Swing training and exercise device
Patent 5439225 Issued on August 8, 1995. Estimated Expiration Date: 
May 13, 2014. 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.
May 13, 2014. 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 ReferencesGolf club swing training and exercise device Patent #: 5312107 InventorsAssigneeApplicationNo. 242550 filed on 05/13/1994US Classes:473/223, Integral with or attachable to swingable implement73/379.09, Using hydraulic or pneumatic force-resister473/229, Anchored (e.g., tethered, etc.) swingable implement473/259, Closed loop482/8, Monitors exercise parameter482/112, Confined hydraulic or pneumatic chamber482/118, Disk or ring friction element or portion thereof482/902Employing specific graphic or video displayExaminersPrimary: Marlo, George J.Attorney, Agent or FirmInternational ClassesA63B 021/24A63B 021/22 A63B 069/36 AbstractAn exercise device adapted for use by a person, comprising:a first ring having a predetermined diameter, an inner surface, and an outer surface;a second ring concentric to the first ring and rotatably retained by the first ring;and components for providing isokinetic resistance to rotation of the second ring andfor sensing predetermined characteristics of said second ring during rotation and providing sensor signals corresponding to said sensed characteristics;whereby a person applying a torque in a first direction of rotation causes rotation of the second ring in the first direction of rotation against the isokinetic resistance and the sensing components in response to said rotation sense said predetermined characteristics which are subsequently converted into sensor signals.Field of SearchAmount of resistanceRegulates rate of movement Rate of movement Club Utilizing fluid resistance Confined hydraulic or pneumatic chamber Including external conduit structure Disk or ring friction element or portion thereof Edge engaging braking element Swivelled foot platform Turns solely about vertical axis Employing specific graphic or video display Using hydraulic or pneumatic force-resister | |
