U.S. patent application number 15/986650 was filed with the patent office on 2019-08-01 for child resistant flip top cap with adjustable viewing window.
The applicant listed for this patent is Armin Arminak. Invention is credited to Armin Arminak.
Application Number | 20190233184 15/986650 |
Document ID | / |
Family ID | 67391801 |
Filed Date | 2019-08-01 |
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United States Patent
Application |
20190233184 |
Kind Code |
A1 |
Arminak; Armin |
August 1, 2019 |
Child Resistant Flip Top Cap with Adjustable Viewing Window
Abstract
A new design for a child resistant cap which features a flip
open top which opens to reveal a viewing mechanism, which allows
magnified viewing of the contents of a container upon which the cap
is installed, is presented. The cap allows the content's of a
container to be viewed without the necessity of removing the cap
from the container. The cap of the present invention includes an
outer cap and an inner cap. The outer cap includes a lens
concentrically aligned with a viewing window in the inner cap. The
outer cap is also equipped with a flip top lid which is operable to
cover and uncover the lens and viewing window. The outer and inner
caps are equipped with features that make the closure difficult for
a child to open.
Inventors: |
Arminak; Armin; (Pasadena,
CA) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Arminak; Armin |
Pasadena |
CA |
US |
|
|
Family ID: |
67391801 |
Appl. No.: |
15/986650 |
Filed: |
May 22, 2018 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
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62624958 |
Feb 1, 2018 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B65D 50/041 20130101;
B65D 2251/01 20130101; B65D 2251/023 20130101; B65D 51/245
20130101; B65D 2251/10 20130101 |
International
Class: |
B65D 51/24 20060101
B65D051/24; B65D 50/04 20060101 B65D050/04 |
Claims
1. A child resistant closure comprising: an outer cap having a top,
a skirt depending downwardly therefrom, and a plurality of teeth,
extending downwardly from the top; an inner cap having a top and a
skirt depending downwardly therefrom, the inner cap having a
plurality of slots recessed into the top; wherein the inner cap is
removably attachable to a container; wherein each tooth of the
outer cap has a vertical closing face and an angled opening face;
wherein each slot of the inner cap has a vertical closing face and
an angled opening face; wherein, when rotated in a first direction,
the vertical closing faces of the teeth of the outer cap engage the
vertical closing faces of the slots of the inner cap and cause the
inner cap to rotate with the outer cap in the first direction;
wherein, when rotated in a second direction, and upon the
application of a predetermined downwardly directed force, the
angled opening faces of the teeth of the outer cap engage the
angled opening faces of the slots of the inner cap and cause the
inner cap to rotate with the outer cap in the second direction;
wherein, when rotated in the second direction, and in the absence
of a predetermined downwardly directed force, the angled opening
faces of the teeth of the outer cap slide over the angled opening
faces of the slots of the inner cap causing the inner cap to remain
stationary while the outer cap rotates in the second direction;
wherein the inner cap includes a viewing window; wherein the outer
cap includes a magnifying lens concentric with the viewing window
of the inner cap; wherein the inner cap and the outer cap are
configured such that the outer cap is axially adjustable with
respect to the inner cap within a predetermined range; and wherein
the outer cap includes a removable cover that covers the magnifying
lens.
2. The child resistant closure of claim 1, wherein the removable
cover of the outer cap is a flip top cover with a means for locking
the cover to the outer cap.
3. The child resistant closure of claim 1, wherein the magnifying
lens of the outer cap is transparent or translucent.
4. The child resistant closure of claim 1, wherein the window of
the inner cap is transparent or translucent.
5. The child resistant closure of claim 1, wherein the outer cap
and inner cap are telescopically coupled.
6. The child resistant closure of claim 1, wherein the skirt of the
inner cap includes internal screw threads for engaging a container
having external screw threads.
7. The child resistant closure of claim 1, wherein the opening face
of the teeth of the outer cap and the opening face of the slots of
the inner cap are inclined at an angle within the range of 30 to 60
degrees from vertical.
8. A child resistant closure comprising: an outer cap having a top,
a skirt depending downwardly therefrom, and a plurality of teeth,
extending downwardly from the top; an inner cap having a top and a
skirt depending downwardly therefrom, the inner cap having a
plurality of slots recessed into the top; wherein the inner cap is
removably attachable to a container; wherein each tooth of the
outer cap has a vertical closing face and an angled opening face;
wherein each slot of the inner cap has a vertical closing face and
an angled opening face; wherein, when rotated in a first direction,
the vertical closing faces of the teeth of the outer cap engage the
vertical closing faces of the slots of the inner cap and cause the
inner cap to rotate with the outer cap in the first direction;
wherein, when rotated in a second direction, and upon the
application of a predetermined downwardly directed force, the
angled opening faces of the teeth of the outer cap engage the
angled opening faces of the slots of the inner cap and cause the
inner cap to rotate with the outer cap in the second direction;
wherein, when rotated in the second direction, and in the absence
of a predetermined downwardly directed force, the angled opening
faces of the teeth of the outer cap slide over the angled opening
faces of the slots of the inner cap causing the inner cap to remain
stationary while the outer cap rotates in the second direction,
wherein the inner cap includes a circular opening; wherein the
outer cap includes a magnifying lens concentric with the circular
opening of the inner cap; and wherein the lens is axially
adjustable with respect to the inner cap.
9. The child resistant closure of claim 8, wherein the outer cap
includes a magnifying lens concentrically aligned with a generally
circular viewing window in the inner cap and wherein the inner and
outer caps are configured such that the outer cap is telescopically
adjustable with respect to the inner cap within a predetermined
range.
10. The child resistant closure of claim 8, wherein the inner cap
includes a lens concentrically aligned with a generally circular
opening in the outer cap.
11. The child resistant closure of claim 8, wherein the inner cap
includes a viewing window concentrically aligned with a generally
circular opening in the outer cap.
12. The child resistant closure of claim 9, wherein the viewing
window is translucent.
13. The child resistant closure of claim 11, wherein the viewing
window is translucent.
14. A child resistant closure comprising: an outer cap having a
top, a skirt depending downwardly therefrom, and a plurality of
asymmetric teeth, extending downwardly from the top; an inner cap
having a top and a skirt depending downwardly therefrom, the inner
cap having a plurality of asymmetric slots recessed into the top;
wherein the inner cap is removably attachable to a container;
wherein, when rotated in a first direction, the teeth of the outer
cap are configured to engage the slots of the inner cap and cause
the inner cap to rotate with the outer cap in the first direction;
wherein, when rotated in a second direction, the teeth of the outer
cap and slots of the inner cap are configured such that upon the
application of a predetermined downwardly directed force, the teeth
of the outer cap engage the slots of the inner cap and cause the
inner cap to rotate with the outer cap in the second direction;
wherein, when rotated in the second direction, and in the absence
of the predetermined downwardly directed force, the teeth of the
outer cap are configured to slide over the slots of the inner cap
causing the inner cap to remain stationary while the outer cap
rotates in the second direction; wherein the inner cap includes a
viewing window; wherein the outer cap includes a magnifying lens
concentric with the viewing window of the inner cap; and wherein
the inner cap and the outer cap are configured such that the outer
cap is telescopically adjustable with respect to the inner cap
within a predetermined range.
15. The child resistant closure of claim 14, wherein the upper cap
includes a flip top cover with a means for locking the cover to the
outer cap.
16. The child resistant closure of claim 14, wherein the magnifying
lens of the outer cap is transparent or translucent.
17. The child resistant closure of claim 14, wherein the window of
the inner cap is a transparent or translucent.
18. The child resistant closure of claim 14, wherein the asymmetric
teeth of the outer cap have vertical faces which engage vertical
faces in the asymmetric slots of the inner cap when the outer cap
is rotated in a first direction and wherein the asymmetric teeth of
the outer cap have angled faces which engage angled faces in the
asymmetric slots of the inner cap when the outer cap is rotated in
a second direction.
19. The child resistant closure of claim 18, wherein the angled
faces of the asymmetric teeth of the outer cap and the angled faces
of the asymmetric slots of the inner cap are inclined at an angle
within the range of 30 to 60 degrees from vertical.
20. The child resistant closure of claim 14, wherein the skirt of
the inner cap includes internal screw threads for engaging a
container having external screw threads.
Description
CROSS-REFERENCES TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. Provisional
Application Ser. No. 62/624,958, filed on Feb. 1, 2018 and entitled
"Child Resistant Cap With Adjustable Viewing Window," which is
incorporated herein by this reference.
BACKGROUND OF THE INVENTION
Field of the Invention
[0002] This invention relates generally to child resistant closure
devices, and, in particular, to a child resistant closure device
which incorporates a viewing window which allows a user to view the
contents of a container.
Background Art
[0003] Child resistant closure devices or caps for containers
having a threaded neck are known in the art. Such closure devices
typically include an inner cap having a screw thread for engagement
with a container and features that allow the cap to engage and
disengage with an outer cap, wherein it is necessary to engage the
outer cap with the inner cap to remove to the inner cap from the
container. This typically requires simultaneously applying a
combination of downwardly directed force and a rotational force to
the outer cap. Such closure devices are considered to be child
resistant since it is believed to be unlikely that a small child
would appreciate the necessity for simultaneously pressing and
turning the outer cap to remove the inner cap, and, even if
appreciated, a small child is unlikely to have sufficient strength
to perform these functions simultaneously.
[0004] Though many designs for child resistant caps may be found in
the art, there remains room for improvement. In particular, it
would be desirable to have a child resistant cap with a flip top or
flip open lid that opens to reveal a viewing window that allows a
user to view the contents of the container.
SUMMARY OF THE INVENTION
[0005] The present invention provides a new design for a child
resistant closure which features a flip top or flip open lid that
opens to reveal a viewing window, which allows viewing the contents
of a container upon which the cap is installed. The cap allows the
contents of a container to be viewed without the necessity of
removing the cap from the container.
[0006] The child resistant closure of the present invention
includes an outer cap and an inner cap. The outer cap has a top and
a skirt depending downwardly from the top. The outer cap includes a
lens which is centered over a viewing window in the inner cap and
which allows for magnified viewing of the contents of a container.
The outer cap is also equipped with a flip top lid which is
operable to cover and uncover the lens. The outer and inner caps
are configured such that the outer cap may move axially, i.e.
telescopically, about the inner cap, i.e. up and down, for a
predetermined distance. This makes the lens adjustable over the
range of the outer cap's axial movement. The effective
magnification of the lens may be changed by moving outer cap either
further or closer to the contents of the container.
[0007] For some types of products, a coverable viewing window is
desirable as exposure to light may degrade the products. The skirt
of the outer cap also includes a plurality of asymmetric teeth
depending downwardly from the top and formed integrally upon an
inner wall of the skirt below the viewing window closure installed
in the top.
[0008] The inner cap also has a top with a central opening for
receipt in a recess of a circular window of transparent or
translucent material and a skirt depending downwardly from the top.
The skirt of the inner cap has internal threads for engaging a neck
of the container. The top of the inner cap includes a plurality of
asymmetric slots formed upon an upper surface of the top and an
exterior surface of the skirt. The teeth of the outer cap are
adapted for engagement with the slots of the inner cap. When the
outer cap is rotated in a first or closing (typically clockwise)
direction, the outer cap teeth engage the slots of the inner cap to
cause the inner cap to rotate along with the outer cap in a
direction to tighten the inner cap onto a container.
[0009] When the outer cap is rotated in a second, opening
(typically counterclockwise) direction in combination with the
application of a predetermined downwardly directed force, wherein
the downwardly directed force causes the teeth of the outer cap to
engage the slots of the inner cap, the inner cap rotates in the
second direction along with the outer cap so as to loosen the inner
cap from the container. The outer cap teeth each have a vertical
closing face and an angled opening face. The inner cap slots
likewise each have a vertical closing face and an angled opening
face. When the outer cap is rotated in the first or closing
direction, the teeth of the outer cap drop into the slots of the
inner cap and the vertical faces of the teeth of the outer cap
engage the vertical faces of the slots of the inner cap. Therefore,
when the teeth of the outer cap are engaged with the teeth of the
inner cap, during rotation in a first or closing direction, no
downwardly directed force need be applied to the outer cap to screw
the inner cap onto a container.
[0010] By contrast, when the outer cap is rotated a second or
loosening direction, the angled faces of the teeth of the outer cap
bear against angled faces of the slots of the inner cap. This
angled interface requires that a downwardly directed force be
applied to the outer cap so as to keep the teeth of the outer cap
engaged with the slots of inner cap, during rotation of the outer
cap, and consequently the inner cap in the second direction. In the
absence of the application of a downward force, the inner cap
remains in place, i.e. does not rotate, and the outer cap teeth
slide over the inner cap slots causing a clicking or grating sound
as the teeth ride in and out of the slots. The combination of being
required to simultaneously apply a downwardly directed force and a
rotational force to the outer cap in order to loosen and remove the
inner cap is considered to be beyond the abilities of a child and
thus gives the cap its child resistant properties.
[0011] The above and other advantages of the child resistant
closure of the present invention will be described in more detail
below.
BRIEF DESCRIPTION OF DRAWINGS
[0012] FIG. 1 is an exploded, perspective view of a child resistant
closure with a viewing window in accordance with the present
invention.
[0013] FIG. 2A is a cross-sectional view of the child resistant
closure of FIG. 1, shown with an outer cap in a retracted
position.
[0014] FIG. 2B is a cross-sectional view of the child resistant
closure of FIG. 1, shown with the outer cap in an extended position
and with a flip top lid open.
[0015] FIG. 3 is a perspective view of the outer cap of the child
resistant closure of FIG. 1.
[0016] FIG. 4 is a top view of the outer cap and a bottom view of
the attached flip top lid of the child resistant closure of FIG.
1.
[0017] FIG. 5 is a bottom view of the outer cap and a top view of
the attached flip top lid of the child resistant closure of FIG.
1.
[0018] FIG. 6 is a cross sectional view of the outer cap taken
along the line 5-5 of FIG. 5.
[0019] FIG. 7 is a perspective view of an inner cap of the child
resistant closure of FIG. 1.
[0020] FIG. 8 is a top view of the inner cap of the child resistant
closure of FIG. 1.
[0021] FIG. 9 is a cross-sectional view of the inner cap taken
along the line 8-8 of FIG. 8.
[0022] FIG. 10 is a perspective view of the lens of the outer cap
shown in FIGS. 2A and 2B.
[0023] FIG. 11 is a perspective view of the viewing window of the
inner cap shown in FIGS. 2A and 2B.
[0024] FIG. 12 is a perspective view of the viewing window of the
child resistant closure of FIG. 1.
[0025] FIG. 13 is a side view of an alternative embodiment of the
viewing window of the child resistant closure of FIG. 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0026] The present invention will now be described more fully
hereinafter with reference to the accompanying drawings, in which
preferred embodiments of the invention are shown. The invention
may, however, be embodied in many different forms and should not be
construed as being limited to the embodiments set forth herein.
Rather these embodiments are provided so that this disclosure will
be thorough and complete, and will fully convey the scope of the
invention to those skilled in the art. Like numbers refer to like
elements throughout.
[0027] Referring to FIGS. 1-12, the child resistant closure of the
present invention 10 includes an outer cap 12 and an inner cap 14.
The outer cap 12 has a top portion 16 and a skirt portion 18
depending downwardly from the top portion 16. The top portion 16
includes a generally circular opening 22 equipped with a
transparent or translucent lens 34, which is centered over a
viewing window 24 of the inner cap 14. The outer cap 12 may also be
equipped with a flip open lid 20 which is operable to cover and
uncover the lens 34 and viewing window 24. The flip open lid 20 may
include indicia 26 on an outer surface 28 and may also include
indicia 32 on an inner surface 30. The flip open lid 20 further
includes a plurality of circular ribs 44A which mate with a
plurality of circular ribs 44B formed in the top portion 16 of the
outer cap 12. The pluralities of circular ribs 44A and 44B lock the
flip top lid 20 to the upper portion 16 of the outer cap 12 and
require a predetermined amount of force to effect closure of the
flip top lid 20 to the outer cap 12 and likewise to unlock the flip
top lid 20 from the outer cap 12. The skirt 18 of the outer cap 12
may also be equipped with a plurality of ribs 80 or like surfaces
to improve a user's ability to grip the cap.
[0028] The outer cap 12 and inner cap 14 are configured such that
the outer cap 12 is telescopically coupled to the inner cap 14,
i.e. the outer cap 12 may move axially over the inner cap 14, i.e.
up and down a skirt 50 of the inner cap 14, for a predetermined
distance. This makes the lens 34 adjustable over the range of the
outer cap's axial movement. The effective magnification of the lens
34 may be changed by moving outer cap 12 either further or closer
to the contents of a container 36.
[0029] In alternative embodiments, the outer cap 12 may be equipped
with the viewing window 24 rather than the 34 lens, and the inner
cap 14 may be equipped with the lens 34 rather than the viewing
window 24. In another alternative embodiment, the outer cap 12 may
be equipped with neither the lens 34 nor the viewing window 24 and
the inner cap 14 may be equipped with either the lens 34 or the
viewing window 24.
[0030] For some types of products, a coverable viewing window 24 is
desirable as exposure to light may degrade the products. The skirt
18 of the outer cap 12 also includes a plurality of asymmetric
teeth 38 depending downwardly from the top portion 16 and formed
integrally upon an inner wall 40 of the skirt 18 below the viewing
window 22 installed in the top portion 16. The top portion 16 of
the outer cap 12 also includes a circular recess 42 for receipt of
the lens 34.
[0031] The inner cap 14 also has a top portion 44 with and the
skirt 50 depending downwardly from the top portion 44. The top
portion 44 includes a generally circular central opening 46 and a
generally circular side wall 48. Concentric with the generally
circular opening 46 is a generally circular recess 43 for receipt
of the viewing window 24. The skirt 50 of the inner cap 14 has a
plurality of internal threads 52 for engaging a neck 54 of the
container 36, wherein the neck 54 has a plurality of external
threads 55 which mate with the internal threads 52 of the inner cap
14.
[0032] The top portion 44 of the inner cap 14 includes including a
plurality of asymmetric slots 56 formed upon an upper surface 58 of
the top portion 44 and an exterior surface of the skirt 50. The
teeth 38 of the outer cap 12 are adapted for engagement with the
slots 56 of the inner cap 14. When the outer cap 12 is rotated in a
first or locking direction (typically clockwise), the teeth 38 of
the outer cap 12 engage the slots 56 of the inner cap 14 to cause
the inner cap to rotate along with the outer cap 12 in the first
direction to tighten the inner cap 14 onto the container 36.
[0033] When the outer cap 12 is rotated in a second or opening
direction (typically counter-clockwise) in combination with the
application of a predetermined downwardly directed force which
directs the teeth 38 of the outer cap 12 towards the slots 56 of
the inner cap 14, the teeth 38 of the outer cap engage the slots 56
of the inner cap 14 to cause the inner cap 14 to rotate in the
second direction along with the outer cap 12 as to loosen the inner
cap 14 from the container 36.
[0034] The teeth 38 of the outer cap 12 each have a vertical
closing face 60 and an angled opening face 62. (See FIG. 6.) The
angled opening face of the teeth 38 of the outer cap 12 are
inclined at an angle within the range of about 30 to 60 degrees
from vertical. Similarly, the slots 56 of the inner cap 14 have an
angled opening face 66. The angled opening face 66 of the slots 56
of the inner cap 14 are also inclined at an angle within the range
of about 30 to 60 degrees from vertical. It is preferred that the
opening faces 62 of the teeth 38 and the opening faces 66 of the
slots 56 be of the same angle, though this is not a requirement for
the child resistant closure 10 to operate.
[0035] When the outer cap 12 is rotated in the first or closing
direction (typically clockwise), the teeth 38 of the outer cap 12
drop into the slots 56 of the inner cap 14 and the vertical closing
faces 60 of the teeth 38 engage vertical closing faces 64 in the
slots 56 of the inner cap 14. Therefore, when the teeth 38 of the
outer cap 12 are engaged with the slots 56 of the inner cap 14,
during rotation in the first or closing direction, the vertical
closing faces 60 of the teeth 38 of the outer cap 56 are squarely
engaged with the vertical closing faces 64 of the slots 56 and
therefore, no downwardly directed force need be applied to the
outer cap 12 to screw the inner cap 14 onto the bottle or container
36.
[0036] By contrast, when the outer cap 12 is rotated in the second
or opening direction, the angled faces 62 of the teeth 38 of the
outer cap 12 bear against angled faces 66 of the slots 56 of the
inner cap 14. This angled interface requires that a predetermined
downwardly directed force be applied to the outer cap 12 to keep
the teeth 38 of the outer cap 12 engaged with the slots 56 of inner
cap 14, during rotation in the second direction of the outer cap 12
and consequently, the inner cap 14.
[0037] In the absence of the application of a downward force, the
inner cap 14 remains in place, i.e. does not rotate, and the teeth
38 of the outer cap 12 slide over the slots 56 of the inner cap 14
causing a clicking or grating sound as the teeth 38 ride in and out
of the slots 56. The combination of being required to
simultaneously apply a predetermined downwardly directed force and
a rotational force to the outer cap 12 in order to loosen and
remove the inner cap 14 is thought to be beyond the abilities of a
child and thus gives the closure 10 its child resistant properties.
The degree of predetermined downwardly directed force needed to
maintain engagement of the teeth 38 in the slots 56 when rotated in
the second or opening direction is a function of the angle of the
opening faces 62 and 66 of the teeth 38 and slots 56, respectively.
Generally, larger face angles require larger a larger downwardly
directed force to maintain tooth and slot engagement during
rotation in the second direction.
[0038] With reference to FIGS. 2A, 2B, 6 and 9-12, the outer cap 12
is equipped with a recess 44 for receipt of the lens 34. (See FIG.
6.) Similarly, the inner cap 14 is equipped with a recess 43 for
receipt of the viewing window 24. The lens 34 and viewing window 24
may be made from either transparent or translucent materials. The
recess 44 of the outer cap 12 and an outside diameter 68 of the
lens 34 are configured such that the lens 34 is a snap fit or
interference fit within the recess 44 of the outer cap 12.
Likewise, the recess 43 of the inner cap 14 and an outside diameter
78 of the viewing window 24 are configured such that the viewing
window 24 is a snap fit or interference fit within the recess 43 of
the inner cap 14. Alternative methods of attaching the lens 34 and
viewing window 24 to the outer and inner caps 12 and 14,
respectively, include ultrasonic welding, staking and
adhesives.
[0039] The outer cap 12 and inner cap 14 are configured such that
the inner cap 14 is slideably received within the outer cap 12,
i.e. that an outside diameter 70 of the generally circular side
wall 48 of the inner cap 12 is slidable within an inner diameter 72
of the skirt 18 of the outer cap 12. (See FIGS. 2A and 2B.) Thus,
the generally circular opening 22 of the outer cap 12 will be
axially aligned with the generally circular opening 46 of the inner
cap 14. The outer cap 12 includes a generally bulbous circular
ridge 76. During assembly the top portion 44 of the inner cap 14 is
pressed into the outer cap 12, past the generally bulbous circular
ridge 76, which thereafter keeps the inner cap 14 retained within
the outer cap 12. When the child resistant closure 10 is installed
on a bottle or container 36, the inner cap 14 is fixed to the
bottle 36 via the mating internal threads 52 of the inner cap 12
and external threads 56 of the bottle 36.
[0040] The outer cap 12 however is free to move axially or
telescopically a predetermined distance with respect to the inner
cap 14. The amount of axial movement being established by the
interface between the top portion 44 of the inner cap 14 and the
generally bulbous circular ridge 76 of the outer cap 12 at one end,
and by the interface between the teeth 38 of the outer cap 12 and
slots 56 of the inner cap 14 at the other end. When the viewing
window 24 is the lens 34, the range of axial movement of the outer
cap 12 allows for a range of adjustability of the axial position of
the lens 34, and thus its magnification of the contents of the
container 36. FIG. 2A shows the outer cap 12 in a fully depressed
position with respect to inner cap 14. FIG. 2B shows outer cap 12
in a fully extended position with respect to inner cap 14.
[0041] While the present invention has been described with regards
to particular embodiments, it is recognized that additional
variations of the present invention may be devised without
departing from the inventive concept.
* * * * *