US4114295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible sports shoe
Assignee: Individual
•
Filing: 1977-05-05
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Granted: 1978-09-19
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Expires: 1997-05-05
Abstract
Abstract A convertible sports shoe includes a shoe body having a sole, and a plurality of cooperating projections and recesses provided on a sports device and the sole for detachably connecting the sports device to the shoe body. A plurality of different sports devices are provided, and a selected one of these devices is interchangeably mounted on the sole.
Inventors
- 👤 Hans-Joachim Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/16; A43B5/1633; A63; A63C; A63C1/00; A63C1/04; A63C1/16; A63C17/00; A63C17/18
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
131 words
A shoe sport arrangement, comprising a shoe body having a sole integrally connected to said show body; a plurality of different sports devices, each adapted for use in a different sport, and means for interchangeable mounting a selected one of said devices on said sole, including cooperating projections and recesses provided on each of said devices and said sole, respectively, for detachably connecting a selected one of said sport devices to said shoe body, and elongated bores in communication with said recesses and each extending transversely of said recesses, said projections being partly extendable into said bores so as to permit dislodging of the sports devices by urging the projections lengthwise of the respective recesses by applying pressure on the recesses through the bores and in direction lengthwise of the sole.
Claim 2
Dependent Claim
131 words
A shoe sport arrangement, comprising a shoe body having a sole integrally connected to said show body; a plurality of different sports devices, each adapted for use in a different sport, and means for interchangeable mounting a selected one of said devices on said sole, including cooperating projections and recesses provided on each of said devices and said sole, respectively, for detachably connecting a selected one of said sport devices to said shoe body, and elongated bores in communication with said recesses and each extending transversely of said recesses, said projections being partly extendable into said bores so as to permit dislodging of the sports devices by urging the projections lengthwise of the respective recesses by applying pressure on the recesses through the bores and in direction lengthwise of the sole.
Claim 3
Dependent Claim
35 words
The arrangement as defined in claim 1, wherein each sports device has at least two of said projections; and wherein said sole has at least two of said recesses for respectively receiving said two projections.
Claim 4
Dependent Claim
43 words
The arrangement as defined in claim 2, wherein said sole has a heel portion and a toe portion, each of said portions bounding a respective one of said recesses and having an opening through which a respective one of said projections is inserted.
Claim 5
Dependent Claim
25 words
The arrangement as defined in claim 3, wherein each recess is elongated and extends along an axis; and wherein said two recesses have colinear axes.
Claim 6
Dependent Claim
31 words
The arrangement as defined in claim 3, wherein each recess is elongated and extends along an axis; and wherein said two recesses have axes parallel and offset relative to each other.
Claim 7
Dependent Claim
26 words
The arrangement as defined in claim 1, wherein each recess is tapered along a predetermined direction; and wherein each projection is tapered along said predetermined direction.
Claim 8
Dependent Claim
23 words
The arrangement as defined in claim 1, wherein said mounting means further includes means for fixing said selected device to said shoe body.
Claim 9
Dependent Claim
33 words
The arrangement as defined in claim 7, wherein said fixing means includes a passage for fittingly receiving a locking pin, said passage extending through said sole and communicating with one of said recesses.
Claim 10
Dependent Claim
34 words
The arrangement as defined in claim 7, wherein said selected device has an extension, and wherein said fixing means includes a passage for fittingly receiving a locking pin, said passage extending through said extension.
Claim 11
Dependent Claim
63 words
The arrangement as defined in claim 7, wherein said fixing means includes a resilient clip having a main portion and a pair of flexible arms at respective opposite ends of said main portion; and wherein said clip is mounted intermediate a selected one of said sports devices and said sole for urging said selected device into a fixed position relative to said sole.
Claim 12
Dependent Claim
59 words
The arrangement as defined in claim 1, wherein said cooperating projections and recesses are elongated along an axis; and wherein said mounting means further includes means for preventing turning movement of said sports device relative to said shoe body about said axis, said preventing means including support portions on a selected one of said devices and engaging said sole.
Claim 13
Dependent Claim
23 words
The arrangement as defined in claim 11, wherein said support portions engage said sole at two locations on opposite sides of said axis.
Claim 14
Dependent Claim
35 words
The arrangement as defined in claim 1, wherein one of said devices is an ice blade, another of said devices is a roller body, and still another of said devices is a walking stilt pole.
Claim 15
Dependent Claim
81 words
An arrangement for converting a shoe for different sports, comprising a shoe having a sole; a plurality of different sports devices each adapted for use in a different sport; and means for interchangeably mounting a selected one of said devices on said sole, including cooperating projections tapered in a predetermined direction and recesses also tapered in said predetermined direction provided on each of said devices and said sole for detachably connecting a selected one of said devices to said shoe body.
Claim 16
Dependent Claim
81 words
An arrangement for converting a shoe for different sports, comprising a shoe having a sole; a plurality of different sports devices each adapted for use in a different sport; and means for interchangeably mounting a selected one of said devices on said sole, including cooperating projections tapered in a predetermined direction and recesses also tapered in said predetermined direction provided on each of said devices and said sole for detachably connecting a selected one of said devices to said shoe body.
Claim 17
Dependent Claim
82 words
The arrangement as defined in claim 14, wherein each recess is elongated; and wherein said mounting means further includes bores in communication with said recesses, each of said bores extending transversely of said recesses and having spaced ends; and wherein each projection has a free end which extends past one of said ends of said bore upon insertion of said projection into a respective recess and which is spaced at a clearance from the other of said ends of the respective bore.
Claim 18
Dependent Claim
52 words
The arrangement as defined in claim 7; and further comprising means for removing a selected one of said devices from said shoe body including a removal tool having a handle portion and a pair of arms at respective opposite ends of said handle portion, each arm being receivable in a respective clearance.
Claim 19
Dependent Claim
21 words
The arrangement as defined in claim 8, wherein each arm extends and is tapered in direction away from said handle portion.
Claim 20
Dependent Claim
38 words
A shoe as defined in claim 14, wherein said sole has a heel portion and a toe portion, and wherein one of said portions bounds a pair of recesses, and wherein another of said portions bounds another recess.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-18 | 1982-03-20 | 1982-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-18 | 1986-03-20 | 1986-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-18 | 1990-03-20 | 1990-09-19 | $7700.00 | Window Closed / Lapsed |