Kingpin-free caster assembly
Patent 6931692 Issued on August 23, 2005. Estimated Expiration Date: 
June 19, 2023. 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 19, 2023. 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 ReferencesInventorsAssigneeApplicationNo. 10464112 filed on 06/19/2003US Classes:16/45, Wheels16/21, Ball16/31R, Frame16/38, Pintle retainers29/513, By bending over projecting prongs16/35R, Locked16/29Bracket supportsExaminersPrimary: Mah, Chuck Y.Attorney, Agent or FirmForeign Patent References
International ClassesB60B033/00A47B091/06 B21D053/88 B21D053/10 AbstractA kingpin-free caster in which a plate is assembled onto a yoke with ball bearings therebetween and the plate is deformed in place upon the yoke to capture the ball bearings between the yoke and plate and couple the yoke and plate together against removal. | |
