US3679085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child-proof cap for medicine bottles
Assignee: Silgan Plastic Food Containers Corp
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Filing: 1971-04-16
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Granted: 1972-07-25
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Expires: 1991-04-16
Abstract
Abstract A child-proof cap for medicine bottles or the like having an inner threaded closure member and an outer overcap or driver. The closure and driver have co-operating one-way driving means for screwing the closure onto the bottle which are engaged by pushing the driver down, and second co-operating driving means for unscrewing the closure which are engaged by pulling the driver upwardly and squeezing its walls inwardly.
Inventors
- 👤 Peter P Gach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/041
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
187 words
A child-proof cap for medicine bottles and the like, having threaded necks, said cap consisting of a. an inner, inverted, cup-shaped closure having, 1. a tubular side wall, 2. a disc-shaped top, the interior of said side wall having threads adapted to be screwed on to and off of such bottle neck, b. an outer, inverted, cup-shaped driver having, 1. a tubular side wall of axial length greater than the side wall of said closure, 2. an inwardly directed lip at the lower end of said side wall adapted to snap beneath the lower edge of the side wall of said closure for retaining said driver on said closure, c. first co-operating one-way driving means on said closure and said driver, 1. said first driving means being engaged by moving said driver downwardly onto said closure and effective for rotating said closure onto the bottle, and d. second, co-operating driving means, 1. a first element thereof comprising an abutment on the exterior of the side wall of said closure and a second element thereof being a radially inwardly displaceable segment of the side wall of said driver.
Claim 2
Dependent Claim
187 words
A child-proof cap for medicine bottles and the like, having threaded necks, said cap consisting of a. an inner, inverted, cup-shaped closure having, 1. a tubular side wall, 2. a disc-shaped top, the interior of said side wall having threads adapted to be screwed on to and off of such bottle neck, b. an outer, inverted, cup-shaped driver having, 1. a tubular side wall of axial length greater than the side wall of said closure, 2. an inwardly directed lip at the lower end of said side wall adapted to snap beneath the lower edge of the side wall of said closure for retaining said driver on said closure, c. first co-operating one-way driving means on said closure and said driver, 1. said first driving means being engaged by moving said driver downwardly onto said closure and effective for rotating said closure onto the bottle, and d. second, co-operating driving means, 1. a first element thereof comprising an abutment on the exterior of the side wall of said closure and a second element thereof being a radially inwardly displaceable segment of the side wall of said driver.
Claim 3
Dependent Claim
30 words
a disc-shaped top, the interior of said side wall having threads adapted to be screwed on to and off of such bottle neck, b. an outer, inverted, cup-shaped driver having,
Claim 4
Dependent Claim
30 words
a disc-shaped top, the interior of said side wall having threads adapted to be screwed on to and off of such bottle neck, b. an outer, inverted, cup-shaped driver having,
Claim 5
Dependent Claim
45 words
an inwardly directed lip at the lower end of said side wall adapted to snap beneath the lower edge of the side wall of said closure for retaining said driver on said closure, c. first co-operating one-way driving means on said closure and said driver,
Claim 6
Dependent Claim
45 words
an inwardly directed lip at the lower end of said side wall adapted to snap beneath the lower edge of the side wall of said closure for retaining said driver on said closure, c. first co-operating one-way driving means on said closure and said driver,
Claim 7
Dependent Claim
31 words
A cap according to claim 1 in which the first driving means consists of co-operating elements on the top of the closure and the underside of the top of the driver.
Claim 8
Dependent Claim
40 words
A cap according to claim 2 in which the first co-operating driving means consists of notches formed in the top of the closure and co-operating teeth integral with the top of said driver and extending downwardly from the undersurface thereof.
Claim 9
Dependent Claim
40 words
A cap according to claim 1 in which the closure is formed from a relatively stiff, inflexible material and the driver is formed from a relatively flexible material whereby said driver may be snapped into functioning position over said closure.
Claim 10
Dependent Claim
43 words
A cap according to claim 1 in which the elements of the second driving means consists of recesses formed in the outer side of the wall of the closure and radially inwardly displaceable lugs on the side of the wall of the driver.
Claim 11
Dependent Claim
40 words
A cap according to claim 5 in which the recesses in the wall of the closure have axially extending side walls lying in radial planes and the lugs on the side walls of the driver are complementary to said recesses.
Claim 12
Dependent Claim
59 words
A cap according to claim 5 in which the recesses in the wall of the closure have at least one generally radially extending side wall engageable for screwing the closure off of the bottle and the lugs on the side walls of the driver have at leasT one opposed edge engageable with the edge of one of such recesses.
Claim 13
Dependent Claim
43 words
A cap according to claim 5 in which the lugs are formed on sections of the side wall of the driver which sections are flexibly connected to said side wall and are displaceable radially inwardly by pressure on the exterior of said sections.
Claim 14
Dependent Claim
53 words
A cap according to claim 5 in which the recesses in the outer side wall of the closure have circumferentially extending bottom walls and the lugs on the side wall of the driver extend to a level lower than said bottom walls when said driver is at the lower position on said closure.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |