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Патент USA US3088467

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May 7, 1963
Filed March 20, 1961
3 Sheets-Sheet 1
—- ‘
May 7, 1963
I. F. DERscH
Filed March 20, 1961
3 Sheets-Sheet 2
FIG. 4
May 7, 1963
Filed March 20, 1961
3 Sheets-Sheet 5
United States Patent
Irwin F. Dersch, Sea Cliff, N.Y., assignor of ten percent
to Darby & Darby, New York, N.Y., a partnership
Filed Mar. 2%), 1961, Ser. No. 96,987
5 Claims. (Cl. 128—33)
This invention relates to therapeutic devices of a passive
Patented May 7, 1963
eating action which tones up the entire body system and
effects a relaxing result.
It is a further object of the present invention to provide
a device wherein a uniplanar massaging or reciprocating
effect on certain predetermined locations of the body
of the user produces a deep exercise action throughout
the entire body of the user without requiring traction or
clamping of the body.
body exercising and relaxing type.
It is a further object of the present invention to provide
Heretofore, devices have induced motion in bodies of 10 a device wherein massaging or reciprocating action is
produced in a horizontal plane and which is adjustable
persons lying thereon, in a variety of ways and in various
to provide more or less action to the body depending on
positions on the body. These prior art devices had only
the size of the user and which transmits the reciprocating
a local effect since only super?cial movement of the
action to portions of the body not directly in contact with
body occurred at the point of application of the vibrating
element. Some devices have induced motion of the 15 the moving surface.
Still another object is to provide a passive body exer
body in a variety of planes simultaneously.
ciser device having a movable supporting platform which
Other prior art devices have attempted to enlarge the
is adapted to be reciprocated in a horizontal plane through
effect of the localized movement by encasing the user in
a predetermined arc and to produce various forms of
traction from head to foot or by enlarging the vibrating
movement responsive to its position with respect to the
surface that is in contact with a large portion body surface
driving force.
that substantial super?cial body movement results. These
A still further object of the present invention is to
prior art devices were bulky, costly and inconvenient to
provide a device which passively exercises a body of a
person resting thereon which produces all of the above
Further, these prior art devices used relatively high
speed, small movement vibration devices which move 25 results and which is simple in construction, inexpensive
to manufacture and efficient and durable in operation and
ment did not penetrate deeply into the body tissue of the
user. Additionally, these prior art devices did not simu
late or utilize the natural body movements of the user
to provide overall bene?ts to the user.
The present invention relates to a device which pro
use in service.
vides correct movement pattern of the body coupled with
tion made in conjunction with the accompanying draw
ings in which:
the reclining relaxed position in which the individual
naturally abandons himself for securing maximum bene
The body exercising and relaxing device according to
the present invention together with its advantages will
be more clearly understood ‘from the following descrip
FIGURE 1 is a top plan view of one embodiment of
the body exercising and relaxing device according to the
?t to the user. The present device induces sweeping,
rhythmic, accelerated movement in a horizontal plane. 35 present invention;
FIGURE 2 is a side elevational view of the device
These movements are transmitted to‘ a pad upon which the
shown in FIGURE 1 showing a body of a person in phan
individual rests the lumbar position or lower portion of
tom reclining in one of the preferred positions;
the back. Also, the upper portion of the back of the
lFIGURE 3 is a side elevational view similar to FIG
individual can rest on the pad with suitable change of
movement of the pad for providing variance of applica 40 URE 2 showing an alternative position of a user;
tion and repeat patterns. The skeleton, joint, muscle,
FIGURE 4 is an enlarged ‘fragmentary cross-sectional‘
tendon and soft tissue are motivated by the impulses of
the present device for providing totality of response.
The movements of the pad follow the natural body action
for reaching the various systems of the body. The slow
view taken along line 4-4 of FIGURE 2.
FIGURE 5 is an enlarged fragmentary top plan view
reciprocating arcing movement of the present invention
by inducing natural body movements combined with the
reclining position of the user provides motor activity of
of the cushion structure;
FIGURE 6 is a cross-sectional view taken along line‘v
6-6 of FIGURE 5; and
FIGURE 7 is a cross-sectional elevational view taken.
along line 7—7 of FIGURE 5.
With reference to the drawings, the embodiment dis-'
the entire body and attains a proper method of relaxa~
tion and mobility. The present device combines both 50 closed according to the present invention comprises a
central supporting section ‘10. Disposed on opposite sides
physiological effects with qualitative aspects ‘for inducing
of central supporting unit ‘It! and aligned therewith are
a motivational effect on the user.
body supporting members 12 and 14 supported by a'
In terms of known physiological adaptations to ordi
nary muscular activity, the magnitude of the stress in
framework 16 and 18 respectively which are adapted to
duced by the present device is very limited. However,
maintain body support members 12 and 14- a suitable
considering the fact that the average, middle-aged, el
distance from a ?oor. Framework 16 and 18 are prefer
derly or handicapped man or woman in the United States
ably tubular to combine lightness with sufficient strength. _,
is quite unable to indulge in strenuous exercise, this
As shown in the drawings, body support members 12 and‘
result is entirely satisfactory and offers possibilities of
have lengths several times their widths, so that they‘
gradual remobilization of un?t individuals or inducing 60 may conveniently accommodate a human form. As
them to take a ?rst step towards renewing active lives.
shown body support members 12 and 14 are rectangular
The present device although providing totality of re
in shape although other geometric con?gurations may be
sponse involves no cardiac strain of any kind. The
used. The device may readily be designed, so that it is
well known physiological adjustments to active exercise,
a decorative article of furniture which may be covered
such as sweating, tachycardia, change of skin color, rapid
with suitable fabric and appear in the form of a couch.
As shown framework 16 and 18 can be easily disassem
heart beat and deep respiration are absent.
bled or folded for storage in a small area. In the em
Therefore it is an object of the present invention to
bodiment shown in FIG. 3, an extension 20" is shown for
provide a passive body exerciser unit and relaxing device
supporting the feet of the user and is supported by ‘a leg
in accordance with the present invention to provide all
of the above bene?ts wherein the person may lie prone
while subjected to predetermined massaging and recipro
22 for maintaining its proper distance from a ?oor.
Extending upwardly from, central support member 10
is a shaft 26. Mounted on the free end of shaft 26 is a
platform 28. Platform 28 is preferably positioned so that
its upper surface extends slightly above the plane of body
support elements 12 and '14, at an elevation such that a
person, shown in phantom in FIGURES 2 and 3, can lie
on body support elements 12 and 14 and have predeter
entire body with a minimum of strenuous e?‘ects normally
attendant with this amount of body exercise.
Moving support plate 28 off center with respect to
shaft 26 in a longitudinal direction, indicated by arrow
61 in FIGURE 1, so that the center of support plate 28
is offset from the axial center of shaft 26 by a predeter—
mined distance, increases the arcing action of side 100 of
platform 28 and decreases the arcing action at the oppo
site end, or side 102. Advantageously the side having an
Advantageously, the upper surface of platform 28 is 10 increase in arcing action is the edge facing the head of
the user side 100, with the decrease in arcing action fac
tapered slightly upwardly towards the head of the user
ing the feet of the user, side i102. Preferably with support
to provide a cupping action with the body of the user
plate 28 being offset in this manner, the upper back of
during reciprocating movement. Platform 28 is prefer
the user is juxtaposed to the upper surface of plate 28 in
ably spaced from facing ends of body support elements
mined portions of his body resting on platform 28 with
out discomfort. Platform 28 may be cushioned on its
upper surface to provide a comfortable resting surface.
12 and 14 to provide more intensive movement to the
a manner shown in FIGURE 3. This type of movement
of the surface of support plate 28 coincides with the
natural body movement of the trunk of the body and
coincides with the fulcrum actions, so that movement is
Platform 28 has a relatively slow, uniplanar recipro
transmitted throughout the entire skeleton of the user.
cating action through a predetermined are which stimu
The embodiment of support plate 28 shown in FIG
lates a cycle of responses throughout the entire body of 20
URES 5 through 7 provides an easy manner for proper
the user. The reciprocating arcing action of platform 28
positioning of the support plate with respect to support
acts on speci?ed areas of the body structure of the user
ing shaft 26 to obtain varying movement.
inducing natural ‘body movement throughout the body of
The supporting plate shown in FIGURES 5 through 7
the user for stimulating the nervous system and circu
latory system of the body and effectively toning up the 25 includes a frame 69 having :1 depending lip 60a. At
tached to the upper surface is preferably cushion ma~
entire body and producing a relaxed feeling in the user.
terial 61 for providing a comfortable surface. On op
Shaft 26 is rotated through a predetermined angle in a
posite sides of depending lip 60a are an aligned pair of
direction indicated by arrow 27, in FIGURE 4 and
openings which receive opposite ends of a shaft 62. Shaft
rotated backwardly through a predetermined angle in a
direction indicated by arrow 29. The primary source of 30 62 is maintained in position by ‘bolts 63. Slidably
body by reason of the reciprocating movement of plat
form 28.
motion is a rotating element or power source 34 as shown
in FIGURE 4. Primary power source 34 as well as the
mounted on shaft 62 is a housing 64 which has a pair
of bearing surfaces 66 and 68 which slide along the
inner surface of a frame 60 and prevent any rotational
coupling mechanism described below is preferably car
ried by or ?xed within central support structure 10 in any 35 movement of housing 64 about shaft 62. Preferably
housing 64 has sliding bearings 70 and 72 which engage
convenient manner. The power source 34 shown is an
shaft 62 and reduce friction. Housing 64 has an open
electric motor which reciprocates shaft 26 as will be de
ing 74 therein perpendicular to shaft 62 for receiving
scribed. Motor 34 transmits rotative power from a drive
driving shaft 26 and has a smaller diameter opening 76,
shaft to a pulley .36 ?xed thereto via a belt 38 to another
pulley 40 keyed to a shaft 42. Shaft 42 has a pulley 44 40 transverse to opening 74 for passing a pin 78 therethrough
and through shaft 26 for maintaining shaft 26 in opera
attached thereto which drives a belt 46 which rotates a
tive position in opening 74. Secured to a transverse
pulley 48 about a shaft 50. Pulley 48 has attached there
edge of housing 64 and facing a transverse edge is a
to a pin 52 which is offset from shaft 50 by a predeter
lever arm 81 which is substantially L-shaped and is of
mined eccentricity. The eccentricity of pin 52 may be
adjustable if desired. Attached to pin 52 is a connecting 45 sufficient length to extend beyond depending lip 60a of
frame 60 when housing 64 is in a position furthermost
rod 53 which is rotatably connected to a crank arm 54
from the same edge ‘beyond which lever arm 81 extends,
about a pin 55'. Crank arm 54 is secured to shaft 26 in
as seen best in FIGURE 6. Lever arm 81 provides the
any convenient manner such as by keying or splining.
user with easy manipulation of housing 64 along shaft 62.
Therefore, rotation of motor 34 provides a suitable drive
Housing 64 has a series of transverse openings there
ratio, so that a pin 52 is rotated at a rate of about 85 50
through 80, 82 and '84, parallel to opening 74. Mounted
r.p.m. and which is suitably connected to reciprocate shaft
26 through a predetermined angle. Advantageously, shaft
on the underside of frame 60 by means of screws or
the like 88 is a ?exible arm 90. Preferably arm 90 is
parallel to lever arm 81 and extends across frame 60 and
for each one-half revolution of pin 52. Since platform
28 is securely attached to shaft 26 and is of a greater 55 beyond the same edge that lever arm 81 extends. Ex
tending downwardly from the underside of arm 90 is a
diameter, its reciprocating arcing movement will be simi
26 rotates a total of % of an inch in the path of an are
lar to the movement of shaft '26 but proportionately
larger. One preferred embodiment has platform with an
eight inch width to provide a one and one-half inch arcing
pin 92 of diameter su?icient to be cooperatively received
by openings 80, 82 or 84. Arm 90 is continually urged
movement of one and one-half inches over an arc sub
therewith. As shown, opening 84 is positioned for re
ceiving pin 92, when opening 74 coincides with the cen
downwardly ‘by means of a spring arm 94 as shown best
movement which would be a forward and backward 60 in FIGURE 7 for forcing pin 92 into an opening aligned
tended by a radius of four inches.
ter of cushion 61 so that the centers of shaft 26 and
When a line transverse to the plane of support plate 28
cushion 51 coincide. With cushion ‘61 and shaft 26 so
and passing through its center coincides with the center
cooperatively positioned edges 87 and 88 reciprocate
line of shaft 26, as shown in FIG. 1, edges 100 and 102 65 through similar arcs.
of platform 28 will reciprocate through the same area in
Openings 80 and 82 are positioned at a predetermined
directions 56, 58 and 57', 59 respectively. With this rela
distance from opening v84 so that when arm 90 is urged
tionship preferably the pelvic portions or lower back re
upwardly, with a force su?icient to overcome the down
gions of the body of the user are positioned on support
ward force of spring 94, pin 92 is removed from open
plate 28, as seen best in FIGURE 2. The reciprocating
ing Y84 and by exerting a forward force on lever arm ‘81,
arcing movement of support plate 28 coincides with the
housing 64 is moved to the right, as shown in ‘FIGURES
6 and 7. Sliding housing 84 forward, and removing
natural fulcrum actions of ‘the skeletal structure of the
the upward force on arm 90 allows pin 92 to be slidably
body for transmitting the movement throughout the entire
skeleton of the user so as to stimulate and tone up the 75 received in opening 82. If a greater offset is desired,
this forward movement is continued, and pin 92 is slid
ably received in opening 80. If pin 92 is received in
housing with respect to said frame when the center line
of said shaft is offset from said transverse line passing
through the center of said cushion material a predeter
mined distance along the longitudinal axis of said exer
cising device, for providing uneven arcing movement of
either opening 80 or 82, the center of or the axial cen
ter of seat or cushion 61 is offset from the longitudinal
center of shaft 26 a predetermined distance equal to the
distance from opening '84, for providing a predetermined
type of arcing movement wherein edge 87 moves through
a larger arc than does edge 88. This reciprocating arc
ing movement has been found to correspond to the move-'
ment of the trunk of the body.
While one ‘form of providing the supporting platform
28 in either coincident relationship with arcing shaft
opposite edges.
2. A method of passively exercising and relaxing corn
prising reciprocating an edge of a horizontal surface
through a predetermined arc, reciprocating an opposite
edge of said surface through a smaller arc, placing a hori
zontally disposed body support surface adjacent opposite
sides of said reciprocating surface and axially aligning
said surfaces, mounting a person on said body support
surfaces with the head of said person facing the same di
of accomplishing this may be used.
From the foregoing description it will be apparent that 15 rection as said edge of said horizontal surface reciprocat
ing through a predetermined arc, and resting the upper
a person may be placed on platform 28 so that the pelvic
back of said person on said reciprocating surface.
area rests thereon and by having the platform 28 move
3. A therapeutic device comprising spaced apart body
at a reciprocating arcing motion so that its opposite axial
supporting means adapted to receive a patient in a supine
edges move through the same arc, or by offsetting sup
position, a generally horizontally disposed platform set
port plate 28 with the axis of the driving shaft 26 so
in said space between said body supporting means, and
that ‘different arcing movements result on opposite ends
means for oscillating said platform eccentric to the axis
and resting the upper shoulder area of the person on
of said platform so that one edge of said platform facing
platform 28, the entire skeleton structure of the user
a body support means oscillates through a different are
is massaged and exercised. The low rate of reciprocat
than its opposite edge.
ing arcing movement sends waves of motion throughout
4. A therapeutic device comprising spaced apart body
the internal structure of the body ‘for subjecting the en
supporting means adapted to receive a patient in a supine
tire skeleton structure of the body to an exercising effect.
position, a back exercising platform set between said body
The uniplanar arcing movement of platform 28 pro
supporting means, oscillation generating means disposed
vides more or less action when applied to the body of the
user depending on the body size of the individual, since 30 under said platform and having a vertical fulcrum offset
from the axis of said platform, and means coupling said
the greater the distance from the center line of the arcing
fulcrum eccentric to the axis of said platform so that when
shaft, the greater the arc. Thus, the movement of the
said oscillation generating means operates said plat-form
platform can be adjusted according to the body size of
eccentrically oscillates with one edge going through a
the user and thereby allowing the same arcing movement
35 greater are than its opposite edge.
to be used for all body structures.
5. A therapeutic device comprising spaced apart body
It will be apparent to those skilled in the art that
supporting means adapted to receive a patient in a supine
various other changes may be made in the construction
26 or offset relationship therewith is shown, other means
position, a back exercising platform set between said rbody
of this device without departing from the spirit and scope
of this invention, and accordingly should not be limited 40 supporting means, oscillation generating means disposed
under said platform and having a vertical fulcrum offset
to the precise illustration given but What has been set forth
from the axis of said platform, said fulcrum attached
in the appended claims.
to said platform offset from the axis of said platform so
What is claimed is:
that when said oscillation generating means operates said
1. A platform for coacting with a passive exercising
device having a reciprocating shaft for providing varia 45 platform laterally oscillates with one edge through a
greater arc than its opposite edge, and means for slidably
ble arcing movement comprising, a frame, cushion ma
changing said attachment of said fulcrum to said plat
terial attached to the upper surface of said frame, a
form to vary the degree of offset.
housing slidably mounted on the underside of said frame,
said housing having means for operatively engaging said
References Cited in the ?le of this patent
reciprocating shaft for providing said platform with uni 60
planar, reciprocating arcing movement, second means
adapted to lock said housing and said frame when the
Nelson ______________ __ Nov. 19, 1940
transverse line passing through the center of said cushion
Bruene ______________ .._ May 5, 1953
material is coaxially aligned with the axis of said shaft,
Silverton ____________ __ Sept. 14, 1954
said second means further being adapted to lock said 65 2,923,289
Carson . ______________ __ Feb. 2, 1960
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