Closure assembly with hinged cover
AssigneeDart Industries Inc.
InventorMartin J. Wolff
Life of this patent
Estimating the term…
Abstract
A closure assembly for an open-top container including an adapter ring with a depending groove for engagement about the rim of the container. The adapter ring further includes a pair of integral hinge seats having opposed detents which receive and rotationally position a pair of pivot pins integral with an overlying cover. Each pivot pin includes a detent-received shaft portion for rotational manipulation of cover, and a cam selectively engageable with a second detent in the open position of the cover for retention of the cover. The pin cam, in the corresponding detent recess, provides a second pivot axis for complete disengagement of the cover.
Claims21
A closure assembly for a container having an open top defined by a peripheral rim, said closure assembly comprising an adapter ring coextensive with the container rim, means on said adapter ring for mounting and sealing said adapter ring to said container rim, a cover mounted on said adapter ring and moveable between a closed position overlying and closing the open top of the container, and an open position remote from said open top, means for releasably retaining said cover in the closed position, means for releasably retaining said cover in the open position against movement to said closed position, a hinge assembly joining said cover to said adapter ring for pivoted movement between the open and closed positions, said hinge assembly includes pivot pin means on said cover and hinge seat means on said adapter ring, said pivot pin means including cylindrical pin shaft means, said hinge seat means including recess means rotatably receiving said pin shaft means, and said means for releasably retaining said cover in the open position includes cooperating portions on said pivot pin means and on said hinge seat means alignable and releasably interlockable in the open position of the cover whereby positive manual manipulation of the cover relative to the adapter ring is required to release said cooperating portions and move said cover from the closed position thereof.
A closure assembly for a container having an open top defined by a peripheral rim, said closure assembly comprising an adapter ring coextensive with the container rim, means on said adapter ring for mounting and sealing said adapter ring to said container rim, a cover mounted on said adapter ring and moveable between a closed position overlying and closing the open top of the container, and an open position remote from said open top, means for releasably retaining said cover in the closed position, means for releasably retaining said cover in the open position against movement to said closed position, a hinge assembly joining said cover to said adapter ring for pivoted movement between the open and closed positions, said hinge assembly includes at least one pivot pin on and extending from said cover, and a cooperating pin-receiving hinge seat on said adapter ring.
A closure assembly for a container having an open top defined by a peripheral rim, said closure assembly comprising an adapter ring coextensive with the container rim, means on said adapter ring for mounting and sealing said adapter ring to said container rim, a cover mounted on said adapter ring and moveable between a closed position overlying and closing the open top of the container, and an open position remote from said open top, means for releasably retaining said cover in the closed position, means for releasably retaining said cover in the open position against movement to said closed position, a hinge assembly joining said cover to said adapter ring for pivoted movement between the open and closed positions, said hinge assembly includes pivot pin means on said cover and hinge seat means on said adapter ring, said pivot pin means including cylindrical pin shaft means, said hinge seat means including recess means rotatably receiving said pin shaft means, said means for mounting and sealing said adapter ring to said container rim comprises laterally spaced inner and outer walls peripherally about said adapter ring, said walls terminating in free lower edges defining a downwardly directed peripheral groove for reception of the container rim upwardly therein, and a top wall transversely interconnecting said inner and outer walls in upwardly spaced relation to the free lower edges thereof.
A hinge assembly pivotally mounting a cover on an open-top container for movement between a closed position overlying and closing the open top of the container, and an open position remote from said open top, said hinge assembly including at least one pivot pin and a cooperating pin-receiving hinge seat, said pivot pin including a cylindrical pin shaft, said hinge seat comprising a recess rotatably receiving said pin shaft, a cam projection on said pivot pin extending laterally from said pin shaft for rotation therewith, a detent on said hinge seat in the path of rotation of said cam projection for receiving and releasably retaining said cam projection in the open position of said cover, said cam projection and said detent are cooperatively configured for rotation of said cam projection within said detent for pivotal swinging of said pin shaft, and cover therewith, about said detent-received cam projection, and means for allowing pivotal disengagement of said pin shaft from said recess upon pivotal movement about the detent-engaged cam projection.
A hinge assembly pivotally mounting a cover on an open-top container for movement between a closed position overlying and closing the open top of the container, and an open position remote from said open top, said hinge assembly including at least one pivot pin and a cooperating pin-receiving hinge seat, said pivot pin including a cylindrical pin shaft, said hinge seat comprising a recess rotatably receiving said pin shaft, a cam projection on said pivot pin extending laterally from said pin shaft for rotation therewith, a detent on said hinge seat in the path of rotation of said cam projection for receiving and releasably retaining said cam projection in the open position of said cover, said hinge seat includes a vertical side panel, a vertical slot defined in said side panel, said slot extending upward through said vertical panel and terminating at its upper end in said recess, said pin shaft being receivable upward through said slot and rotatably positionable within said recess, and means releasably retaining said pivot pin shaft within said recess.
A hinge assembly pivotally joining first and second members for pivotal movement of the first member between a closed position overlying the second member, and an open position remote from said second member, said hinge assembly including pivot pin means on said first member and hinge seat means on said second member, said pivot pin means including cylindrical pin shaft means, said hinge seat means including recess means rotatably receiving said shaft means, said hinge assembly including means remote from said recess means for releasably retaining said first member in the open position against movement to the closed position, said means for releasably retaining said first member in the open position includes cooperating portions on said pivot pin means and on said hinge seat means alignable and releasably interlockable in the open position of the first member whereby positive manual manipulation of the first member relative to the second member is required to release said cooperating portions and move said first member from the open position thereof, said cooperating portions include cam means on said pivot pin means projected laterally of said shaft means and rotatable therewith, and detent means on said hinge seat means laterally of said recess means and in the path of the cam means upon rotation of said shaft means for releasably receiving and retaining said cam means.
Dependencies are inferred from the claim text.