Triaxially pivotable backpack carrier
Patent 4303186 Issued on December 1, 1981. Estimated Expiration Date: 
August 11, 2000. 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.
August 11, 2000. 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 3031707 3493153 3547458 3563431 3648907 3733017 3860157 3889859 Backpack frame and assembly Tubular back supported child carrier InventorApplicationNo. 06/176983 filed on 08/11/1980US Classes:224/634, Parts of framework movable relative to each other403/150, T-pivot, e.g., wrist pin, etc.403/157Fork and tongueExaminersPrimary: Pollard, Steven M.Attorney, Agent or FirmInternational ClassesA45F 3/04 (20060101)A45F 3/08 (20060101) AbstractThe backpack carrier permits a user to bend sideways, forward and backward without impediment. It includes a backpack frame and shoulder harness which is pivotally attached to a hip yoke through a two axis pivot member to permit pivotal movement therebetween about the vertical axis and about the horizontal axis generally perpendicular to the plane defined by the backpack frame. The ends of the hip yoke are secured to a harness locatable about the user's waist through a pivot member to permit pivotal movement of the hip yoke about the horizontal axis in the plane generally defined by the backpack frame. | |
