Patent References 808706 3679244 Dumbbell, adjustable, and locking means Weight lifting apparatus Exercise device Quick-bolt locking system Apparatus for securing exercise weights on shafts Exercise lifting bar with self-contained weight mounts Barbell system Barbell weight lock InventorApplicationNo. 10803372 filed on 03/19/2004US Classes:482/107, Having securing member (e.g., locking collar, etc.) for retaining weight on bar482/106, Handheld bar with weight at each end (e.g., barbell, dumbbell, etc.) or component thereof482/108Bar held by single hand of user (e.g., dumbbell, etc.)ExaminersPrimary: Crow, Stephen R.Assistant: Lewin, Allana Attorney, Agent or FirmInternational ClassA63B 21/072AbstractA means of quickly securing and unsecuring plates on the ends of barbells, dumbbells, and similar exercise equipment without the use of separable collars. The plates are secured by means of one or more plungers that are actuated by an internal mechanism that causes the plunger or plungers to rise above the outer circumference of the end of the bar.Field of SearchHandheld bar with weight at each end (e.g., barbell, dumbbell, etc.) or component thereofHaving securing member (e.g., locking collar, etc.) for retaining weight on bar Bar held by single hand of user (e.g., dumbbell, etc.) Club Including helically grooved or twisted shaft for imparting rotation Radially sliding catch Biased by distinct radially acting means | |