Vibration damping units and vibration damped products
Patent 4627635 Issued on December 9, 1986. Estimated Expiration Date: 
June 11, 2004. 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 11, 2004. 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 2544028 3159249 3169881 3327812 3537717 3601228 Racket Vibration isolating hand grip for shank of a percussive chisel Railway flanged wheel vibration dampening assembly Wide-band vibration damper InventorApplicationNo. 06/619132 filed on 06/11/1984US Classes:280/602, With camber or flexibility control188/268, Using yieldable or fluent solid or semisolid267/140.11, Including energy absorbing means or feature (e.g., supplemental vehicle equipment, such as motor mount, seat, etc., including additional fluid or friction energy absorber)280/610, Laminated or synthetic material280/809, SKI OR SKATE APPLIANCE OR ATTACHMENT473/521, For racket or paddle473/546Throat wedge, bridge, or reinforcementExaminersPrimary: Mitchell, David M.International ClassesF16F 1/36 (20060101)F16F 1/371 (20060101) F16F 7/10 (20060101) F16F 7/104 (20060101) F16F 9/30 (20060101) F16F 9/00 (20060101) A63B 59/00 (20060101) A63C 5/06 (20060101) A63C 5/07 (20060101) A63C 5/075 (20060101) AbstractFlexible vibration damping units, and vibratile products including flexible vibration damping units as components thereof, are provided wherein, in the vibration damping unit, at least one laminar group of flexible strip portions of a flexible framework is included having flexible longitudinally free-ended strip portions in the group firmly secured in the framework to one of the flexible strip portions in the group so as to have the strip portions in the group flex, and relatively move longitudinally with reference to one another, when the framework is flexed, this with the vibration damping unit further being characterized by including visco-elastic means, preferably of a visco-elastic adhesive kind, between the interfacially opposed flexible strip portions in the laminar group and engaging the flexible strip portions in that group so as to damp the longitudinal relative movements of the flexible strip portions in the group when the framework is flexed. | |
