US3747947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski with adjustable device
Assignee: Individual
•
Filing: 1971-10-21
•
Granted: 1973-07-24
•
Expires: 1991-10-21
Abstract
Abstract Application of an adjustable device to skis, which influences the skiing qualities by the variation of the mass moment of inertia.
Inventors
- 👤 E Gunzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:16
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/06; A63C5/07
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
67 words
In a ski having an elongated body, the improvement comprising: mass means means mounted on said body for selectively moving said mass means in a direction generally parallel to the longitudinal axis of said body, said mass means in one longitudinal position on said body defining one stability and gliding characteristic, said mass means in another longitudinal position on said body defining another stability and gliding characteristic.
Claim 2
Dependent Claim
67 words
In a ski having an elongated body, the improvement comprising: mass means means mounted on said body for selectively moving said mass means in a direction generally parallel to the longitudinal axis of said body, said mass means in one longitudinal position on said body defining one stability and gliding characteristic, said mass means in another longitudinal position on said body defining another stability and gliding characteristic.
Claim 3
Dependent Claim
35 words
The improvement according to claim 1, wherein said mass means comprises a pair of masses both mounted for longitudinal movement on said body toward and away from each other and the center of said body.
Claim 4
Dependent Claim
63 words
The improvement according to Claim 2, wherein said means for moving said masses comprises cable means guided by pulley means and drive means for driving said cable means relative to said body, said masses being secured to a reach of said cable means and being movable by said cable means along said body when said cable means is driven by said drive means.
Claim 5
Dependent Claim
21 words
The improvement according to Claim 3, wherein said body is hollow and said masses are mounted for movement inside said body.
Claim 6
Dependent Claim
23 words
The improvement according to Claim 1, wherein said elongated body is hollow and said movable mass is mounted for movement inside said body.
Claim 7
Dependent Claim
18 words
The improvement according to Claim 1, wherein said mass means comprises a mass movable longitudinally of said body.
Claim 8
Dependent Claim
61 words
The improvement according to Claim 6, wherein said moving means comprises cable means guided by pulley means and drive means for driving said cable means relative to said body, said mass means being secured to a reach of said cable means and being movable by said cable means along said body when said cable means is driven by said drive means.
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |