Biorhythm scale

A biorhythm scale adapted to secure its operation and capable of directly observing the periodic day and the half-periodic day a physical, sensitive and intellectual rhythm for the individual or individuals in an accurate manner. The biorhythm calculator includes a guide interiorly of which a resilient non-slip element is firmly mounted not only to provide no slippage between vernier scales but also to eliminate an error in reading, and is comprised of a physical rhythm (P) scale, a sensitive rhythm (S) scale, an intellectual rhythm (I) scale, a day scale, and a month scale each of which is provided with racks at least one side thereof. Each of the vernier scales is slid over a fixed date scale indicative of the number of days in a month while in engagement of the racks with the non-slip element to thereby read out the biorhythm in the period as desired.

BACKGROUND OF THE INVENTION 
This invention relates to a biorhythm calculator, and more particularly to 
a readily manipulated biorhythm calculator capable of accurately and 
stably observing critical days which, on the basis of a biorhythm calendar 
prepared by the same inventor as for this application, consist of a cycle 
and a semi-cycle at a periodic change in body and mind conditions such as 
physical, sensitive or emotional, and intellectual states. 
Conventionally, critical days in the biorhythmical conditions have been 
calculated in such a manner that three values of physical, sensitive, and 
intellectual on the first day of one's biorhythmical condition to be found 
are calculated by simple addition and substraction based on the date of 
one's birth and use of a biorhythm table indicative of biorhythmics. This 
calculation has been considered as convenient if biorhythm conditions 
throughout one month are plotted on a calendar by use of a specific 
indicia scale for biorhythm but involves difficulty in that the scale must 
be graduated in biorhythmic values other than the date so that various 
values other than what is plotted on the calendar must be calculated, and 
the other values may interfere with the value to be found whereby the 
operator cannot read the figure. In addition, the variety of values to be 
calculated renders the scale complicated and unreliable in operation. 
Further, the indicia reference numbers are scattered on the outer surface 
of the scale and a misalignment of the indicia on the regular scale with 
those on the vernier may possibly lead the operator to an error in 
operation and thus to the wrong biorhythm conditions. 
SUMMARY OF THE INVENTION 
It is, therefore, the primary object of the present invention to provide a 
new and useful biorhythm calculator to thereby eliminate the 
aforementioned defects inherent in the conventional biorhythm calculators. 
A further object of the present invention is to provide a visual biorhythm 
condition measuring device which is inexpensive to manufacture, simple to 
use and which is completely accurate and reliable and stable in operation 
and application. 
Other objects and advantages will become apparent from the following 
description when considered in the light of the accompanied drawings:

DESCRIPTION OF THE PREFERRED EMBODIMENT 
Now, before giving a description of a preferred embodiment of the 
invention, the principle of biorhythm on which the present invention is 
based will be explained. 
In order to find a biorhythm condition by use of a currently available 
calendar, a table is prepared for calculation to find the first day, 
namely, the periodic day for each of these three cycles for physical, 
sensitive, and intellectual conditions. It has been established that 
almost all kinds of tragic events such as traffic accidents and other 
mishaps can be attributed to the cursed day when the victims happened to 
be in the periodic day or the half-periodic day (middle of the cycle) in 
the biorhythm conditions. If such phenomenon as biorhythm is practically 
applied to a modern behavioral sciences in daily life, a better guide 
principle in one's behavior may be obtained. In other words, by paying 
attention to the periodic or half-periodic day in the biorhythmic 
physical, sensitive, and intellectual conditions, one may better adjust to 
good and bad conditions. This precludes the necessity of seeking for such 
conditions on the curved line in the conventional chart or table. 
As a result, one is able to control his behavior. This is the best way of 
applying biorhythm. Numerous excellent examples of applications of 
biorhythm have been introduced by the inventor in his various reports and 
the like. 
Referring now to the drawing in detail wherein a biorhythm calculator of 
the present invention enables the user to accurately and simply read the 
periodic day or the half-periodic day in the three biorhythm conditions 
according to the year and the month as desired. The instrument body member 
1 includes a transparent, generally rectangular guide 2 formed of plastic 
material and transparent, generally rectangular scale means formed of 
plastic material and mounted in the guide 2 for slidable and reliable 
movement therein. As shown in FIGS. 1 and 2, scale means consists of, for 
instance, five verniers 3, 4, 5, 6, and 7, and a fixed scale 8 made longer 
than the verniers. The guide 2 is so mounted as to encircle the verniers 
and the scale in a stack. The guide 2 is provided with a read-out window 
10 centrally thereof. A notch 11 is formed centrally and downwardly of the 
window to read the month. 
The plastic vernier scale or plate 3 is a physical (P) rhythm scale 
indicative of a 23-day cycle. The vernier scale 4 is a sensitive (S) 
rhythm scale indicative of a 28-day cycle. The vernier scale 5 is an 
intellectual (I) rhythm scale indicative of a 33-day cycle. A scale or a 
plate 6 is a day scale on which the word "Sunday" is repeatedly inscribed 
in regularly spaced relationship. A scale or a plate 7 is a month scale on 
which calendar months are inscribed in order. A scale or a plate 8 is a 
one-month scale of opaque, white plastic sheet on which the number of days 
in a month are arranged (Since the cycle for intelligence will cover 33 
days, "32nd" and "33rd" are so described in the lower line on the plate 8 
as to correspond to 1st and 2nd for convenience of calculation although 
they are actually nonexistent. A plurality of racks 9 are so formed in 
each of the scales or plates 3-7 at the longitudinal, lower side and 
substantially entire length thereof that the face width of each of the 
racks corresponds to a section which encircles an entry of the date. On 
the other hand, the fixed date scale 8 is provided with no such rack, as 
shown in FIG. 9, and adapted to have its lower side to the guide or the 
guide with the read-out window. 
Referring to FIGS. 2 and 3, a corrugated non-slip element 15 is secured to 
the upper or lower side of the guide 2 of the calculator 1 to mesh with 
the racks formed each of the scales 3-7. The fixed date scale 8 indicative 
of days in a month is adapted to have its lower longitudinal side embedded 
in the non-slip element 15 and bonded thereto. A corrugated sheet 16 which 
covers the exterior of the non-slip element 15 is so configurated or 
shaped within the guide 2 as to mesh with the racks of each of the scales 
and to enable step movement of each of the scales. The non-slip element 15 
is secured by suitable means for bonding the opposite ends 18 of the sheet 
16 to the interior of the guide 2. A resilient layer 17 of non-rigid 
plastic form materials such as polyurethane foam or the like is held 
between the corrugated sheet 16 and the guide 2. 
As the calculator according to the present invention is fabricated as 
aforementioned, the racks 9 of each of the vernier scales 3-7 mesh with 
the corrugation of the sheet 16 of the non-slip element with respect to 
the guide or the fixed scale 8 to enable each of the vernier scales 3-7 to 
undergo a step movement thereof in a click fashion in that resilient 
interlocking with each of the recesses of the racks is provided. 
Consequently, no slippage between the vernier scales is made in relation 
to the fixed scale 8 to set these scales at one point. It is 
understandable therefrom that malfunction derived from a continuous slide 
movement of the conventional transparent vernier scales and fine, 
complicated adjustment of the vernier scales to the narrow widths of the 
date indicia, are simultaneously eliminated to enable the user to simply 
operate the calculator. 
The corrugated resilient structures 16, 17 of the non-slip element 15 in 
which polyurethane foam is held enables the vernier scale to effect a 
click displacement or a step movement thereof. With this simple 
arrangement, a resilient pressure contact between the plastic vernier 
scale and the guide or the fixed scale to secure a simple setting of the 
vernier scale is provided. 
In use, the physical, sensitive, and intellectual scales 3, 4, and 5 are 
slidably moved until a playing card mark on the lower portion of each 
scales align with the date on the date scale 8, the date which is obtained 
upon calculation based on the specific table prepared by the inventor. 
More specifically, supposing that "5" is obtained from the specific table, 
the playing card mark (for instance, spade) indicative of physical 
condition is arranged to lie above the date, 5th (in the month to be 
sought). As a result, it has been found that the periodic days are 5th and 
28th whereas 16th is the half-periodic day, and that a positive condition 
cover 6th -15th and the period from 29th on while a negative condition 
covers 17th-27th. It is noted that the intellectual rhythm of the 
biorhythm conditions will last for 33 days so that the values "32" or "33" 
may be rarely obtained depending upon circumstances. This means that 
residual 32 or 33 on the date scale in observing the intellectual rhythm 
is carried forward to the next month due to nonexistence of 32nd and 33rd 
in an actual month. In this instance, the playing card mark (clover) is 
arranged to lie over the dates, 32nd and 33rd on the scale. 
It is preferable to align a "SUN" mark in the scale 6 with the date in the 
date scale 8 so as to use the transparent month scale 7 and the fixedly 
disposed date scale 8 as a monthly calendar if required. Thus, a week day 
can be automatically indexed. In this connection, though the indication of 
"JAN" through "DEC" is not necessarily to be employed when the scales are 
used as a monthly calendar, by disposing the month concerned over the 
notch 11 of the window it serves to conveniently confirm the month during 
manipulation of the scales. The month scale 7 may be stationary to prevent 
any month from appearing over the notch 11 of the window if no indication 
of month is required. 
Having thus described the preferred embodiment of the invention it should 
be understood that numerous structural modification and adaptations may be 
resorted to without departing from the spirit of the invention.