US20190233184A1 - Child Resistant Flip Top Cap with Adjustable Viewing Window - Google Patents
Child Resistant Flip Top Cap with Adjustable Viewing Window Download PDFInfo
- Publication number
- US20190233184A1 US20190233184A1 US15/986,650 US201815986650A US2019233184A1 US 20190233184 A1 US20190233184 A1 US 20190233184A1 US 201815986650 A US201815986650 A US 201815986650A US 2019233184 A1 US2019233184 A1 US 2019233184A1
- Authority
- US
- United States
- Prior art keywords
- cap
- inner cap
- outer cap
- child resistant
- teeth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
- B65D51/245—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes provided with decoration, information or contents indicating devices, labels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
- B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
- B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
- B65D50/041—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one the closure comprising nested inner and outer caps or an inner cap and an outer coaxial annular member, which can be brought into engagement to enable removal by rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/01—Details relating to container closures making a sound upon actuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/02—Grip means
- B65D2251/023—Ribs or recesses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/10—Details of hinged closures
Definitions
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- FIG. 1 is an exploded, perspective view of a child resistant closure with a viewing window in accordance with the present invention.
- FIG. 2A is a cross-sectional view of the child resistant closure of FIG. 1 , shown with an outer cap in a retracted position.
- 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.
- FIG. 3 is a perspective view of the outer cap of the child resistant closure of FIG. 1 .
- 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 .
- 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 .
- FIG. 6 is a cross sectional view of the outer cap taken along the line 5 - 5 of FIG. 5 .
- FIG. 7 is a perspective view of an inner cap of the child resistant closure of FIG. 1 .
- FIG. 8 is a top view of the inner cap of the child resistant closure of FIG. 1 .
- FIG. 9 is a cross-sectional view of the inner cap taken along the line 8 - 8 of FIG. 8 .
- FIG. 10 is a perspective view of the lens of the outer cap shown in FIGS. 2A and 2B .
- FIG. 11 is a perspective view of the viewing window of the inner cap shown in FIGS. 2A and 2B .
- FIG. 12 is a perspective view of the viewing window of the child resistant closure of FIG. 1 .
- FIG. 13 is a side view of an alternative embodiment of the viewing window of the child resistant closure of FIG. 1 .
- 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 44 A which mate with a plurality of circular ribs 44 B formed in the top portion 16 of the outer cap 12 .
- the pluralities of circular ribs 44 A and 44 B 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.
- 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.
- 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 .
- 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 .
- 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 .
- 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 .
- 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 .
- 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 .
- 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 .
- 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.
- 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.
- 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 .
- the inner cap 14 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.
- the outer cap 12 is equipped with a recess 44 for receipt of the lens 34 .
- 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 .
- 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.
- 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 .
- 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 .
- 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.
- 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 .
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.
Description
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- The above and other advantages of the child resistant closure of the present invention will be described in more detail below.
-
FIG. 1 is an exploded, perspective view of a child resistant closure with a viewing window in accordance with the present invention. -
FIG. 2A is a cross-sectional view of the child resistant closure ofFIG. 1 , shown with an outer cap in a retracted position. -
FIG. 2B is a cross-sectional view of the child resistant closure ofFIG. 1 , shown with the outer cap in an extended position and with a flip top lid open. -
FIG. 3 is a perspective view of the outer cap of the child resistant closure ofFIG. 1 . -
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 ofFIG. 1 . -
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 ofFIG. 1 . -
FIG. 6 is a cross sectional view of the outer cap taken along the line 5-5 ofFIG. 5 . -
FIG. 7 is a perspective view of an inner cap of the child resistant closure ofFIG. 1 . -
FIG. 8 is a top view of the inner cap of the child resistant closure ofFIG. 1 . -
FIG. 9 is a cross-sectional view of the inner cap taken along the line 8-8 ofFIG. 8 . -
FIG. 10 is a perspective view of the lens of the outer cap shown inFIGS. 2A and 2B . -
FIG. 11 is a perspective view of the viewing window of the inner cap shown inFIGS. 2A and 2B . -
FIG. 12 is a perspective view of the viewing window of the child resistant closure ofFIG. 1 . -
FIG. 13 is a side view of an alternative embodiment of the viewing window of the child resistant closure ofFIG. 1 . - 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.
- Referring to
FIGS. 1-12 , the child resistant closure of thepresent invention 10 includes anouter cap 12 and aninner cap 14. Theouter cap 12 has atop portion 16 and askirt portion 18 depending downwardly from thetop portion 16. Thetop portion 16 includes a generallycircular opening 22 equipped with a transparent ortranslucent lens 34, which is centered over aviewing window 24 of theinner cap 14. Theouter cap 12 may also be equipped with a flipopen lid 20 which is operable to cover and uncover thelens 34 andviewing window 24. The flipopen lid 20 may includeindicia 26 on anouter surface 28 and may also includeindicia 32 on aninner surface 30. The flipopen lid 20 further includes a plurality ofcircular ribs 44A which mate with a plurality ofcircular ribs 44B formed in thetop portion 16 of theouter cap 12. The pluralities ofcircular ribs top lid 20 to theupper portion 16 of theouter cap 12 and require a predetermined amount of force to effect closure of the fliptop lid 20 to theouter cap 12 and likewise to unlock the fliptop lid 20 from theouter cap 12. Theskirt 18 of theouter cap 12 may also be equipped with a plurality ofribs 80 or like surfaces to improve a user's ability to grip the cap. - The
outer cap 12 andinner cap 14 are configured such that theouter cap 12 is telescopically coupled to theinner cap 14, i.e. theouter cap 12 may move axially over theinner cap 14, i.e. up and down askirt 50 of theinner cap 14, for a predetermined distance. This makes thelens 34 adjustable over the range of the outer cap's axial movement. The effective magnification of thelens 34 may be changed by movingouter cap 12 either further or closer to the contents of acontainer 36. - In alternative embodiments, the
outer cap 12 may be equipped with theviewing window 24 rather than the 34 lens, and theinner cap 14 may be equipped with thelens 34 rather than theviewing window 24. In another alternative embodiment, theouter cap 12 may be equipped with neither thelens 34 nor theviewing window 24 and theinner cap 14 may be equipped with either thelens 34 or theviewing window 24. - For some types of products, a
coverable viewing window 24 is desirable as exposure to light may degrade the products. Theskirt 18 of theouter cap 12 also includes a plurality ofasymmetric teeth 38 depending downwardly from thetop portion 16 and formed integrally upon aninner wall 40 of theskirt 18 below theviewing window 22 installed in thetop portion 16. Thetop portion 16 of theouter cap 12 also includes acircular recess 42 for receipt of thelens 34. - The
inner cap 14 also has atop portion 44 with and theskirt 50 depending downwardly from thetop portion 44. Thetop portion 44 includes a generally circularcentral opening 46 and a generallycircular side wall 48. Concentric with the generallycircular opening 46 is a generallycircular recess 43 for receipt of theviewing window 24. Theskirt 50 of theinner cap 14 has a plurality ofinternal threads 52 for engaging aneck 54 of thecontainer 36, wherein theneck 54 has a plurality ofexternal threads 55 which mate with theinternal threads 52 of theinner cap 14. - The
top portion 44 of theinner cap 14 includes including a plurality ofasymmetric slots 56 formed upon anupper surface 58 of thetop portion 44 and an exterior surface of theskirt 50. Theteeth 38 of theouter cap 12 are adapted for engagement with theslots 56 of theinner cap 14. When theouter cap 12 is rotated in a first or locking direction (typically clockwise), theteeth 38 of theouter cap 12 engage theslots 56 of theinner cap 14 to cause the inner cap to rotate along with theouter cap 12 in the first direction to tighten theinner cap 14 onto thecontainer 36. - 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 theteeth 38 of theouter cap 12 towards theslots 56 of theinner cap 14, theteeth 38 of the outer cap engage theslots 56 of theinner cap 14 to cause theinner cap 14 to rotate in the second direction along with theouter cap 12 as to loosen theinner cap 14 from thecontainer 36. - The
teeth 38 of theouter cap 12 each have avertical closing face 60 and anangled opening face 62. (SeeFIG. 6 .) The angled opening face of theteeth 38 of theouter cap 12 are inclined at an angle within the range of about 30 to 60 degrees from vertical. Similarly, theslots 56 of theinner cap 14 have an angledopening face 66. Theangled opening face 66 of theslots 56 of theinner 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 theteeth 38 and the opening faces 66 of theslots 56 be of the same angle, though this is not a requirement for the childresistant closure 10 to operate. - When the
outer cap 12 is rotated in the first or closing direction (typically clockwise), theteeth 38 of theouter cap 12 drop into theslots 56 of theinner cap 14 and the vertical closing faces 60 of theteeth 38 engage vertical closing faces 64 in theslots 56 of theinner cap 14. Therefore, when theteeth 38 of theouter cap 12 are engaged with theslots 56 of theinner cap 14, during rotation in the first or closing direction, the vertical closing faces 60 of theteeth 38 of theouter cap 56 are squarely engaged with the vertical closing faces 64 of theslots 56 and therefore, no downwardly directed force need be applied to theouter cap 12 to screw theinner cap 14 onto the bottle orcontainer 36. - By contrast, when the
outer cap 12 is rotated in the second or opening direction, the angled faces 62 of theteeth 38 of theouter cap 12 bear against angled faces 66 of theslots 56 of theinner cap 14. This angled interface requires that a predetermined downwardly directed force be applied to theouter cap 12 to keep theteeth 38 of theouter cap 12 engaged with theslots 56 ofinner cap 14, during rotation in the second direction of theouter cap 12 and consequently, theinner cap 14. - In the absence of the application of a downward force, the
inner cap 14 remains in place, i.e. does not rotate, and theteeth 38 of theouter cap 12 slide over theslots 56 of theinner cap 14 causing a clicking or grating sound as theteeth 38 ride in and out of theslots 56. The combination of being required to simultaneously apply a predetermined downwardly directed force and a rotational force to theouter cap 12 in order to loosen and remove theinner cap 14 is thought to be beyond the abilities of a child and thus gives theclosure 10 its child resistant properties. The degree of predetermined downwardly directed force needed to maintain engagement of theteeth 38 in theslots 56 when rotated in the second or opening direction is a function of the angle of the opening faces 62 and 66 of theteeth 38 andslots 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. - With reference to
FIGS. 2A, 2B, 6 and 9-12 , theouter cap 12 is equipped with arecess 44 for receipt of thelens 34. (SeeFIG. 6 .) Similarly, theinner cap 14 is equipped with arecess 43 for receipt of theviewing window 24. Thelens 34 andviewing window 24 may be made from either transparent or translucent materials. Therecess 44 of theouter cap 12 and an outside diameter 68 of thelens 34 are configured such that thelens 34 is a snap fit or interference fit within therecess 44 of theouter cap 12. Likewise, therecess 43 of theinner cap 14 and anoutside diameter 78 of theviewing window 24 are configured such that theviewing window 24 is a snap fit or interference fit within therecess 43 of theinner cap 14. Alternative methods of attaching thelens 34 andviewing window 24 to the outer andinner caps - The
outer cap 12 andinner cap 14 are configured such that theinner cap 14 is slideably received within theouter cap 12, i.e. that anoutside diameter 70 of the generallycircular side wall 48 of theinner cap 12 is slidable within aninner diameter 72 of theskirt 18 of theouter cap 12. (SeeFIGS. 2A and 2B .) Thus, the generallycircular opening 22 of theouter cap 12 will be axially aligned with the generallycircular opening 46 of theinner cap 14. Theouter cap 12 includes a generally bulbouscircular ridge 76. During assembly thetop portion 44 of theinner cap 14 is pressed into theouter cap 12, past the generally bulbouscircular ridge 76, which thereafter keeps theinner cap 14 retained within theouter cap 12. When the childresistant closure 10 is installed on a bottle orcontainer 36, theinner cap 14 is fixed to thebottle 36 via the matinginternal threads 52 of theinner cap 12 andexternal threads 56 of thebottle 36. - The
outer cap 12 however is free to move axially or telescopically a predetermined distance with respect to theinner cap 14. The amount of axial movement being established by the interface between thetop portion 44 of theinner cap 14 and the generally bulbouscircular ridge 76 of theouter cap 12 at one end, and by the interface between theteeth 38 of theouter cap 12 andslots 56 of theinner cap 14 at the other end. When theviewing window 24 is thelens 34, the range of axial movement of theouter cap 12 allows for a range of adjustability of the axial position of thelens 34, and thus its magnification of the contents of thecontainer 36.FIG. 2A shows theouter cap 12 in a fully depressed position with respect toinner cap 14.FIG. 2B showsouter cap 12 in a fully extended position with respect toinner cap 14. - 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.
Claims (20)
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.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/986,650 US20190233184A1 (en) | 2018-02-01 | 2018-05-22 | Child Resistant Flip Top Cap with Adjustable Viewing Window |
US29/654,879 USD867882S1 (en) | 2018-02-01 | 2018-06-28 | Child proof flip-top cap |
CA3032157A CA3032157A1 (en) | 2018-02-01 | 2019-01-31 | Child resistant flip top cap with adjustable viewing window |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862624958P | 2018-02-01 | 2018-02-01 | |
US15/986,650 US20190233184A1 (en) | 2018-02-01 | 2018-05-22 | Child Resistant Flip Top Cap with Adjustable Viewing Window |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/654,879 Continuation USD867882S1 (en) | 2018-02-01 | 2018-06-28 | Child proof flip-top cap |
Publications (1)
Publication Number | Publication Date |
---|---|
US20190233184A1 true US20190233184A1 (en) | 2019-08-01 |
Family
ID=67391801
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/986,650 Abandoned US20190233184A1 (en) | 2018-02-01 | 2018-05-22 | Child Resistant Flip Top Cap with Adjustable Viewing Window |
US29/654,879 Active USD867882S1 (en) | 2018-02-01 | 2018-06-28 | Child proof flip-top cap |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/654,879 Active USD867882S1 (en) | 2018-02-01 | 2018-06-28 | Child proof flip-top cap |
Country Status (2)
Country | Link |
---|---|
US (2) | US20190233184A1 (en) |
CA (1) | CA3032157A1 (en) |
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USD884418S1 (en) * | 2018-12-19 | 2020-05-19 | Shen Zhen Xin Yue Tang Plastic & Hardware Co., Ltd | Water bottle cap |
USD885895S1 (en) * | 2018-06-19 | 2020-06-02 | Betapack, S.A.U. | Cap for a bottle |
WO2021087295A1 (en) * | 2019-10-30 | 2021-05-06 | Cr Packaging Llc | Child resistant container having integrated window |
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USD890565S1 (en) * | 2018-10-29 | 2020-07-21 | Peter Barsoom | Child safe beverage can lid |
USD920114S1 (en) * | 2018-11-28 | 2021-05-25 | Conopco, Inc. | Combined spout and cap |
USD926585S1 (en) | 2018-11-28 | 2021-08-03 | Conopco, Inc. | Food package with graphics |
USD926577S1 (en) * | 2019-09-23 | 2021-08-03 | Verdant Ventures | Tamper-resistant lid assembly |
USD984892S1 (en) * | 2020-10-08 | 2023-05-02 | Pws Packaging Services, Inc. | Lid |
USD974173S1 (en) * | 2020-10-14 | 2023-01-03 | Pws Packaging Services, Inc. | Lid |
USD988836S1 (en) * | 2020-11-12 | 2023-06-13 | SOMA GmbH & Co. KG | Antitheft device |
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Also Published As
Publication number | Publication date |
---|---|
CA3032157A1 (en) | 2019-08-01 |
USD867882S1 (en) | 2019-11-26 |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |