U.S. patent number 3,815,780 [Application Number 05/056,435] was granted by the patent office on 1974-06-11 for clock having means for periodically dispensing and controlling the release of articles.
Invention is credited to Herbert Bauer.
United States Patent |
3,815,780 |
Bauer |
June 11, 1974 |
CLOCK HAVING MEANS FOR PERIODICALLY DISPENSING AND CONTROLLING THE
RELEASE OF ARTICLES
Abstract
A clock having time-measuring means includes a pill-dispensing
apparatus driven by the time-measuring means for dispensing a pill
and for controlling release of the dispensed pill in a manner to
regulate consumption of the pill so that the same may only be
consumed during a preselected, pill-taking time interval. Means
driven by the time-measuring means control access to the dispensed
pill and actuate audible and/or visible signaling means to indicate
whether a dispensed pill may be, should be or has been
consumed.
Inventors: |
Bauer; Herbert (Schultheissweg
2, DT) |
Family
ID: |
5740312 |
Appl.
No.: |
05/056,435 |
Filed: |
July 20, 1970 |
Foreign Application Priority Data
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|
|
|
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Jul 19, 1969 [DT] |
|
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1936816 |
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Current U.S.
Class: |
221/15; 968/603;
968/208 |
Current CPC
Class: |
G04C
21/36 (20130101); A61J 7/0481 (20130101); G04B
19/264 (20130101); A61J 7/0445 (20150501) |
Current International
Class: |
A61J
7/04 (20060101); A61J 7/00 (20060101); G04B
19/26 (20060101); G04C 21/00 (20060101); G04C
21/36 (20060101); G04B 19/00 (20060101); G04c
023/18 () |
Field of
Search: |
;221/3,8,15,16 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Reeves; Robert B.
Assistant Examiner: Kocovsky; Thomas E.
Attorney, Agent or Firm: Hill, Gross, Simpson, Van Santen,
Steadman, Chiara & Simpson
Claims
I claim as my invention:
1. An apparatus for automatically dispensing individual articles,
such as pills, in a predeterminable prime pattern comprising:
time-measuring means;
an article-receiving chute;
manually operable gate means controlling access to said chute; an
article container driven by said time-measuring means in a manner
to deposit articles in said chute at periodic intervals;
manually operable gate means controlling access to said chute and
including a lever mounted for pivoting movement between a closed
and an open position;
a program roller mounted for rotating movement and driven by said
time measuring means, said program roller having a cam surface
formed thereon; and
a control member mounted for pivoting movement and having a cam
follower engageable with said cam surface for cooperating therewith
to pivot said member, said control member having a portion forming
a stop engageable with said lever in a manner to retain said lever
in the closed position for manual operation thereof.
2. An apparatus according to claim 1 wherein said lever included by
said manually operable gate means has a key formed on one end
thereof, said key having a portion formed to at least partially
close said chute when said lever is in a closed position.
3. An apparatus according to claim 1,
said cam surface having a portion formed to cooperate with said cam
follower for pivoting said control member to a blocking position
wherein said stop engages said lever to prevent manual operation
thereof; and
said cam surface having another portion cooperating with said cam
follower for permitting said control member to pivot to a
non-blocking position wherein said stop is out of engagement with
said lever.
4. An apparatus according to claim 3, including electrically
operated, audible signaling means;
switch means forming a portion of a circuit controlling operation
of said signaling means and having an actuating member engageable
by a portion of said pivotally mounted control member; and
portions on said cam surface cooperating with said cam follower for
permitting movement of said control member in a manner to actuate
said switch means for operating said signaling means.
5. An apparatus according to claim 4, including latching means
operated by manual movement of said lever to the open position,
said latching means pivoting said control member and maintaining
said control member in a pivoted position wherein said cam follower
will not cooperate with said switch-actuating cam portions,
thereby preventing operation of said signaling means once said gate
means has been manually operated during the pill-taking interval.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to clock mechanisms and
more particularly refers to a clock having time-measuring means and
including a pill-dispensing apparatus driven by the time measuring
means for dispensing a pill and for controlling release of the
dispensed pill in a manner to regulate consumption of the pill and
to present audible and/or visible signals.
2. Description of the Prior Art
Several medications offered by the pharmaceutical industry in pill
form have an effectiveness which is dependent upon the pill being
consumed at regular intervals. In order to regulate the consumption
of such pill-form medications, it has been proposed to provide
clock mechanisms programmed with instructions for taking of the
medicines. To enable use by the average consumer of such clock
mechanisms, it is desirable that there be an indication to enable
the user to inform himself as to whether a pill should be taken and
also an indication reminding the user to take the medication during
the prescribed time intervals, which may extend over days or weeks.
Further, the clock mechanism should have a simple and perspicuous
mode of operation and mode of programming. In order to increase
flexibility of the clock mechanism, it is desirable that the clock
be able to function without operating the pill-dispensing
apparatus.
One medication which requires extremely strict consumption at
prescribed intervals extending over a prolonged period is the
pill-form medication utilized for contraception. Generally, those
medications must be taken at definite intervals of time in order to
prevent impairment to the user's health and in order to assure the
intended effect. The schedule of consumption of such medications is
generally apportioned over a period of 28 days. This 28 day range
is sub-divided into twenty-one daily intervals with one pill to be
consumed per day followed by a seven-day rest period wherein no
pills are to be consumed. In the event the schedule of consumption
is interrupted, such as by the user's forgetting to take one of the
pills, then, in accordance with the manufacturer's instructions,
the schedule of treatment should be discontinued with a new
schedule of consumption commencing after menstruation has taken
place.
In a German patent application, Ser. No. P 15 23 23 913.1, and
assigned to the same assignee as the present application, there is
described a clock driven by a synchronous motor and including an
apparatus driven by the clock work for dispensing contraceptive
medicines and for indicating when such medicines should be
consumed. A calender switching mechanism engaged with the clock
mechanisms and intermittently driven thereby has a dial indication
on a dial face of the clock for indicating the exact schedule or
cycle of consumption.
The individual pills are dispensed from a container mounted for
rotating movement and having a plurality of circumferentially
spaced pockets opening at a periphery of the dispenser. As the
dispenser is intermittently rotated by the clock mechanism,
individual ones of the pills contained in the pockets are released
onto an accessible dispensing surface.
Thus, with the apparatus described hereinabove, the individual
pills are dispensed automatically from their container at a point
of time most favorable for the consumption of the pill. However,
contrary to manufacturer's instructions, the pill be may consumed
at any time after the same is dispensed. Thus, the user is not
compelled to observe the prescribed schedule of consumption but may
also consume the medication at any time after the prescribed period
has elapsed, thereby lessening the effectiveness of the medication
and causing possible impairment to the user's health.
One prior art structure of which I am aware, provides a controlled
taking of objects, predeterminable in time, from a container. That
structure, which may be driven by a clock, includes an opening
mechanism which, when actuated, places a certain number of objects
in a position for removal from the container. The opening mechanism
communicates with switching means, which, at predetermined points
of time, carries out a switching operation and also communicates
with an opening arrangement in which the part of the switching
mechanism carrying out the switching operation acts on a locking
device for blocking the opening mechanism. That structure is
extremely costly and complex, thereby rendering its use by
non-professionals difficult.
SUMMARY OF THE INVENTION
In accordance with the principles of the present invention, a
pill-dispensing apparatus is driven by time-measuring means, such
as a synchronous motor, of a clock equipped with an audible alarm.
The apparatus includes a container mounted for rotational movement
and driven by the time-measuring means in a manner to periodically
dispense a pill into a chute or similar reciprocal. Access to the
chute or reciprocal is controlled by manually operable gate means
including a pivoted lever having a key portion on one end. Control
means including a program roller having a cam surface formed
thereon and being driven by the time-measuring means permit or
block manual operation of the gate, thereby regulating access to a
dispensed pill so that the same may only be taken during the
prescribed time interval and not outside of that time interval.
Also, cam means on the container and corotatable therewith
cooperate with the control means to block manual operation of the
gate during a certain time period, for example during the seven-day
pause between a user's taking the twenty-first pill and the start
of a new sequence.
The apparatus of the present invention not only has a low
manufacturing cost but also a simple mode of operation.
In order to remind the user to take the pill during the prescribed
pill-taking time interval, the control means periodically actuate
the audible alarm on the clock. The audible alarm may be a bell
hammer or an electro-acoustical signaling device operated by
suitable switch means. Once the manually operable gate means have
been actuated to obtain access to the dispensed pill, the control
means will not operate the audible alarm until a subsequent pill
has been dispensed.
In addition to the audible alarm signal, the control means operate
visible signaling means in a manner to display differently colored
portions behind a sight formed in a face of the clock. The
different colors correspond to different conditions or states of
the prescribed, pill-taking sequence, for example the different
colors may represent that the pill has been dispensed and may be
taken, that the pill has been taken, that the gate means are
blocked so that a pill may not be taken and that the program is in
the seven-day period of pause.
BRIEF DESCRIPTION OF THE DRAWING
FIG. 1 is an elevational view of a clock incorporating a
pill-dispensing apparatus of the present invention and illustrates
a rear view of the clock with the back cover removed; and
FIG. 2 is a front view of the clock shown in FIG. 1 with a portion
of the dial face cut-away to illustrate additional details of the
present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to the drawings, a clock 10 driven by a synchronous motor
11, or other suitable time-measuring, drive means, has an
upstanding mounting plate 12 and a dial face 13 spaced from the
mounting plate, both of which are enclosed within a suitable casing
14. A pill-dispensing apparatus, generally indicated at 15, is
supported on the mounting plate 12 and driven by the synchronous
motor 11. Although the pill-dispensing apparatus 15, as described
herein, is particularly adapted for dispensing pill-form,
contraceptive medications, it should be understood that the
apparatus may be adapted for other types of medication having
prescribed sequences or programs of consumption.
A multiplicity of pills 16 are received in individual pockets or
magazines 17 formed in a wheel-like container 18, which is mounted
on the mounting plate 12 for rotational movement about the pivot
shaft 19. The individual pockets 17 are circumferentially spaced
around the container 18 and open at a periphery 21 of the
container. When the pill-dispensing apparatus is utilized for
dispensing contraceptive medications, the container 18 is divided
into 28 radial segments and includes 21 of the pockets 17 and a
blank area 22 having a circumferential extent equal to seven
pockets and corresponding to the 7 day period of pause.
In accordance with the present invention, a chute 23 formed in the
casing 14 in alignment with the pockets 17 receive one of the pills
16 from one of the pockets as the same moves into registry with the
chute due to rotation of the container 18.
Manually operable gate means, generally indicated at 25, control
access to one of the pills 16 dispensed into the chute 23. The gate
means include a key portion 26 extending beyond the casing 14 and
having a wall portion or stop surface 27 projecting at least
partially across an open end 28 of the chute 23 for maintaining the
pill in the chute until the key is depressed to open the chute. If
desired, the key 26 may have a receiving trough formed in an upper
surface 29 and into which the pill will be introduced when the key
is depressed. Also, the chute 23 may be sized so that a
multiplicity of the pills 16 which are dispensed from the container
18 may be stored in the chute without impairing the operation of
the apparatus, thereby permitting the apparatus to be operated even
though one or more of the pills are not consumed at the proper
time. Further, since the stop surface 27 does not extend entirely
across the open end 28 of the chute 23, pills dispensed in excess
of the storage capacity of the chute may overflow out of the chute
without jamming the mechanism.
A lever 31 mounted on the plate 12 for pivoting movement about a
pivot shaft 32 supports the key 26 and extends through a suitable
aperture 33 formed in the casing 14 beneath the chute 23. A spring
34 biases the lever 31 upwardly toward a closed position and
permits the key 26 to be pivoted or depressed downwardly to an open
position, wherein the stop surface 27 is free of the chute opening
28.
The time-measuring means, including the synchronous motor 11, of
the clock 10 drives a program roller 35 via a gear train 36. The
program roller 35 is mounted on the plate 12 for rotational
movement and forms a portion of control means for regulating or
controlling manual operation of the key 26, thereby regulating the
time interval during which the dispensed pill 16 may be consumed.
Corotatably mounted with the program roller 35 is a drive disc 37
having a notch 38 disposed for meshing engagement with a Maltese
wheel 39, which in turn rotates the container 18 via intermeshing
gears 41.
The gear train 36 is selected to rotate the program roller 35, and
thus the drive disc 37, through one revolution per 24 hour period.
Also, the gear train 41 is selected to rotate the container 18 one
twenty-eighth revolution per 24 hour period, thereby moving one of
the pockets 17 into registry with the chute 23 for dispensing one
of the pills 16 into the chute during each 24 hour period. If
desired, the program roller 35 may be mounted on a pivot shaft for
coaxial movement therealong in a manner to disengage a gear 42 on
the program roller from the gear train 36, thereby uncoupling the
pill-dispensing apparatus from the synchronous motor 11 so that the
clock 10 may be utilized independently of the pill-dispensing
apparatus.
In accordance with the present invention, manual operation of the
key 26 is controlled by a control member 43 mounted on the plate 12
for pivotal movement about a pivot shaft 44. An abutment surface 46
formed on the control member 43 is movable into blocking engagement
with an offset lug 47 formed on a rearward extension 48 of the key
supporting lever 31, thereby retaining the key 26 in the closed
position for preventing access to the pill 16 disposed in the chute
23. On the other hand, when the abutment surface is out of
engagement with the lug, the key 26 may be pivoted against the bias
of the spring 34 to the opened position in order to gain access to
the pills 16 disposed in the chute 23. A spring 49 biases the
control member 43 to a position wherein the abutment surface 46 is
out of engagement with the lug 47.
The program roller 35 includes a cam surface 50 cooperating with an
offset cam follower or lug 51 formed on the pivoted control member
43 in a manner to position the control member for controlling or
regulating the manual operation of the key 26. The cam surface 50
has a first segment or portion 52 configured for permitting the
biasing spring 48 to urge the control member 43 to a position
wherein the abutment surface 46 is out of engagement with the lug
47, thereby permitting actuation of the key 26. In accordance with
the prescribed schedule of the consumption of the pill-form,
contraceptive medicines, the effectiveness of the medication is
dependent upon the pill being taken within a 12 hour period, and
thus, the cam segment 52 has a circumferential extent corresponding
to rotation of the program roller 35 during a 12 hour period.
Once the key 26 has been depressed during the pill-taking time
interval, in order to gain access to the dispensed pills 16,
latching means including a latch plate 53 actuated by the lever 31
operates on the control member 43 in a manner to pivot the control
member against the bias of the spring 48 to a position wherein the
cam follower 51 is out of engagement with the first cam segment 52
and holds the control plate in that position. The latch plate 53 is
mounted for pivotal movement on a pivot shaft 54 and urged away
from the control plate 43 by a spring 56. As the key 26 is
depressed, a rounded end 57 of the lever extension 49 pushes
upwardly on an offset surface 58 formed on the latch plate 53 to
pivot an offset lug or latch member 59 into camming engagement with
a surface 61 formed on the control plate 43. In that manner, the
control plate 43 is pivoted away from the program roller 35,
against the bias of the spring 48, until the lug 59 drops into a
latching notch 62, thereby latching or holding the control plate in
a position wherein the cam follower 51 is out of engagement with
the first cam segment 52. As the program roller 35 rotates in a
counterclockwise direction, as indicated by the arrow 63, a cam
rise 64 moves into engagement with the cam follower 51.
In order to prevent the consumption of the dispensed pill 16 during
a 12 hour period, after the expiration of the 12 hour, pill-taking
period, the cam rise 64 and a second cam segment 66 extending over
a circumferential length equal to a 12 hour period cooperates with
the cam follower 51 for pivoting the control member 43 to a
position wherein the abutment surface 46 engages the lug 47 to
block or prevent manual operation of the key 26. Also, movement of
the cam follower 51 over the cam rise 64 sufficiently pivots the
control plate 43 to withdraw the notch 62 from latching engagement
with the lug 59, thereby permitting the latch plate 53 to pivot
under the influence of the spring 56. As the latch plate pivots
from the laching position, the lug 59 engages a stop surface 67
formed on the control plate 43 for maintaining the latch plate at
an upwardly pivoted position.
Further rotation of the program roller 35 by the synchronous motor
11 results in advancement of the container 18 to dispense another
pill into the chute 23 at a time approximately 2 hours before
commencement of the pill-taking time period. Consumption of the
dispensed pill is permitted when a terminal end 68 of the second
cam segment 66 passes by the cam follower 51, thereby permitting
the control plate 43 to pivot to a position wherein the abutment
surface 46 is out of engagement with the lug 47. Simultaneously
with the control plate 43 pivoting out of the blocking position,
the stop surface 67 is pivoted out of engagement with the lug 59
for permitting the lug to pass through a channel 69 formed between
the surface 61 and a terminal end 71 of the stop surface, thereby
permitting the latching member to return to its rest position, as
illustrated in FIG. 1.
In the event the dispensed pill is not consumed within the first
few hours of the 12 hour, pill-taking time interval the latching
means are not operated and the cam follower 51 is maintained in
engagement with the first cam segment 52. In order to remind the
user to take the pill 16, it is contemplated by the present
invention to actuate an audible signal or alarm periodically during
the pill-taking time interval. Thus, a plurality of notches 72
extend radially inwardly of the first cam segment 52 and cooperate
with the cam follower 51 to permit the control member 43 to pivot
under the influence of the spring 48 and into actuating engagement
with a control rod 73 of switching means 74. The switching means 74
form part of a circuit controlling actuation of the clock alarm
which may be, for example, an electro-acoustical signaling device
in the form of a buzzer or sounding mechanism. Preferably, the
audible alarm or signal is sounded for approximately 5 minutes,
after which the cam follower is again raised out of the notches 72
to deactuate the alarm device. Also, the audible reminder may be
repeated, for example, every 2 hours, until the user, through
operation of the key 26, removes the pill 12 from the storage chute
23. As described hereinabove, whenever the key 26 is operated, the
latching plate 53 pivots the control member 43 to a position
wherein the cam follower 51 is out of contact with the cam surface
52 and holds the control plate in that position, thereby preventing
further actuation of the alarm device.
From the previous description of the apparatus, it should be noted
that in the event the 12 hour, pill-taking time interval elapses
without consumption of the dispensed pill 16, the second segment 66
of the cam surface operates to prevent or block manual operation of
the key 26, thereby preventing consumption of the pill.
Approximately 2 hours before commencement of the subsequent
pill-taking time interval, a second one of the pills 16 is
dispensed into the receiving chute 23, and consequently, there are
two pills in the chute. Thus, in the event the key 26 is operated
during that pill-taking time interval, then the person using the
medication is readily aware that one pill has been omitted from the
sequence. For hygienic advantage of the user, the program of use
should be discontinued, and with the date of menstruation, unless a
physician directs otherwise, the user may initiate a new course of
treatment extending over another 28 day time span.
Assuming, however, that all twenty-one of the pills 16 were
regularly removed from the receiving shaft 23 in the proper
sequence, then a 7 day period commences wherein no pills are to be
consumed. In order to prevent actuation of the audible alarm or
signal during the 7 day time span, it is contemplated by the
present invention to provide means for pivoting the control plate
43 to a position wherein the cam follower 51 is held out of
engagement with the cam surface 50 formed on the program roller 35.
For that purpose, a cam 76 formed on the container 18 and disposed
to engage an offset lug 77 on the control plate 43 pivots the plate
against the bias of the spring 48 to a position wherein the cam
follower 51 is out of engagement with the cam surface 50. During
the 7 day period in which no pills are to be consumed, the
synchronous motor 11 rotates the container 18 so that the blank or
unpocketed segment 22 is conveyed past the chute 23. Manual
operation of the key 26 is also prevented during the 7 day time
span by blocking engagement of the abutment surface 46 with the lug
47 formed on the lever 31. After expiration of the pause, the cam
76 rotates out of engagement with the lug 77, thereby permitting
the control plate 43 to move under the urging of the spring 48 and
into the operating position wherein the cam follower engages the
cam surface 50. Thus, the apparatus is in a condition for
commencing a new 28 day program.
It is also contemplated by the present invention to enable the
program roller 35 to be positioned so that a user of the apparatus
may select or arrange the 12 hour, pill-taking time interval in any
desired time-of-day space. Thus, the gear 42 formed on the program
roller 35 may include rest-stop friction means or clutch means for
enabling rotation of the program roller 35 by means of a knob 81
formed on the program roller. Selection of the 12 hour, pill-taking
time interval within a 24 hour period is facilitated by a dial face
82 divided into 24, equally-spaced increments and shaded to
indicate a day range and a night range.
Also, the knob 81 may be utilized to rotate the drive disc 37 in a
manner to rapidly index or shift the container 18, thereby
implementing the refilling procedure, if required.
A simple and perspicuous construction of the pill-taking apparatus
15 may be economically provided by forming or structuring the
program roller 35, the control member or plate 43, the latching
member 53 and the container 18 from thermoplastic material.
As illustrated in FIG. 2, the clock 10 includes the usual
components of an electric alarm clock. In particular, an hour hand
91 and a minute hand 92 are driven by a suitable clock mechanism in
a manner to keep time. A second hand 93, composed of a transparent,
crystal-clear plastic is also driven by the clock mechanism and
preferably has a cylindrical, colored indicator 94 formed at a free
end thereof. A waking time may be selected for actuation of the
clock alarm and that time is indicated by a separate hand 96. An
alarm shut-off button 97 projects upwardly through the clock casing
14 and actuates an alarm shut-off mechanism.
In addition to the usual clock components, the clock face 13
includes a sight or aperture indicated at 101 and behind which
differently colored patches are displayed to provide a visual
indication of the condition or state of the pill dispensing
apparatus 15, and in particular to give an indication of the manual
operability of the key 26. Means for presenting the visible signal
include a first fan 102 disposed behind the clock face 13 and
mounted on the pivot shaft 44 for corotation with the control plate
or member 43. The fan 102 has three areas or patches of different
colors which may be moved into registry with the sight 101. The
first colored area 103 may be yellow and corresponds to the
condition illustrated in FIG. 1, wherein one of the pills 16 is
dispensed in the receiving chute 23 and the key 26 may be manually
operated to gain access to the dispensed pill. A second colored
area 104, which may be red, moves into registry with the sight 101
whenever the second cam segment 66 moves the control member 43 to
the blocking position, thereby giving a visual indication that the
key 26 may not be operated. When the cam 76 on the container 18
operates on the lug 77 to pivot the control member 43 to the rest
or non-operative position during the seven-day pause, a third area
106, which may be white, is moved into registry with the sight
102.
A visual indication that the dispensed pill 16 has been properly
taken by manually operating the key 26, is provided by a second fan
107 supported on the pivot shaft 54 to corotate with the latching
plate 53. The second fan 107, which outwardly overlaps the fan 102,
has a brown-colored area 108 which moves into registry with the
sight 101 whenever the latching plate 53 is moved to its pivoted
position by operation of the key 26. The brown-colored area 108 is
visible through the sight 101 until a new pill-taking time interval
is present, since the stop surface 67 formed on the control member
43 holds the latch plate 53 in the pivoted position during the time
interval in which the key 26 is locked against manual
operation.
If desired, the pill-dispensing apparatus 15 of the present
invention may include an additional safety feature for indicating
the day of the week to indicate whether the time-measuring means,
such as the synchronous motor 11, has been stopped over a
relatively long period of time, such as for example would occur in
the event there is a current failure. Means for indicating the day
of the week include a disc 111 disposed behind the clock face 13
and mounted for corotation with the container 18. The disc 111 is
divided into 28 equal segments with each segment containing two or
more letters forming, in sequence, abbreviations of the week days.
A second viewing aperture or sight 112 formed in the clock face 13
is disposed so that the week day abbreviations are sequentially
movable into registration therewith in a manner to be viewed by a
user of the clock 10.
The disc 111 indicates the day of the week, as opposed to the usual
date indicator which shows the day of the month, since the 28 day
program for taking the contraceptive medication is readily
divisible into four weeks. Furthermore, the particular day of the
week is probably better known to the user of the clock 10 then
would be the corresponding date, which must be corrected at least
every other month.
From the description contained herein, it should be noted that the
clock 10 of the present invention, which includes the pill
dispensing apparatus 15, provides a simple and perspicuous
construction which is economical to manufacture and which has a
simple mode of operation for providing visible and/or audible
signals or indications of the condition of the prescribed
medication program. Further, since the pills 16 are stored in the
receiving chute 23, the automatic dispensing of the pills from the
container 18 is absolutely hygienic until the key 26 is operated to
gain access to the pill. Moreover, the special volume of the chute
23 permits storage of a multiplicity of pills to pervent jamming of
a mechanism in the event the medication program is deferred or
inadvertently omitted.
Although various minor modifications might be suggested by those
versed in the art, it should be understood that I wish to embody
within the scope of the patent warranted hereon all such
modifications as reasonably and properly come within the scope of
my contribution to the art.
* * * * *