Ski damper
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FIG. 1 is a a top plan view of a first embodiment of applicants' ski damper design, showing the damper mounted in a ski with a visible damper light;
FIG. 2 is is a side view of the embodiment of FIG. 1; and,
FIG. 3 is an end view of the embodiment of FIG. 1 from the trailing end of the ski, the opposite-end view not being visible in use owning to obstruction by the curved tip of the ski;
FIG. 4 is a top plan view of a second embodiment of applicants' ski damper design, showing the damper mounted in a ski with a visible damper light;
FIG. 5 is a side view of the embodiment of FIG. 4; and,
FIG. 6 is an end view of the embodiment of FIG. 4 from the trailing end of the ski, the opposite-end view not being visible in use owing to obstruction by the curved tip of the ski;
FIG. 7 shows a top plan view of a third embodiment of applicants' ski damper design, showing the ski partially in phantom, the side and end views of this embodiment being substantially the same as FIGS. 5 and 6; and,
FIG. 8 shows a top plan view of a fourth embodiment of applicants' ski damper design, showing the ski partially in phantom, the side and end views of this embodiment being substantially the same as FIGS. 5 and 6.
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| 4438946 | March 27, 1984 | Piegay |
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| 5143394 | September 1, 1992 | Piana |
| 5678840 | October 21, 1997 | Simonian |
- Ashley, S., "Smart Skis and Other Adaptive Structures," Mechanical Engineering, vol. 117, No. 11, 76-81 (1995). Lynch, T., "Piezoelectric Damper Hones Ski Performance," Design News, (Feb. 5, 1996).
Type: Grant
Filed: Sep 27, 1996
Date of Patent: Jan 12, 1999
Assignee: Active Control eXperts, Inc. (Cambridge, MA)
Inventors: Kenneth B. Lazarus (Boston, MA), Jeffrey W. Moore (Concord, MA)
Primary Examiner: Kay H. Chin
Law Firm: Testa, Hurwitz & Thibeault LLP
Application Number: 0/60,387
