Container opening aid

Claim 2

An opener aid comprising: a ring, and a lug on said ring shaped to provide a wedge-shaped projection for insertion under the lifter of a pop-top container, whereby the user may conveniently actuate the lifter in response to an upwardly directed force applied by the user, and a circumferentially extending engagement surface on the outer periphery of said ring made of a material sufficiently resilient to obtain a firm purchase with the adjoining corrugations of a twist top removable in response to the application of torque.

Claim 3

An opener aid as defined in claim 1 and knurling corrugations on said circumferentially extending engagement surface to facilitate engagement with the adjoining corrugations of a twist top.

Claim 4

An opener aid as defined in claim 1 and flat transverse faces forming indica-bearing surfaces to receive appropriate indicia thereon.

Claim 5

An opener aid comprising: a ring-shaped member sized to be received on the index finger of a user, and a lifting lug on said ring projecting out of the circle loop of the ring to engage the lifter of a pop-top can, said lifting lug comprising a wedge-shaped element converging to a sharp edge to facilitate insertion of the edge under the lifter of a pop-top can, said ring-shaped member having a circumferentially extending external surface formed with knurling to provide an knurled engagement surface for engagingly abutting the corrugations of the twist-off container cap.

Claim 6

An opener aid comprising: a ring-shaped member sized to be received on the index finger of a user, and a lifting lug on said ring projecting out of the circle loop of the ring to engage the lifter of a pop-top can, said lifting lug comprising a wedge-shaped element converging to a sharp edge to facilitate insertion of the edge under the lifter of a pop-top can, said ring-shaped member having a circumferentially extending external surface formed with knurling to provide an knurled engagement surface for engagingly abutting the corrugations of the twist-off container cap.

Claim 7

An opener aid comprising: a ring-shaped member sized to be received on the index finger of a user, and a lifting lug on said ring projecting out of the circle loop of the ring to engage the lifter of a pop-top can, said lifting lug comprising a wedge-shaped element converging to a sharp edge to facilitate insertion of the edge under the lifter of a pop-top can, said ring shaped member having a circumferentially extending external surface formed to provide an engagement surface for engagingly abutting the corrugations of the twist-off container cap, and said aid is made of a plastic material sufficiently resilient to afford a firm purchase with an adjoining container cap.

Claim 8

An opener aid comprising: a ring-shaped member sized to be received on the index finger of a user, and a lifting lug on said ring projecting out of the circle loop of the ring to engage the lifter of a pop-top can, said lifting lug comprising a wedge-shaped element converging to a sharp edge to facilitate insertion of the edge under the lifter of a pop-top can, said ring shaped member having a circumferentially extending external surface formed to provide an engagement surface for engagingly abutting the corrugations of the twist-off container cap, and said aid is made of a plastic material sufficiently resilient to afford a firm purchase with an adjoining container cap.

Claim 9

A container opener aid assisting a user to open containers comprising: a body member having a generally circular through opening sized to receive a selected digit of a user's hand, and a circumferentially extending surface on said body spaced radially outwardly of said through opening and forming a cap engaging surface, said cap engaging surface being formed of a material sufficiently resilient and elastic to facilitate a firm purchase with the adjoining knurled or corrugated surface of a twist-off container cap removable in response to the application of torque, and a lug on said surface extending circumferentially into a projecting relationship relative to said body and forming a wedge-shaped spur converging to a knife thin edge for insertion under the lifter of a pop-top container for convenient actuation of the lifter, said lug being formed as part of an enlarged portion on said body member and providing a flat surface suitable for containing indicia thereon, whereby said opener may be worn on the finger of a user to assist in opening pop-top cans and twist-off bottle caps without injury to the fingers or the hand.

Claim 10

A container opener aid assisting a user to open containers comprising: a body member having a generally circular through opening sized to receive a selected digit of a user's hand, and a circumferentially extending surface on said body spaced radially outwardly of said through opening and forming a cap engaging surface, said cap engaging surface being formed of a material sufficiently resilient and elastic to facilitate a firm purchase with the adjoining knurled or corrugated surface of a twist-off container cap removable in response to the application of torque, and a lug on said surface extending circumferentially into a projecting relationship relative to said body and forming a wedge-shaped spur converging to a knife thin edge for insertion under the lifter of a pop-top container for convenient actuation of the lifter, said lug being formed as part of an enlarged portion on said body member and providing a flat surface suitable for containing indicia thereon, whereby said opener may be worn on the finger of a user to assist in opening pop-top cans and twist-off bottle caps without injury to the fingers or the hand.

Claim 11

An opener aid comprising: a ring-shaped unitary body member prescribing a single through opening sized to fit over the finger joints of a user, a lug formed as an integral projection from an enlarged portion of said body member and which extends across the width of the opener aid to form a pair of angularly intersecting flat surfaces, one of said flat surfaces together with a converging tangentially disposed portion projecting circumferentially out of the loop of the ring forming a converging wedge-shaped spur which tapers to a chisel point particularly adapted for insertion under the lifter element of a pop-top can, said flat surfaces forming indicia-bearing surfaces on which may be reproduced selected signal intelligence, whereby a user wearing the ring-shaped body member may conveniently actuate the lifter in response to an upwardly directed force applied by the user, and a circumferentially extending engagement surface on the outer periphery of said ring having knurling corrugations formed thereon to facilitate engagement with the adjoining corrugations of a twist top.

Claim 12

An opener aid comprising: a ring-shaped unitary body member prescribing a single through opening sized to fit over the finger joints of a user, a lug formed as an integral projection from an enlarged portion of said body member and which extends across the width of the opener aid to form a pair of angularly intersecting flat surfaces, one of said flat surfaces together with a converging tangentially disposed portion projecting circumferentially out of the loop of the ring forming a converging wedge-shaped spur which tapers to a chisel point particularly adapted for insertion under the lifter element of a pop-top can, said flat surfaces forming indicia-bearing surfaces on which may be reproduced selected signal intelligence, whereby a user wearing the ring-shaped body member may conveniently actuate the lifter in response to an upwardly directed force applied by the user, and a circumferentially extending engagement surface on the outer periphery of said ring having knurling corrugations formed thereon to facilitate engagement with the adjoining corrugations of a twist top.

Claim 13

An opener aid comprising: a ring-shaped unitary body member prescribing a single through opening sized to fit over the finger joints of a user, a lug formed as an integral projection from an enlarged portion of said body member and which extends across the width of the opener aid to form a pair of angularly intersecting flat surfaces, one of said flat surfaces together with a converging tangentially disposed portion projecting circumferentially out of the loop of the ring forming a converging wedge-shaped spur which tapers to a chisel point particularly adapted for insertion under the lifter element of a pop-top can, said flat surfaces forming indicia-bearing surfaces on which may be reproduced selected signal intelligence, whereby a user wearing the ring-shaped body member may conveniently actuate the lifter in response to an upwardly directed force applied by the user, and a circumferentially extending engagement surface on the outer periphery of said ring made of a material sufficiently resilient to obtain a firm purchase with the adjoining corrugations of a twist top removable in response to the application of torque.

Claim 14

An opener aid comprising: a ring-shaped unitary body member prescribing a single through opening sized to fit over the finger joints of a user, a lug formed as an integral projection from an enlarged portion of said body member and which extends across the width of the opener aid to form a pair of angularly intersecting flat surfaces, one of said flat surfaces together with a converging tangentially disposed portion projecting circumferentially out of the loop of the ring forming a converging wedge-shaped spur which tapers to a chisel point particularly adapted for insertion under the lifter element of a pop-top can, said flat surfaces forming indicia-bearing surfaces on which may be reproduced selected signal intelligence, whereby a user wearing the ring-shaped body member may conveniently actuate the lifter in response to an upwardly directed force applied by the user, and a circumferentially extending engagement surface on the outer periphery of said ring made of a material sufficiently resilient to obtain a firm purchase with the adjoining corrugations of a twist top removable in response to the application of torque.