Weight stack methods and apparatus
Patent 5876313 Issued on March 2, 1999. Estimated Expiration Date: 
July 1, 2017. 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.
July 1, 2017. 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 772906 848272 1053109 3647209 3912261 Weight lifting exercise apparatus Exercise device Exercise weight Weight training machine safety shield Exercise machine weight guide InventorApplicationNo. 886607 filed on 07/01/1997US Classes:482/98, Having guide around or through weight482/908ADJUSTABLEExaminersPrimary: Apley, Richard J.Assistant: Hwang, Victor K. Foreign Patent References
International ClassA63B 021/062AbstractA selector rod is rotated into engagement with a desired weight within a weight stack to provide resistance to exercise movement.Field of SearchAmount of resistanceUtilizing weight resistance Including stationary support for weight Flexible element drawn out through exit guide Track or way guided user interface element Having guide around or through weight Pivoted user interface element And flexible force transmitting linkage element Relocatable exit guide Having securing member (e.g., locking collar, etc.) for retaining weight on bar Club ADJUSTABLE Having lever carrying the weight | |
