Quick release weight bar clamp and method for use
Patent 5295933 Issued on March 22, 1994. Estimated Expiration Date: 
June 18, 2012. 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.
June 18, 2012. 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 2244351 3177551 3204991 3305234 3828403 Quick release locking device Tube coupling Toggle clamp Releasable locking device Frame assembly InventorsApplicationNo. 901175 filed on 06/18/1992US Classes:482/107, Having securing member (e.g., locking collar, etc.) for retaining weight on bar24/270, Self-locking (dead center or snap action)403/17, Handle or handwheel403/374.5Lever actuatorExaminersPrimary: Bahr, RobertAttorney, Agent or FirmForeign Patent References
International ClassA63B 021/075AbstractA quick release clamp having two crescent halves coupled at one end by a hinge and a spreader spring at the opposite end. A cam follower is coupled to the spring end of the crescent halves and configured to receive a handle. A handle, containing a cam configured to engage the cam follower, which when parallel to the hinge does not engage the cam and the clamp is open, and when rotated a quarter turn engages the cam and closes the clamp. | |
