Patent US3870780A successfully refreshed from Google Patents.
Patent US3567058A successfully refreshed from Google Patents.
US3567058A
Expired / Lapsed
US
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Safety closure
Assignee: Continental Can Co Inc
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Filing: 1969-06-16
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Granted: 1971-03-02
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Expires: 1989-06-16
Abstract
Abstract A safety closure including three components having interacting means which require a combination of linear and rotary movements to open and close the closure. The closure components must be aligned in specified positions prior to changing from a linear or rotary movement.
Inventors
- 👤 Carmen T Mascia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:06
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/06; B65D50/061
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
155 words
A closure member comprising a tubular neck having a bore, a circumferential groove formed on the walls of said bore intermediate the length thereof, diametrically opposed notches in the upper end of said neck and communicating with said groove, a closure plug turnable in said neck bore and having diametrically opposed projecting pin means receivable within said groove to prevent upward lifting of said plug from said bore, actuating means for turning and lifting said plug mounted for reciprocation in said plug for linear movement between a depressed position and a raised position, and diametrically lug means on said actuating member angularly displaced from said projecting pin means and being seatable within said notches in said depressed position of said actuating member to prevent turning of said plug and being clear of said notches for turning said plug to align said pin means with said notches whereby said plug may be removed from said bore.
Claim 2
Dependent Claim
155 words
A closure member comprising a tubular neck having a bore, a circumferential groove formed on the walls of said bore intermediate the length thereof, diametrically opposed notches in the upper end of said neck and communicating with said groove, a closure plug turnable in said neck bore and having diametrically opposed projecting pin means receivable within said groove to prevent upward lifting of said plug from said bore, actuating means for turning and lifting said plug mounted for reciprocation in said plug for linear movement between a depressed position and a raised position, and diametrically lug means on said actuating member angularly displaced from said projecting pin means and being seatable within said notches in said depressed position of said actuating member to prevent turning of said plug and being clear of said notches for turning said plug to align said pin means with said notches whereby said plug may be removed from said bore.
Claim 3
Dependent Claim
20 words
The invention as defined in claim 1 wherein said projecting pin means comprises a pin extending diametrically through said bore.
Claim 4
Dependent Claim
33 words
The invention as defined in claim 2 wherein said actuating means include a post extending into said plug, said post having an elongate slot, and wherein said pin extends through said elongate slot.
Claim 5
Dependent Claim
32 words
The invention as defined in claim 3 wherein said plug is substantially cap shaped, and ribs project into the chamber of said cup and provide vertical guide surfaces for guiding said post.
Claim 6
Dependent Claim
24 words
The invention as defined in claim 4 wherein said plug and said bore are formed with complementary frustoconical seating surfaces for said sealing bore.
References Cited (Backward Citations)
US3422977A
Cited
US3430796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |