Ski damper

Description

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.

Referenced Cited
U.S. Patent Documents
4405149 September 20, 1983 Piegay
4438946 March 27, 1984 Piegay
4563020 January 7, 1986 Arieh et al.
4674763 June 23, 1987 Schlagenhaufer
5143394 September 1, 1992 Piana
5678840 October 21, 1997 Simonian
Other references
  • 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).
Patent History
Patent number: D404100
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
Classifications
Current U.S. Class: Element, Attachment, Or Accessory (D21/771)
International Classification: 2102;