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Publication numberUS3716161 A
Publication typeGrant
Publication dateFeb 13, 1973
Filing dateOct 26, 1971
Priority dateOct 26, 1971
Also published asCA952858A1
Publication numberUS 3716161 A, US 3716161A, US-A-3716161, US3716161 A, US3716161A
InventorsGach P, Julian R
Original AssigneeSunbeam Plastics Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Safety closure for a medicine bottle or the like
US 3716161 A
Abstract
A safety closure for a medicine bottle or the like. The closure and bottle neck have cooperating lug and ramp means of the bayonet type. The closure is placed over the bottle neck, depressed onto the neck and rotated relative to the neck to engage the lugs and ramps. To remove the closure, it is pressed downwardly to disengage the lugs and then rotated in the opposite direction. The closure is biased upwardly relative to the bottle neck by the engagement of an annular conical shoulder on the closure with upwardly turned fingers on a disc-like biasing element that is positioned between the top of the closure and the end of the bottle neck.
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United States Patent 1 Julian et a1.

[54] SAFETY CLOSURE on A MEDICINE BOTTLE .OR THE LIKE [75] lnventors: Randall K. Julian, Elberfeld; Peter R. Gach, Evansville, both of Ind.

[ Feb. 13, 1973 Attorney-Carl F. Schaffer et al.

[5 7] ABSTRACT A safety closure for a medicine bottle or the like. The closure and bottle neck have cooperating lug and ramp means of the bayonet type. The closure is placed over the bottle neck, depressed onto the neck and rotated relative to the neck to engage the lugs and ramps. To remove the closure, it is pressed downwardly to disengage the lugs and then rotated in the opposite direction. The closure is biased upwardly relative to the bottle neck by the engagement of an annular conical shoulder on the closure with upwardly turned fingers on a disc-like biasing element that is positioned between the top of the closure and the end of the bottle neck.

4 Claims, 6 Drawing Figures [73] Assignee: Sunbeam Plastics Corporation,

Evansville; Ind.

[22] Filed: Oct. 26, 1971 [21] Appl.No.: 192,417

[52] U.S.Cl...' ..215/9 [51] 1nt.Cl. ..B6 5d 55/02 [58] FieldolSearch ..2l5/9,44

[56] References Cited UNITED STATES PATENTS 3,394,829 7/1968 Peterson ..2l5/9 2,964,207 12/1960 Towns ..2l5/9 PATENTEDFEB 13 I975 III/I IIIIIIIII [III II INVENTORS: RANDALL K. JULIAN BY PE TEE P. EACH. @114 f .ATTZYS SAFETY CLOSURE FOR A MEDICINE BOTTLE OR THE LIKE BACKGROUND OF THE INVENTION order to make the bottles significantly difficult to open 1 by a child of the age of, say, five or six years, yet readily openable by an older child or an adult. Many of these suggestions have been complex, comprising mazes and combination locks; others have been useable only for dry materials such as pills and tablets; others have required numerous engageable pieces which must be assembled by the cap manufacturer and thus which are expensive and raise the cost of the closures beyond the price which can reasonably be included in the sale price of the container and its contents.

Numerous suggestions have also been made of socalled push-and-turn" closures comprising ramps and lugs formed on the outer sides of the container necks and inner sides of the caps, such ramps and lugs being of the bayonet type which are engageable and disengageable by relatively moving the cap and bottle axially and then turning. Some of these push-and-turn closures have been relatively satisfactory for dry products but have not been capable of providing a seal at the end of the container neck so as to satisfactorily contain liquids. Some closures of this type have also been a wkward and unsatisfactory because the means for providing a biasing force to hold the bayonet lugs and rampsin engagement have been inefficient so that, even after the caps are in place on the containers, they are relatively loose and can easily be removed. I

It is, therefore, the principal object of the instant invention to provide a relatively simple safety closure for a bottle containing either solid or liquid materials and comprising a cap which is retained on the bottle neck by bayonet type interfitting locking means and a simple biasing means positioned between the end of the neck of the bottle and the inner surface of the cap which is effective to bias the cap upwardly relative to'the container neck with sufficient force to retain the cap in closed position when onthe bottle, to enable the sealing of the end of the bottle for retaining liquids, and to provide a force which is significantly difficult to over-, come in order to remove the cap so as to make the cap very difficult to removal by a small child.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is a fragmentary, vertical, sectional view of a container equipped with a safety closure embodying the invention and illustrated in closed position;

FIG. 2 is a'view similar to FIG. 1 but illustrating the closure and the bottle in an intermediate position duringeither the closing or openingof the bottle;

FIG. 3 is a vertical,sectional view of a cap and biasing means embodying the invention;

FIG. 4 is a bottom view takenalong the line 4-4 of FIG. 3,; 7

FIG. 5 is a view in perspective of a biasing means constructed according to the instant invention; and

FIG. 6 is a fragmentary view in perspective of the cap shown in FIG. 3.

2 DESCRIPTION OF PREFERRED EMBODIMENT A safety closure embodying the invention is generally indicated by the reference number 10 and comprises an inverted, generally cup-shaped cap 11 and a biasing means 12. The cap 11 in this embodiment has a plurality of inwardly directed lugs 13 formed on the inner surface of its annular skirt 14. The lugs 13 are cooperating elements of interfrtting locking means also 0 comprising a similar number of ramps 15 formed on the outer cylindrical surface of a container neck 16 with which the closure 10 is to be employed. The lugs 13 and ramps 15 provide locking means of the bayonet type which function to retain the cap 10 on the neck 16 when the closure is in place. As in the case of other bayonet type closures, engagement and disengagement of the lugs 13 and ramps 15 is accomplished by relative axial movement of the cap 11 and the bottle neck 16 preceded or followed by relative rotation of the two and then further axial movement of the cap 11.

Biasing force for retaining the lugs 13 in engaged position (FIG. 1) and for resisting the axial movement necessary to disengage the lugs 13 from recesses 17 in the ramps 15 (movement from the position of FIG. I to the position of FIG. 2) is provided in this embodiment of the invention by the biasing means 12. The biasing means 12 has a disc-like body 18 and a plurality of axially extending resilient fingers 19.

The cap 11 has a generally flat, circular top 20 and an annular, inwardly and upwardly directed shoulder 21 which joins the circular margin of the top 20 to the upper portion of the cap skirt 14. Although the shoulder 21 is shown in the drawings as being conical, the specific shape is not critical and it is only necessary that the shoulder 21 be inclined inwardly and upwardly so as to be engageably by the upper ends of the fingers 19 in order to flex the fingers l9 inwardly when the cap 11 is forced downwardly thus to apply biasing force against the cap 11 tending to urge it upwardly. The lengthof the fingers l9 and the relative positions of the lugs 13 and ramps 15 must be such that the fingers are held in inwardly flexed position (FIG. 1) even after the engagement of the interfitting lugs 13 and ramps 15 thus to continue to exert biasing force for retaining these interfitting means in engagement.

The fingers 19 must also be of such length and so positioned vertically relative to the other elements of the device that when the cap 11 is pressed downwardly to the limit of its movement (FIG. 2) space still remains between the uppermost end of the container neck 16 .and the disc-like body 18 of the biasing means 12, to

provide for the interposition of a seal 22 if the container'is to contain liquids. Ofeourse, if the container is merely to contain tablets or the like, the seal 22 may be eliminated.

What we claim is: I. A safety closure for a pill bottle or the like, said closure comprising l. a generally cup-shaped cap having a tubular skirt adapted to telescope over the end of the bottle neck, there being cooperating interfitting locking means on the exterior of the bottle neck and on the interior of said skirt, said cap having a generally flat top and an annular generally inwardly and upwardly extending shoulder at the junction between said top and said skirt and the bottle neck a further distance for disengaging said interfitting locking means.

3. A closure according to claim 1 in which the interfitting locking means are radially extending lugs and recessed ramps of the bayonet type.

4. A closure according to claim 3 in which the lugs are on the inner side of the skirt of the cap and also act as retainers for the biasing element.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2964207 *Apr 15, 1958Dec 13, 1960Bryant W GriffinClosure for poison bottles
US2980274 *Nov 29, 1955Apr 18, 1961Gutmann & Co FerdSafety bottle closure
US3394829 *Apr 10, 1967Jul 30, 1968Harris M. PetersonSafety cap
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3866802 *May 5, 1972Feb 18, 1975Reflex Corp Of Canada LimitedChild proof closure assembly
US3894647 *Sep 28, 1973Jul 15, 1975Sunbeam Plastics CorpChild-resistant closure
US4212411 *Jun 12, 1978Jul 15, 1980The Bendix CorporationMaster cylinder reservoir cover
US4280638 *Oct 22, 1979Jul 28, 1981Ici Americas Inc.Fluid dispensing apparatus
US4320844 *Jun 6, 1977Mar 23, 1982Cooper Michael F AReleasable locking system
US5074572 *Mar 14, 1990Dec 24, 1991Rubbermaid Commercial Products Inc.Refuse container dolly having integral alignment means
US5147052 *Sep 30, 1991Sep 15, 1992Sunbeam Plastics CorporationChild resistant closure
US5161706 *Mar 23, 1992Nov 10, 1992Primary Delivery Systems, Inc.Twist and push snap-on child resistant cap
US5213223 *Mar 23, 1992May 25, 1993Sunbeam Plastics CorporationChild resistant closure-adaptor
US5242069 *Apr 30, 1992Sep 7, 1993Michael HertrampfClosure cap for a bottle of like containers
US5529201 *May 20, 1994Jun 25, 1996Stant Manufacturing Inc.Cam-on filler neck cap
US5803288 *Apr 2, 1996Sep 8, 1998Microstamp SrlCap for bottles having resiliently biased seal member
US5934492 *Mar 5, 1998Aug 10, 1999Jones; William ThomasSenior friendly child resistant medication containers
US6105801 *Aug 4, 1999Aug 22, 2000Rexam Medical Packaging, Inc.Container having collapsible neck finish
US6431381Oct 11, 2000Aug 13, 2002Seaquist Closures Foreign, Inc.Positive orientation systems for closures and containers
US6681945Feb 5, 2003Jan 27, 2004Valley Design, Inc.Child resistant overcap for oval container
US6905232 *Jun 11, 2003Jun 14, 2005Benny LinVibration resistant lamp structure
US7017782Sep 12, 2003Mar 28, 2006Harrold John EChild resistant safety cap for applicator tubes
US7128229 *Oct 14, 2003Oct 31, 2006QualipacPlay recovery assembly adapted to contain a fluid
US7331479Apr 29, 2004Feb 19, 2008Rexam Delta Inc.Child resistant container and cap
US7461755 *Sep 20, 2005Dec 9, 2008ComarMoisture-tight safety closure and container having a flexible neck finish
US7510094Jan 4, 2005Mar 31, 2009Rexam Closures And Containers Inc.Child resistant one piece push and turn closure
US7621413Jun 9, 2006Nov 24, 2009Seaquist Closures Foreign, Inc.Closure system with orientation and removal capability
US7673763Oct 4, 2007Mar 9, 2010Rexam Delta Inc.Child resistant container and cap
US7832578May 16, 2005Nov 16, 2010Rexam Closures And Containers Inc.Stacking feature for a child resistant push and turn closure and container combination
US7958703Oct 7, 2009Jun 14, 2011Seaquist Closures Foreign, Inc.Closure system with orientation and removal capability
US8205762 *Oct 3, 2008Jun 26, 2012Craig CarrollSafety cap assembly and container system
US8322548 *May 7, 2009Dec 4, 2012Knudsen Plast A/SPackaging
US8365933Jul 13, 2007Feb 5, 2013Aptar Freyung GmbhClosure system for a container and dispensing closure
US20100318038 *Aug 24, 2010Dec 16, 2010Becton, Dikinson And CompanySyringe and Removable Needle Assembly Having Binary Attachment Features
US20130134123 *Jul 4, 2011May 30, 2013Anthony H.J. FraserClosure For A Container
EP0729903A2 *Feb 22, 1996Sep 4, 1996Pilla Carlo DiModular unit
WO1983002763A1 *Apr 3, 1980Aug 18, 1983Edzenga LaurenceChild resistant closure device
Classifications
U.S. Classification215/330, 215/342, D09/454
International ClassificationB65D41/06, B65D41/04
Cooperative ClassificationB65D41/06
European ClassificationB65D41/06