An adaptor enables a child to drink from a cup having a bead extending around an open end of the cup. The adaptor has an annular collar that supports the cup by engaging a lower portion of a bead of the cup around a substantial portion of a periphery of the bead. A lid is removably engageable with t
An adaptor enables a child to drink from a cup having a bead extending around an open end of the cup. The adaptor has an annular collar that supports the cup by engaging a lower portion of a bead of the cup around a substantial portion of a periphery of the bead. A lid is removably engageable with the collar. The lid has an annular flange depending from a lower surface toward the collar with the flange being located to abut an interior side of the wall of the cup when the lid engages the collar to form a fluid seal with the cup. The lid has a channel formed therein and located between the flange and a periphery of the lid and encircling the flange. The channel encloses an upper portion of the bead of the cup. The lid has a child drinking spout on an exterior surface of the lid adjacent a peripheral edge of the lid. The spout is in fluid communication with the cup during use of the adaptor.
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I claim: 1. An adaptor to enable a person to drink from a cup having a wall with a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar having a top surface extending between an inner and outer periphery with the inner
I claim: 1. An adaptor to enable a person to drink from a cup having a wall with a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar having a top surface extending between an inner and outer periphery with the inner periphery defining an opening sized to accommodate the cup during use, the opening being sufficiently smaller than the bead so that the bead engages the collar to hold the cup during use of the adaptor; a lid releasably engageable with the collar, the lid having a channel formed therein with a depending flange inward of the channel, the channel being configured and located to engage at least a portion of the bead when the lid is engaged with the collar, the flange being configured and located to extend into the open end of the cup and engage the wall during use of the adaptor, the collar, channel and flange cooperating to restrain movement of the cup during use of the adaptor and to provide a substantially fluid tight seal with the cup during use of the adaptor when the lid is engaged with the collar, the lid having an aperture on an exterior surface of the lid, with the aperture having at least one opening for fluid flow; and a flexible tether connecting the lid and collar; wherein the top surface further comprises a recessed, lower engaging surface extending around the opening in the collar, the lower engaging surface abutting the bead during use of the adaptor to hold the cup. 2. The adaptor of claim 1, wherein the flange and inner periphery of the collar are configured to be resiliently urged against each other so as to grip the wall of the cup between the flange and inner periphery when the lid is engaged with the collar during use of the adaptor. 3. An adaptor to enable a person to drink from a cup having a wall with a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar having a top surface extending between an inner and outer periphery with the inner periphery defining an opening sized to accommodate the cup during use, the opening being sufficiently smaller than the bead so that the bead engages the collar to hold the cup during use of the adaptor; a lid releasably engageable with the collar, the lid having a channel formed therein with a depending flange inward of the channel, the channel being configured and located to engage at least a portion of the bead when the lid is engaged with the collar, the flange being configured and located to extend into the open end of the cup and engage the wall during use of the adaptor, the collar, channel and flange cooperating to restrain movement of the cup during use of the adaptor and to provide a substantially fluid tight seal with the cup during use of the adaptor when the lid is engaged with the collar, the lid having an aperture on an exterior surface of the lid, with the aperture having at least one opening for fluid flow; and a flexible tether connecting the lid and collar; wherein the top surface further comprises a recessed, lower engaging surface extending around the opening in the collar, the lower engaging surface abutting the bead during use of the adaptor to hold the cup and, wherein the flange and inner periphery of the collar are configured to be resiliency urged against each other so as to grip the wall of the cup between the flange and inner periphery when the lid is engaged with the collar during use of the adaptor. 4. The adaptor of claim 1, wherein the flange is configured to be resiliency urged against the wall of the cup when the lid is engaged with the collar during use of the adaptor. 5. An adaptor to enable a person to drink from a cup having a wall with a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar having a top surface extending between an inner and outer periphery with the inner periphery defining an opening sized to accommodate the cup during use, the opening being sufficiently smaller than the bead so that the bead engages the collar to hold the cup during use of the adaptor; a lid releasably engageable with the collar, the lid having a channel formed therein with a depending flange inward of the channel, the channel being configured and located to engage at least a portion of the bead when the lid is engaged with the collar, the flange being configured and located to extend into the open end of the cup and engage the wall during use of the adaptor, the collar, channel and flange cooperating to restrain movement of the cup during use of the adaptor and to provide a substantially fluid tight seal with the cup during use of the adaptor when the lid is engaged with the collar, the lid having an aperture on an exterior surface of the lid, with the aperture having at least one opening for fluid flow; and a flexible tether connecting the lid and collar; wherein the top surface further comprises a recessed, lower engaging surface extending around the opening in the collar, the lower engaging surface abutting the bead during use of the adaptor to hold the cup and wherein the flange is configured to be resiliently urged against the wall of the cup when the lid is engaged with the collar during use of the adaptor. 6. An adaptor to enable a person to drink from a cup having a wall tapered at an angle and having a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar for supporting the cup by engaging a lower portion of the bead of the cup around a substantial portion of a periphery of the bead; a lid removably engageable with the collar, the lid having an annular flange depending from a lower surface toward the collar, the flange being located to abut an interior side of the wall of the cup when the lid engages the collar, the lid having a channel formed therein and located between the flange and a periphery of the lid and encircling the flange, the channel enclosing a portion of the bead of the cup when the lid engages the collar during use of the adaptor, the lid having a drinking aperture on an exterior surface of the lid, with the aperture having at least one opening for fluid flow; means for releasably holding the lid engaged with the collar; a flexible tether connecting the lid and collar, the lid, tether and collar being integrally molded of plastic wherein the collar comprises an inner periphery inclined at an angle complementary to the angle of the wall of the cup and a recess having an arcuate cross-section configured and located to engage a lower portion of the bead of the cup. 7. An adaptor assembly for enabling a person to drink from a cup having a wall with a bead extending around an open end of the cup and located on an exterior surface of the cup, the adaptor comprising: an annular collar having an inner periphery defining a circular opening through which a body of the cup extends, the collar being configured to engage a lower portion of the bead of the cup around a substantial portion of a periphery of the bead to support the cup when the cup is placed in the collar during use of the adaptor; a lid having a depending annular flange, the lid being placed over the collar and engaged with the collar so the flange wedges the wall of the cup between the flange and collar adjacent the bead to grip the cup when the lid engages the collar during use of the adaptor, the lid having a drinking aperture on an exterior surface of the lid, with the aperture having at least one opening for fluid flow; a flexible tether connecting the lid and collar; and an annular channel formed in the lid and located outward of the flange, the channel located and sized to enclose the bead of the cup and to abut at least a portion of the bead when the lid is engaged with the cup during use of the adaptor wherein the lid, tether and collar are integrally molded of plastic and, wherein the collar has a concave surface configured to receive the lower portion of the bead of the cup during use of the adaptor. 8. The adaptor of claim 7, further comprising means for releasably fastening the lid to the collar when the lid is engaged with the collar during use of the adaptor.
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