Barbell having axially movable grips
July 30, 2011. 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 3756597 Dual purpose exercising device Rotatable handhold for athletic equipment especially for barbells Exercise bar Exercising apparatus Jumprope apparatus having weighted bar Offset rotatable handle members for exercising apparatus Adjustable barbell bar with rotating handles Upper body exercising device Barbell Patent #: 4978122 InventorApplicationNo. 738192 filed on 07/30/1991US Classes:482/106Handheld bar with weight at each end (e.g., barbell, dumbbell, etc.) or component thereofExaminersPrimary: Bahr, RobertAttorney, Agent or FirmInternational ClassA63B 021/072AbstractThe invention is a barbell-type exercise device in which the grips are freely movable on the bar of the device. Each grip includes a number of bearings that allow the grip to slide along the bar without resistance. The grips and bar include complementary anti-rotation apparatus that prevents the grips from rotating about the longitudinal axis of the bar. A number of adjustable stop members may also be placed on the bar to limit the axial travel of the grips. | |
