US3722900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snowless skis
Assignee: Individual
•
Filing: 1970-05-01
•
Granted: 1973-03-27
•
Expires: 1990-05-01
Abstract
Abstract A ski fitted with a plurality of rollers for use in traversing a smooth solid surface devoid of snow or snow-like substance. The outer surface of rolling members is tapered to a smaller diameter than a diameter more inward. Preferably, the rolling surface is segmented. The tapered shape of the rollers provides a dynamic action similar to snow skiing with respect to turning, edging or stopping.
Inventors
- 👤 G Dickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:08
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/035
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
123 words
A roller assembly for rendering a ski useful in traversing a solid surface not covered with snow or snow-like substance, said assembly comprising a segmented rotatable rolling surface underneath the underside and transverse to the longitudinal axis of said ski, said rolling surface comprised of approximately two substantially equidiameter cylindrical center rollers, said center section being flanked on each side by edge rollers, each edge roller having an inner diameter about the same as the outermost diameters of said center section, each edge roller having an outer diameter nearer to the longitudinal edge of said ski smaller than said inner diameter, the segments of said rolling surface defined by said edge rollers tapering between said inner and outer diameters of said edge rollers.
Claim 2
Dependent Claim
123 words
A roller assembly for rendering a ski useful in traversing a solid surface not covered with snow or snow-like substance, said assembly comprising a segmented rotatable rolling surface underneath the underside and transverse to the longitudinal axis of said ski, said rolling surface comprised of approximately two substantially equidiameter cylindrical center rollers, said center section being flanked on each side by edge rollers, each edge roller having an inner diameter about the same as the outermost diameters of said center section, each edge roller having an outer diameter nearer to the longitudinal edge of said ski smaller than said inner diameter, the segments of said rolling surface defined by said edge rollers tapering between said inner and outer diameters of said edge rollers.
Claim 3
Dependent Claim
23 words
A roller assembly of claim 1 wherein said center section is defined by two substantially equidiameter cylindrical rolling members spaced by a sleeve.
Claim 4
Dependent Claim
17 words
A roller assembly of claim 2 wherein each edge roller is substantially identical in size and configuration.
Claim 5
Dependent Claim
48 words
A ski device for traversing a solid surface, said device comprising an elongated ski, means for attaching said device to the foot of the wearer, a plurality of roller assemblies of claim 1 being positioned along said ski to provide rollable support when said ski is in use.
Claim 6
Dependent Claim
41 words
A ski device of claim 4 being further characterized in having snag preventing means mounted thereto, said snag preventing means comprising a downward extending shield mounted along the longitudinal inner surface, the longitudinal outer surface of said ski device being shield-free.
Claim 7
Dependent Claim
39 words
A roller assembly of claim 1 comprising four rotating rolling members, the position of said rolling members being maintained along said axle by spacing means, said spacing means being annularly mounted about said axle and between said rolling members.
Claim 8
Dependent Claim
13 words
A roller assembly of claim 6 wherein said spacing means comprises a sleeve.
Claim 9
Dependent Claim
14 words
A ski for traversing a solid surface comprising a roller assembly of claim 1.
Claim 10
Dependent Claim
37 words
A roller assembly of claim 1 wherein the outer surface of said rolling surface is defined by edge rollers, one edge roller being outside a support member supporting said rotatable surface underneath the underside of said ski.
Claim 11
Dependent Claim
9 words
A ski comprisIng a roller assembly of claim 9.
Claim 12
Dependent Claim
241 words
A roller assembly for attachment to a ski, and rendering said ski useful in traversing a solid surface not covered with snow or snow-like substance, said assembly comprising attaching means, a support member and a rotatable rolling surface, i. said attaching means holding said assembly to said ski and comprising a pair of substantially right angled bracket members, each of said bracket members having a horizontal surface and a vertical surface extending downwardly from said horizontal surface, means for attaching said horizontal surfaces of said pair of bracket members such that the combined span of said horizontal surfaces is sufficient to enable said downwardly extending vertical surfaces to extend downwardly near the longitudinal edges of said ski at the site of attachment of said assembly, butting means on the inward side of each downwardly extending vertical surface cooperating with the underside of said ski at the site of attachment of said assembly, ii. said support member supporting said rotatable rolling surface and comprising an axle and means for bonding said axle to said downwardly extending surfaces such that said axle is substantially transverse to the longitudinal axis of said ski and beneath the underside of said ski, iii. said rotatable rolling surface being segmented and axially mounted around said axle, said rolling surface having a substantially cylindrical center section and being tapered such that each outermost diameter of said surface is smaller than a more inward diameter of said rolling surface.
Claim 13
Dependent Claim
241 words
A roller assembly for attachment to a ski, and rendering said ski useful in traversing a solid surface not covered with snow or snow-like substance, said assembly comprising attaching means, a support member and a rotatable rolling surface, i. said attaching means holding said assembly to said ski and comprising a pair of substantially right angled bracket members, each of said bracket members having a horizontal surface and a vertical surface extending downwardly from said horizontal surface, means for attaching said horizontal surfaces of said pair of bracket members such that the combined span of said horizontal surfaces is sufficient to enable said downwardly extending vertical surfaces to extend downwardly near the longitudinal edges of said ski at the site of attachment of said assembly, butting means on the inward side of each downwardly extending vertical surface cooperating with the underside of said ski at the site of attachment of said assembly, ii. said support member supporting said rotatable rolling surface and comprising an axle and means for bonding said axle to said downwardly extending surfaces such that said axle is substantially transverse to the longitudinal axis of said ski and beneath the underside of said ski, iii. said rotatable rolling surface being segmented and axially mounted around said axle, said rolling surface having a substantially cylindrical center section and being tapered such that each outermost diameter of said surface is smaller than a more inward diameter of said rolling surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |