Child-resistant flip-top dispensing closure and package
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-039/00
B65D-043/04
B65D-043/02
B65D-051/04
B65D-051/00
B65D-047/00
B67B-005/00
출원번호
US-0628521
(2003-07-28)
등록번호
US-7404495
(2008-07-29)
발명자
/ 주소
Keung,Wing Kwong
출원인 / 주소
Rexam Closure Systems Inc.
대리인 / 주소
Reising, Ethington, Barnes, Kisselle, P.C.
인용정보
피인용 횟수 :
17인용 특허 :
20
초록▼
A child-resistant dispensing closure includes a base having a deck with a dispensing opening and a peripheral skirt. A lid is integrally molded with the base and coupled by a hinge to a periphery of the base so as to be pivotable between closed and open positions. One of the base and the lid has a l
A child-resistant dispensing closure includes a base having a deck with a dispensing opening and a peripheral skirt. A lid is integrally molded with the base and coupled by a hinge to a periphery of the base so as to be pivotable between closed and open positions. One of the base and the lid has a latch arm resiliently extending from its periphery diametrically opposite the hinge. The latch arm has a pair of oppositely extending tabs adjacent to a free end of the arm. The other of the base and the lid has an axial passage for receiving the latch arm, and a pair of laterally spaced ledges in the passage for engagement by the tabs to lock the lid in the closed position. The latch arm is directly manually engageable by a user from a radial direction external to the closure to pivot the latch arm radially inwardly within the passage and release the tabs from the ledges so that the lid can be pivoted to the open position.
대표청구항▼
The invention claimed is: 1. A child-resistant closure that includes: a base having a dispensing opening and a peripheral skirt, a lid molded integrally with said base end coupled by a hinge to said base so as to be pivotable about said hinge between a closed position adjacent to said dispensing op
The invention claimed is: 1. A child-resistant closure that includes: a base having a dispensing opening and a peripheral skirt, a lid molded integrally with said base end coupled by a hinge to said base so as to be pivotable about said hinge between a closed position adjacent to said dispensing opening and an open position spaced from said dispensing opening, one of said base and said lid having a latch arm resiliently extending from a periphery thereof diametrically opposite said hinge, said latch arm having a pair of opposite extending tabs adjacent to a free end thereof, the other of said base and said lid having an axial passage for receiving said latch arm and a pair of laterally spaced ledges in said passage for engagement by said tabs to lock said lid in said closed position, said latch arm being directly manually engageable by a user from a radial direction external to said closure to pivot said latch arm radially inwardly within said passage and release said tabs from said ledges so that said lid can be pivoted to said open position, and cam surfaces on said ledges, said tabs on said latch arm, or both said ledges and said tabs, for flexing said resilient latch arm to snap said tabs over said ledges as said lid is pivoted to said closed position. 2. The closure set forth in claim 1 wherein said latch arm resiliently extends from a periphery of said lid diametrically opposite said hinge, and wherein said passage in said base is radially open at said skirt. 3. The closure set forth in claim 2 wherein said ledges in said passage radially open at said skirt such that said latch arm may extend outside of said skirt as said lid is moved toward said closed position and then snap radially inwardly beneath said ledges due to resilience of said latch arm and connection between said latch arm and said lid. 4. The closure set forth in claim 3 wherein said lid includes an internal rib on said latch arm for strengthening resilient coupling of said latch arm to said lid. 5. A child-resistant dispensing closure that includes: a base having a deck with a dispensing opening and a peripheral skirt extending from said deck, a lid molded integrally with said base and coupled by a hinge to a periphery of said base so as to be pivotable about said hinge between a closed position overlying said deck and an open position spaced from said deck, a latch arm resiliently coupled to a periphery of said lid diametrically opposite said hinge, said latch arm being T-shaped having a center leg coupled to said lid and a pair of tabs extending laterally oppositely from a free end of said leg, and an axial passage on said base for receiving said latch arm, said passage being radially open at said skirt and having a pair of laterally spaced ledges for engagement by said tabs to look said lid in said closed position, said latch arm being directly manually engageable by a user from a radial direction external to said base to flex said latch arm radially inwardly into said passage and release said tabs from engagement with said ledges so that said lid can be pivoted to said open position. 6. The closure set forth in claim 5 wherein said ledges in said passage radially open at said skirt such that said latch arm may extend outside of said skirt as said lid is moved toward said closed position and then snap radially inwardly beneath said ledges due to resilience of said latch arm and connection between said latch arm and said lid. 7. The closure set forth in claim 6 further comprising cam surfaces on said skirt adjacent to said open passage in said skirt for engagement by said tabs on said latch arm to cam said latch arm radially outwardly as said lid is pivoted toward said closed position. 8. The closure set forth in claim 7 wherein said lid includes an internal rib on said latch arm for strengthening resilient coupling of said latch arm to said lid. 9. A child-resistant closure and container package that includes: a container and a closure secured to said container, said closure comprising: a base having a deck with a dispensing opening and a peripheral skirt extending from said deck, a lid molded integrally with said base and coupled by a hinge to a periphery of said base so as to be pivotable about said hinge between a closed position overlying said deck and an open position spaced from said deck, one of said base and said lid having a latch arm resiliently extending from a periphery thereof diametrically opposite said hinge, said latch arm having a pair of opposite extending tabs adjacent to a free end thereof, the other of said base and said lid having an axial passage for receiving said latch arm and a pair of laterally spaced ledges in said passage for engagement by said tabs to look said lid in said closed position, said latch arm being directly manually engageable by a user from a radial direction external to said closure to pivot said latch arm radially inwardly within said passage and release said tabs from said ledges so that said lid can be pivoted to said open position. 10. The package set forth in claim 9 wherein said latch arm resiliently extends from a periphery of said lid diametrically opposite said hinge, and wherein said passage in said base is radially open at said skirt. 11. The package set forth in claim 10 wherein said ledges in said passage radially open at said skirt such that said latch arm may extend outside of said skirt as said lid is moved toward said closed position and then snap radially inwardly beneath said ledges due to resilience of said latch arm and connection between said latch arm and said lid. 12. The package set forth in claim 11 further comprising cam surfaces on said ledges adjacent to said open passage in said skirt for engagement by said tabs on said latch arm to cam said latch arm radially outwardly as said lid is pivoted toward said closed position. 13. The package set forth in claim 11 wherein said lid includes an internal rib on said latch arm for strengthening resilient coupling of said latch arm to said lid. 14. The package set forth in claim 10 further comprising cam surfaces on said ledges, said tabs on said latch arm, or both, for flexing said resilient latch arm to snap said tabs over said ledges as said lid is pivoted toward said closed position. 15. A child-resistant closure and container package that includes: a container and a closure secured to said container, said closure comprising: a base having a deck with a dispensing opening and a peripheral skirt extending from said deck, a lid molded integrally with said base and coupled by a hinge to a periphery of said base so as to be pivotable about said hinge between a closed position overlying said deck and an open position spaced from said deck, a latch arm resiliently coupled to a periphery of said lid diametrically opposite said hinge, said latch arm being T-shaped having a center leg coupled to said lid and a pair of tabs extending laterally oppositely from a free end of said leg, and an axial passage on said base for receiving said latch arm, said passage being radially open at said skirt and having a pair of laterally spaced ledges for engagement by said tabs to lock said lid in said closed position, said latch arm being directly manually engageable by a user from a radial direction external to said base to flex said latch arm radially inwardly into said passage and release said tabs from engagement with said ledges so that said lid can be pivoted to said open position. 16. The package set forth in claim 15 wherein said ledges in said passage radially open at said skirt such that said latch arm may extend outside of said skirt as said lid is moved toward said closed position and then snap radially inwardly beneath said ledges due to resilience of said latch arm and connection between said latch arm and said lid. 17. The package set forth in claim 16 further comprising cam surfaces on said skirt adjacent to said open passage in said skirt for engagement by said tabs on said latch arm to cam said latch arm radially outwardly as said lid is pivoted toward said closed position. 18. The package set forth in claim 17 wherein said lid includes an internal rib on said latch arm for strengthening resilient coupling of said latch arm to said lid. 19. The closure set forth in claim 1 wherein said base has ribs that extend radially outwardly from said skirt on opposed sides of said passage. 20. The closure set forth in claim 2 including indicia on said lid pointing to and aligned with said latch arm to instruct a user to engage said latch arm. 21. A child-resistant closure that includes: a base having a dispensing opening and a peripheral skirt, a lid molded integrally with said base and coupled by a hinge to said base to be pivotable around said hinge between a closed position adjacent to said dispensing opening and an open position spaced from said dispensing opening, a latch arm having a first end resiliently coupled to one of said base and said lid opposite said hinge, said latch arm extending from said first end to a second end that is wider than said first end, the other of said base and said lid having an axial passage for receiving said latch arm, a pair of ledges in said passage for engagement by said latch arm to lock said lid in said closed position, and radially facing angulated cam surfaces on said ledges, pivotal movement of aid lid toward said closed position bringing said second end of said latch arm into engagement with said cam surfaces, resiliently flexing said latch arm radially until said second end of said latch arm registers with said ledges, whereupon resiliency of said latch arm snaps said latch arm between said ledges, said latch arm being directly manually engageable by a user from a radial direction external to said closure to pivot said latch arm radially inwardly within said passage and release said latch arm from said ledges so that said lid can be pivoted toward said open position. 22. The closure set forth in claim 21 wherein said latch arm has a pair of laterally extending tabs adjacent to said second end for engagement with said cam surfaces as said lid is closed and for snap receipt over said ledges in said closed position of said lid.
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