Quick-on cap with removal delay mechanism
DC CAFCFirst Claim
1. A cap engageable with a filler neck having a mouth, the cap comprisingclosure means for closing the filler neck, the closure means having an axis of rotation,handle means for rotating the closure means about the axis of rotation and relative to the filler neck in one of a cap-installation direction toward the filler neck and a cap-removal direction away from the filler neck, andcontrol means for providing a lost-motion driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation relative to the filler neck in a cap-removal direction and for the handle means against the closure means to provide a direct-drive driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation in a cap-advancing direction.
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Litigations
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Accused Products
Abstract
A quick-on cap includes a closure body for engaging a filler neck and a handle for rotating closure body. Cap also includes a control mechanism for initially providing a lost-motion driving connection between closure body and handle during cap removal and always providing a direct-drive driving connection during cap installation.
47 Citations
24 Claims
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1. A cap engageable with a filler neck having a mouth, the cap comprising
closure means for closing the filler neck, the closure means having an axis of rotation, handle means for rotating the closure means about the axis of rotation and relative to the filler neck in one of a cap-installation direction toward the filler neck and a cap-removal direction away from the filler neck, and control means for providing a lost-motion driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation relative to the filler neck in a cap-removal direction and for the handle means against the closure means to provide a direct-drive driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation in a cap-advancing direction.
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3. A cap engageable with a filler neck having a mouth, the cap comprising
closure means for closing the filler neck, the closure means having an axis of rotation, handle means for rotating the closure means about the axis of rotation and relative to the filler neck in one of a cap-installation direction toward the filler neck and a cap-removal direction away from the filler neck, and control means for providing a lost-motion driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation relative to the filler neck in a cap-removal direction and providing a direct-drive driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation in a cap-advancing direction, the control means including a torsion spring coupled to the closure means and the handle means.
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10. A cap engageable with a filler neck having a mouth, the cap comprising
closure means for closing the filler neck, the closure means having an axis of rotation, handle means for rotating the closure means about the axis of rotation and relative to the filler neck in one of a cap-installation direction toward the filler neck and a cap-removal direction away from the filler neck, and control means for providing a lost-motion driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation relative to the filler neck in a cap-removal direction and providing a direct-drive driving connection between the handle means and the closure means during rotation of the handle means about the axis of rotation in a cap-advancing direction, the control means interconnecting the closure means and the handle means to provide means for limiting relative movement of the closure means and the handle means to establish first and second positions of the handle means relative to the closure means so that the handle means is mounted for limited rotation through a predetermined angle relative to the closure means between the first and second positions to establish said lost-motion driving connection, the control means further including spring means for yieldably biasing the handle means to the first position.
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13. A cap for use in the filler neck of a tank, the filler neck having an annular lip defining a mouth, the cap comprising
gasket means, closure means blocking the filler neck for urging the gasket means against the annular lip to establish a seal blocking outward flow of fluid and vapor through the filler neck mouth, the closure means being movable relative to the filler neck between a gasket means-releasing position breaking said seal and a gasket means-tightening position establishing said seal during movement of the closure means in the filler neck, and handle means urged to a position so as to apply a direct driving force to move the closure means relative to the annular lip of the filler neck in a cap-advancing direction from the gasket means-releasing position breaking said seal to the gasket means-tightening position establishing said seal during installation of the closure means in the filler neck, the closure means and the handle means cooperating to provide means for permitting relative movement between the closure means and the handle means to delay establishment of a driving connection between the closure means and the handle means during movement of the handle means in a cap-removal direction.
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16. A cap for use in the filler neck of a tank, the filler neck having an annular lip defining a mouth, the cap comprising
gasket means, closure means blocking the filler neck for urging the gasket means against the annular lip to establish a seal blocking outward flow of fluid and vapor through the filler neck mouth, the closure means including a cylindrical sleeve and an annular flange appended to the cylindrical sleeve, the gasket means being an annular seal coupled to the annular flange and arranged to lie around the cylindrical sleeve, the closure means being movable relative to the filler neck between a gasket means-releasing position breaking said seal and a gasket means-tightening position establishing said seal during movement of the closure means in the filler neck, and handle means for applying a direct driving force to move the closure means relative to the annular lip of the filler neck in a cap-advancing direction from the gasket means-releasing position breaking said seal to the gasket means-tightening position establishing said seal during installation of the closure means in the filler neck, the closure means and the handle means cooperating to provide means for permitting relative movement between the closure means and the handle means to delay establishment of a driving connection between the closure means and the handle means during movement of the handle means in a cap-removal direction, the closure means further including a valve housing lying inside the cylindrical sleeve and containing a vent valve assembly, and a torsion spring coupled to the valve housing and the handle means.
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18. A cap for use in the filler neck of a tank, the filler neck having an annular lid defining a mouth, the cap comprising
gasket means, closure means blocking the filler neck for urging the gasket means against the annular lip to establish a seal blocking outward flow of fluid and vapor through the filler neck mouth, the closure means being movable relative to the filler neck between a gasket means-releasing position breaking said seal and a gasket means-tightening position establishing said seal during movement of the closure means in the filler neck, and handle means for applying a direct driving force to move the closure means relative to the annular lip of the filler neck in a cap-advancing direction from the gasket means-releasing position breaking said seal to the gasket means-tightening position establishing said seal during installation of the closure means in the filler neck, the closure means and the handle means cooperating to provide means for permitting relative movement between the closure means and the handle means to delay establishment of a driving connection between the closure means and the handle means during movement of the handle means in a cap-removal direction, the closure means including a closure assembly and a driven lug appended to the closure assembly, the handle means including an outer shell, a cap-installation drive lug appended to the outer shell, and spring means for yieldably biasing the cap-installation drive lug into engagement with the cap-installation driven lug normally to establish a direct-drive connection between the handle means and the closure means so that the cap-installation drive lug applies the direct-driving force to the driven lug to move the closure means to the gasket means-tightening position during movement of the handle means in the cap-advancing direction.
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20. A cap engageable with a filler neck having a mouth, the cap comprising
means for closing the mouth of the filler neck, the closing means including a core carrying a driven lug, a sleeve adjacent to the core, and a handle carrying a drive lug having a cap-installation arm and a cap-removal arm, the sleeve being movable relative to the core and carrying a sealing ring configured to engage the filler neck at the mouth upon insertion of the core in an axially inward direction into the filler neck, means for gripping the filler neck to compress the sealing ring between the sleeve and the filler neck so that a liquid and fuel vapor seal is established between the closing means and the filler neck in response to movement of the core relative to the sleeve in a cap-installation direction, the gripping means being coupled to the core and the sleeve, and spring means for yieldably biasing the cap-installation arm of the drive lug into engagement with the driven lug on the core so that a direct-drive driving connection is established between the handle and the core during rotation of the handle about an axis of rotation in a cap-advancing direction and the cap-removal arm of the drive lug is disengaged from the driven lug on the core until the handle has been rotated a predetermined amount relative to the core in a cap-removal direction.
Specification