Ski vibration damper
Patent 4563020 Issued on January 7, 1986. Estimated Expiration Date: 
June 10, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 10, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3113640 3537717 3774730 Device for damping vibration of a ski Vibration damping apparatus Racket and a method for manufacturing same Ski with vibration-damping means Slalom ski with vibration damper Patent #: 4438946 InventorsAssigneeApplicationNo. 06/503350 filed on 06/10/1983US Classes:280/602, With camber or flexibility control188/378INERTIA OF DAMPING MASS DISSIPATES MOTION (E.G., VIBRATION DAMPER)ExaminersPrimary: Bertsch, Richard A.Attorney, Agent or FirmInternational ClassesF16F 7/10 (20060101)F16F 7/108 (20060101) A63C 5/06 (20060101) A63C 5/075 (20060101) Foreign Application Priority Data1982-06-11 CHAbstractA ski damper which can be inserted into a hole formed in the ski blade comprises a pair of housing portions which can be joined together from opposite sides of the blade to define a receptacle in which a disk is shiftable between a pair of foam rings. The disk is composed of a material having a specific gravity greater than 10 and has a thickness/diameter ratio between 1/3 and 1/30 and damps primarily vibrations in the frequency range between 100 and 200 Hz. | |
