Barbell collar apparatus
Patent 5295934 Issued on March 22, 1994. Estimated Expiration Date: 
February 3, 2013. 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.
February 3, 2013. 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 1179594 2640696 2796269 Exercise device Quick-bolt locking system Apparatus for securing exercise weights on shafts Yieldable restraining members for barbell weights Exercise lifting bar with self-contained weight mounts Quick release collar Weight collar Patent #: 5163887 InventorsApplicationNo. 012769 filed on 02/03/1993US Classes:482/107, Having securing member (e.g., locking collar, etc.) for retaining weight on bar482/108Bar held by single hand of user (e.g., dumbbell, etc.)ExaminersPrimary: Apley, Richard J.Assistant: Donnelly, Jerome Attorney, Agent or FirmInternational ClassA63B 013/00AbstractA barbell collar includes a collar and sleeve arrangement that are telescopingly displaceable relative to one another to permit adjustment along a barbell support rod. Retractable detent spheres are mounted within the sleeve for engagement with annular grooves of the barbell to effect selective securement and positioning of the sleeve structure relative to the barbell rod.Field of SearchBarbell supportWeight worn on body of user Handheld bar with weight at each end (e.g., barbell, dumbbell, etc.) or component thereof Having securing member (e.g., locking collar, etc.) for retaining weight on bar Bar held by single hand of user (e.g., dumbbell, etc.) AXIALLY SPLIT OR SEPARABLE MEMBER Coaxial collar or shoulder or rod is clamp element MANUALLY RELEASEABLE LATCH TYPE Spring biased manipulator BIASED CATCH OR LATCH By separate spring SAFETY RELEASE With latch or lock WITH LOCK OR SEAL Quick release BALL AND SOCKET Spring-biased ball Socketed spring | |
