US5331752A — Skate with detachable shoe

Claim 1

Independent Claim 238 words

In combination, a skate and a detachable shoe, said skate comprising: a shoe cradle for nestably receiving said shoe, said shoe cradle including an upwardly extending portion girdling the sole of said shoe; a frame joined to and extending downwardly from said shoe cradle; and a plurality of ground-engaging members mounted in said frame; said detachable shoe comprising a sole and an upper; and wherein said combination further includes means for engagement between said skate and said shoe, said means for engagement provided to secure said shoe in a fixed position in said shoe cradle for substantially preventing movement of said shoe therein along a predetermined line of travel and for substantially preventing the toe of said shoe from lifting upwardly during skating activity; said means for engagement includes said shoe sole including at least one elongate slot in the forward periphery of said sole and generally coplanar therewith, and a corresponding elongate rib projecting rearwardly from the toe of said shoe cradle to matingly engage said elongate slot when said shoe is nestably received within said shoe cradle; and said means for engagement further includes a detent extending upwardly from said shoe cradle rearward of said toe and said shoe sole includes an aperture configured to receive said detent as said shoe is inserted into said cradle and wedge said shoe sole forwardly for engagement of said elongate rib with said elongate slot in said shoe sole.

Claim 2

Dependent Claim 238 words

In combination, a skate and a detachable shoe, said skate comprising: a shoe cradle for nestably receiving said shoe, said shoe cradle including an upwardly extending portion girdling the sole of said shoe; a frame joined to and extending downwardly from said shoe cradle; and a plurality of ground-engaging members mounted in said frame; said detachable shoe comprising a sole and an upper; and wherein said combination further includes means for engagement between said skate and said shoe, said means for engagement provided to secure said shoe in a fixed position in said shoe cradle for substantially preventing movement of said shoe therein along a predetermined line of travel and for substantially preventing the toe of said shoe from lifting upwardly during skating activity; said means for engagement includes said shoe sole including at least one elongate slot in the forward periphery of said sole and generally coplanar therewith, and a corresponding elongate rib projecting rearwardly from the toe of said shoe cradle to matingly engage said elongate slot when said shoe is nestably received within said shoe cradle; and said means for engagement further includes a detent extending upwardly from said shoe cradle rearward of said toe and said shoe sole includes an aperture configured to receive said detent as said shoe is inserted into said cradle and wedge said shoe sole forwardly for engagement of said elongate rib with said elongate slot in said shoe sole.

Claim 3

Dependent Claim 126 words

The combination of claim 1, further comprising: a semirigid heel protector overcovering said shoe heel and joined at its lower portion thereto; a vertical wedging ramp in the heel portion of said cradle and joined thereto for engaging said heel protector of said shoe as said shoe is downwardly inserted into said shoe cradle to force said shoe forwardly to engage said detent; and a cuff assembly extending upwardly from the rear portion of said cradle and pivotably attached thereto in a transverse pivot axis, said cuff assembly configured to enclose the lower leg of a skater and having padding means lining said cuff assembly above said cradled shoe for engaging said shoe to limit upward movement thereof and provide shock resistance to a lower leg.

Claim 4

Dependent Claim 194 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; said means for securing said shoe to said wearer's foot comprises a first strap crossing the center of said upper under said tongue, and a second strap passing exterior said heel end and interacting with said heel shield, said first and second straps each having one end joined to said shoe and an unattached end, said unattached ends configured to be removably attached to each other.

Claim 5

Dependent Claim 194 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; said means for securing said shoe to said wearer's foot comprises a first strap crossing the center of said upper under said tongue, and a second strap passing exterior said heel end and interacting with said heel shield, said first and second straps each having one end joined to said shoe and an unattached end, said unattached ends configured to be removably attached to each other.

Claim 6

Dependent Claim 144 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; and said said upper comprises a soft padded material, and said sole comprises an elastomeric material.

Claim 7

Dependent Claim 144 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; and said said upper comprises a soft padded material, and said sole comprises an elastomeric material.

Claim 8

Dependent Claim 145 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; and said heel shield has a vertical slot on each side for passage of a strap therethrough.

Claim 9

Dependent Claim 145 words

A multipurpose shoe, said shoe comprising: a sole having a toe end, a heel end and portions therebetween, said toe end including a peripheral slot about a major portion of said toe end, said slot configured for engagement with an internal projection in a boot, said sole and said boot including interactive means for effecting said engagement; an upper mountable on a wearer's foot, said upper having a toe end and a heel end; means for securing said shoe to said wearer's foot; a semirigid external tongue encasing the front portion of said upper about the wearer's ankle and having a forward end attached to said upper; a semirigid external heel shield encircling said heel end of said upper and having a lower end joined to said shoe; and said heel shield has a vertical slot on each side for passage of a strap therethrough.

Claim 10

Dependent Claim 55 words

The multipurpose shoe of claim 3, wherein said first strap has one end joined to said sole rearward of said tongue and said second strap has one end joined to said shoe forwardly of said heel end, whereby attachment of said unattached ends of said first and second strap tightens said upper about said foot.

Claim 11

Dependent Claim 67 words

The multipurpose shoe of claim 3, wherein one said unattached end has a simple buckle attached thereto, and the other said unattached end has panels of self-attachment hook and loop materials attached thereto, wherein said other unattached end is configured to be threadable through said simple buckle and doubled upon itself to join said hook panel to said loop panel and tighten said upper about said foot.

Claim 12

Dependent Claim 174 words

An integral in-line skate frame, comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; and a detent projecting upwardly from said upper surface above said footbed liner to communicatingly insert into an aperture in the bottom of said sole rearward of a toe of said sole.

Claim 13

Dependent Claim 174 words

An integral in-line skate frame, comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; and a detent projecting upwardly from said upper surface above said footbed liner to communicatingly insert into an aperture in the bottom of said sole rearward of a toe of said sole.

Claim 14

Dependent Claim 142 words

An integral in-line skate frame, comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly.

Claim 15

Dependent Claim 142 words

An integral in-line skate frame, comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly.

Claim 16

Dependent Claim 193 words

In combination, an in-line skate frame and a shoe, said combination further comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface and configured to enclose the outer rim of a sole of said shoe, said wall extending upwardly to enclose the rear portion of said shoe, said peripheral wall defining an opening sized for placement of said shoe on said liner; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; and wherein said integral rigid assembly is formed from a hard plastic material by injection molding.

Claim 17

Dependent Claim 193 words

In combination, an in-line skate frame and a shoe, said combination further comprising: a skate blade comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface and configured to enclose the outer rim of a sole of said shoe, said wall extending upwardly to enclose the rear portion of said shoe, said peripheral wall defining an opening sized for placement of said shoe on said liner; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; and wherein said integral rigid assembly is formed from a hard plastic material by injection molding.

Claim 18

Dependent Claim 275 words

An integral in-line skate frame, comprising: a skate blade extending from a heel end and a toe end and comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface and configured to enclose the outer rim of a sole of said shoe, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; each said rib has a front surface and a rear surface, said front planar surfaces tilted toward said heel end at angles to the vertical wherein said ribs near said toe end are tilted at a greater angle than said ribs near the rear of said skate; and wherein the angles of said front rib surfaces are approximated by: Q=10+X.sup.1.5 /7[+/-10] where Q is angle of rearward tilt, degrees and X is a distance between said rib and the rear of said footbed; and wherein the angle of rearward tilt of said rear rib surface of each said rib is less than the angle Q of said front rib surfaces.

Claim 19

Dependent Claim 275 words

An integral in-line skate frame, comprising: a skate blade extending from a heel end and a toe end and comprising a pair of parallel longitudinal blade members spaced apart for attachment of ground-engaging members therebetween, said blade members connected by integral transverse reinforcement members, said blade members having an upper surface configured for placement of a footbed liner thereon for supporting a shoe; a peripheral wall encircling said upper surface and configured to enclose the outer rim of a sole of said shoe, said wall extending upwardly to enclose the rear portion of said shoe; lateral walls extending upwardly and outwardly from said skate blade member to intersect said peripheral wall, said walls forming a generally hollow space therebetween; transverse reinforcement ribs joining said lateral walls and said parallel blade members within said hollow space and forming a planar bed therewith for placement of said footbed liner thereon; wherein said skate blade, peripheral wall, lateral walls and transverse reinforcement ribs comprise an integral rigid assembly; each said rib has a front surface and a rear surface, said front planar surfaces tilted toward said heel end at angles to the vertical wherein said ribs near said toe end are tilted at a greater angle than said ribs near the rear of said skate; and wherein the angles of said front rib surfaces are approximated by: Q=10+X.sup.1.5 /7[+/-10] where Q is angle of rearward tilt, degrees and X is a distance between said rib and the rear of said footbed; and wherein the angle of rearward tilt of said rear rib surface of each said rib is less than the angle Q of said front rib surfaces.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1997-07-25	1998-01-24	1998-07-26	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2001-07-25	2002-01-24	2002-07-26	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2005-07-25	2006-01-24	2006-07-26	$7700.00	Window Closed / Lapsed

Skate with detachable shoe

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