Lateral raise exercise machine
Patent 5171198 Issued on December 15, 1992. Estimated Expiration Date: 
November 30, 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.
November 30, 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 3858873 Force receiving exercising member Exercise machine Multi-purpose exercise machine Patent #: 4854578 InventorAssigneeApplicationNo. 621053 filed on 11/30/1990US Classes:482/97, Having lever carrying the weight482/92, USER MANIPULATED FORCE RESISTING APPARATUS, COMPONENT THEREOF, OR ACCESSORY THEREFOR482/133Having common force transmitting support frame for user and for force resisterExaminersPrimary: Apley, Richard J.Assistant: Donnelly, Jerome Attorney, Agent or FirmInternational ClassA63B 021/00AbstractA lateral raise exercise machine includes a frame, a seat and backrest supported by the frame along a vertical midplane and two levers pivotally connected to the frame on opposite sides of the midplane behind the seat and backrest. Each lever includes a hub adapted to hold at least one removable weight, a counterweight mounted opposite the pivot point from the hub, a connector that extends forwardly alongside the backrest and seat, and an actuating pad mounted at a forward end of the connector. The levers pivot about axes that converge forwardly toward the vertical midplane. With the forearms engaging inner surfaces of the actuating pads, an exerciser supported on the seat and backrest may pivotally raise the levers upwardly against the weight supported on the hubs via a lateral shoulder abductive motion, thereby to exercise the deltoid muscles.Other References
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