Rear deltoid excercise machine
Patent 5125881 Issued on June 30, 1992. Estimated Expiration Date: 
December 14, 2010. 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.
December 14, 2010. 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 3640527 3858873 Force receiving exercising member Exercise machine Patent #: 4720099 InventorAssigneeApplicationNo. 627325 filed on 12/14/1990US Classes:482/97, Having lever carrying the weight482/93, Utilizing weight resistance482/100Pivoted user interface elementExaminersPrimary: Bahr, RobertAssistant: Donnelly, Jerome Attorney, Agent or FirmInternational ClassA63B 021/06AbstractA rear deltoid exercise machine includes a frame, a bench supported by the frame along a vertical midplane and two independently pivotal levers connected to the frame on opposite sides of the midplane adjacent a head end of the bench. Each lever includes a hub adapted to hold at least one removable weight, a connector that extends rearwardly toward the bench and an actuating pad at the rear end of the connector. With the backs of the upper arms engaging inwardly directed surfaces of the actuating pads, an exerciser lying face down on the bench may pivotally raise the levers upwardly, through shoulder adductive motion, against the weight supported on the hubs to exercise the rear deltoid muscle groups.Other References
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