacuum cup applicator to the back and guiding rod. 109 by grippin sleeve 1&0. r

g In Figs '12, have illustrated an enlarged sectional view of the vacuum cup applicator.

-This cup is constructed of soft rubber and has an air valve 188 in thesidewall thereof wlth an adjustment screw 139 'torcontrolling the ingressand egress o'faiutoandirom the interior thereof. In use thlsvalve permits the patient. to control the atmospheric d -l press-ion. within the" cup and :is particularly useful in adapting the device'tor use by pa the tenderness of the outerfieshy tissues. A

surfacefcirculation.

-In Fig. 141. haveillustratd the bar type.

ivariation inthe-distribution ofthemass; of head 65-and its associated,mechanism. ;The .moving parts oteccentric mechanism F are: thus maintained at all times in a condition- I of. applicator 110. "This applicator has leather terminal members 150having loops or-eyelets fashion-ed therein through which hooks B maylbe passed. The major-portion ofthe bar is parallel with rocker arm A and in usethe patient gripsthe bar, preferably with both hands, with the hands in frontor in back, and vibratory-movement is thus. im-

parted through the arms to the entire upper portion of the body. Exercise with the bar J applicatoris particularly useful in inducing general'cellular 'massage and in overcoming with 1ts attendant skin disorders, Inioperation the massage and exerc sing machine preferably rests directly upon the floorinisuch position as to allow su iicientv space. int r-out of the machine'tor the pat ent to standfor' situpon a'chair or bench. Prior tostartingmotor C or while clutch 27 isdisengaged and -in'its neutral positic in an; ap-

plicatorf is selected from I the various types herein described and attachedto hooks B. If

lutely, essential.

one of the belt applicators 'for bar applicator 1- is. selected? the opposite ends. {of .-the 1 'applicatorjare attached with each endrengaged with a hook'B... Ifthe pad or va cuum f clutch 27; This rotational movement of-shafti D is tra'nslated by eccentric mechanism F to an oscillatory movement-of rocker arm A and to substantially.rectilinear movement of the end of. the applicator.

Should the patient desire to alterthespeed of the. vibratory movement door opened and lever 36 moved to its opposite positionii Thusfreduc-ing or increasing the speed-oi.

shaftfD- depending upon the initial positionof lever36;s

vibrating movement ofthe applicator "is to.

be changed hand-Igrip 89 is first turnedxt o the-left' so as to-r'elievespring'Z'Z of'itsthrust.

against sleeve 69 andito permit spring 73 to eleng'th or amplitude i raise the sleeve and" disengage-the complementary s'errationsfon its-lower face and on :plate 63. During this operation motora-O' shouldhe turned oli" or clutch moved to 1 neutral position although -ithi's =is'fn 0t ahso.-;v

1 Rotation of .liand are; in the position-thus described will cause head 65; together with sleeve 69 to? move with: respect. to thegaxisof, shaft E to vary the stroke otjconnecting .rQdIQZ and thus vary the amplitude of; oscillatory ,inovement of rocker arm A. As head ,65' moves inonedi the opposite directionto compensate'forthe of. equilibriumas-to distribution of their f weightv thereby elinnnatinginternal: vibra-' tion duringuse.

When the adjustmenthas been made hand grip89. is turned to therightto cause spring spr1ng73.

One o'fth'e important advantages possessed by my improved vibrating machine is? that" .gagemenhagainst the force of the weaker theamplitude ofthe vibratory movementim paited; to the'various'applieators m te pre {determined adjustmentLmechani'sm G in the manner de'zsc'ribed. This. is accomplished without alte -ring or; changing in any Waythe relativemovement asbetween the opposite "ends of the rocker arm so that the movement I 'ters Patent is z of the opposite ends of'therocker arm is at v a connecting rod havinga variable eccentric connection with said shaft for translating rotational movement "of the shaft to oscillatory movement of. the arm and for varying the amplitude, of said oscillatory movement at will and other means associated with'said eccentricconnectionfor compensating for v the shlftmg of massinthe eccentric connection as the. connection is @varied,; thereby elimmatmg inherent vibration 1n the connection.

r 2. Ina massage and exercise machine, a

pairlof spaced apart movable'applicator supports, power driven means for moving the supports in a common plane to impart I pair of spaced-apart movable applicator sup ports, power drivenmeans for movingthe vibratory movement to an applicator applied thereto, means for varying the amplitude of movement ofisaid power driven means and means for compensating for the shifting of mass in said amplitude] varying means." I

' 3. In a massage and exercise machine, a

supports in'a common plane to impart vibratory movement'to an applicator attached thereto, means for varying the amplitude of for compensating. for the shifting of massin said amplitude varying means,-and a single operating'means for controlling said amplitude varying means and: for shiftingsaid compensating means.

4. Ina massage and exercise machine, a pair'of spaced apart movable applicator supports, power driven means for moving the supports in a common plane toimpart vibra-' -tory movement to an applicator attached thereto, meansfor varying the amplitude of movement of said power driven means, means.

' for compensating for the shifting of mass m said amplitude varying means, operatmg means for said amplltude' varylng means,

and means for automatically shifting said compensating means upon movement of said operating means. V I

I .5. In a massage andfexercise machine, a

'movable arm for supporting an applicator thereupon, a driven shaft, means including a connecting rodhaving a-variable eccentric connection with said shaft for transmitting rotational movement of. the shaft to oscillatory movement of thearm and for varying the amplitude of saidoscillatory movement at will, a counter weight associated with said 5 eccentric connection, operating means" for simultaneously. shifting said amplitude vary- Ting'ineans and said eccentric w'eight in oppo- T 'sitedirectionsi i A massage and exercising machine c o'm prising a movable arm for' supporting an appl cator thereon, power, driven shaft, a bol y member on said shaft rotatable onthe axis thereof, a shiftable eccentric. member ons'a'id, .body, means operat vely'connectmg' sa'1dec-' centric with said arm, means for'shifting said eccentric member in a direction laterally of I s'aidaxis, anda counterweight in said-body shiftable inafdirection opposite to the shift-.,

in'g of said eccentric.

- 7. A massage and-exercising machine'comprising amovable arm for sup'porting'an ap- I plicator thereon, a power driven shaft, 'a

*hody membenon said shaft rotatable on the ing' of eccentric, and common operating means for controlling the shifting of said eccentricandsaidcounterweight. i

'8; A massage and exercising machinecom prising a movable arm for supporting an applicator thereon, a power" drivenshaft, a body member on said shaft "rotatable;v on the axis thereof, a shiftableeccentrio memberion said body', means operatively connecting said eccentric with said arm, sald eccentric mem 'bercom'prising a head, adepending jarm on T said head, a longitudinally movable shaft en gaging said depending arm for shifting said depending arm and-said head laterally of said axis, 'means for moving said shaft lon itudinally and means for compensating f or the shifting of mass ofsaid eccentric member.

. l 9. A massage and exercising machine comprisingamovable arm for supporting an applicator thereon, a power driven shaft, a body member onsaid shaft rotatable on the 'axis thereof, a shiftable eccentric member on said body,*means operatively. connecting said eccentric with said arm, said eccentricjmem -l bercomprising a head, a depending arm] on said head, a longitudinally; movable shaft en gaging said depending arm" for shifting said dependingiarm; and said.,head laterally of saidaxis,meansfor movingsaid shaft longi M tudinally, means for compensating for the shifting of mass of said eccentric member, and

manually operable means for simultaneously controlling the shifting of said eccentric and said compensating means in opposite direc- -tions.

' 10. A massage and exercising machine comprising a movable arm for supporting an applicator thereon, a power driven shaft, a body member on said shaftrotatablethereon fon the axis thereof,an adjustable eccentric "shiftabl e 'ini'a direction opposite to the shiftfit - m m e l e e w hisa dbe y m ml er, Leonn 'eting )rod operatiyely conn c ing said arm withsaid eccentrio member, a depending .7 7 arm on said eccentric member, a longitudij 1;: j 5 nally mcw'able rotatable shaft engaging said a means engaging said shaft adapted to move same'longitudinally When said shaft is rotated means, for rotating said shaft, and a rection opposite to; the longitudinal :move- Q 'nent of saidshaft; a 11. A massage and exercising machine ,s mprising a movable arm for s ppor ng '-;;1, applicator'thereon', 'a power driven shaft, a a ,bOCly'memb'er-on said shaft rotatable thereon 011 the axis thereof; an adjustable eccentric member rotatable, with said body member, a connecting rod ope'ratively connecting said V -2 arm with said eccentric member, a depending arm on said-eccentric member; a. longi-i j j tndinally movable, rotatable shaft engaging said depend-ingarm, foradjusting said ecv centriq means engaging said shaft adapted -i a 2 to move the same longitudinally when said 7 r a Shaft isrotatedymleans for rotating said shaft, compensatingmeans in; said body to main- 'tain'the distribution of mass in said body sub; 1 stantially constant, and meansfforshifting f sai .c mp nsat 'ng means. 7 12A m ssa e and exercising machine ieomprisinga mo able arm for supporting an 'appl'icatorthereon, a nower drivenshaft a body m m er on said shaf rotatable thereon v 1' on. theaxis thereon-an adjustable eccentric 7 member. rotatable'with said bodymember, a.

' oonnecting rod operatively connecting said a arm with said eecentr'icmember, adepending f- I V 7 arm on said eccentrieme'mber, a-longitndi "I T 40 nally movable, rotatable shaft' engaging said r depending arm, for adjusting said eccentric; means engaging said shaft adapted to move 1 the same longijtudina y When said shaft is rot te ,gintermeshing gearsfor rotating said ,45 ft, compensa ng me nsin said body to I maintain-the distribution of massin said body Substantially constant, said compensating means comprising a Weight haying a rack thereon," a pinion intermeshing with said 1 rack; and means for sim lt eously operat ing said intermeshing. gears and said pinion.

I In "Witness wll reofnl hereunto subscribe my namethis25'dayofApri1,j1928. 1 j FRITZ ANDERSON. a

. depending arm, for adjusting said eccentric, 5 v f l i loegunterweight in said body shiftable in a di-

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