Shoe bolt securing and removing apparatus
Patent 4432257 Issued on February 21, 1984. Estimated Expiration Date: 
May 17, 2002. 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.
May 17, 2002. 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 2898792 3108507 3142210 InventorsAssigneeApplicationNo. 06/379020 filed on 05/17/1982US Classes:81/464, Motor or gear driven81/55, Bolt-holding81/57.25, Vehicular81/57.41VehicularExaminersPrimary: Jones, James L. Jr.Attorney, Agent or FirmInternational ClassesB25B 27/22 (20060101)B25B 27/14 (20060101) B25H 1/00 (20060101) AbstractA shoe bolt securing and removing apparatus which includes a carriage movable along rails, a mounting framework movably supported on said carriage for movement transversely of said rails, a power driven rotary bolt turning tool mounted on said mounting framework for upward and downward movement, means supported on said mounting framework for moving said bolt turning tool upwardly and downwardly, a nut holder support supported on said mounting framework for upward and downward movement, means supported on said mounting framework for moving said nut holder support upwardly and downwardly and a nut holder supported on said nut holder support below said bolt turning tool for movement back and forth transversely of said rails, said nut holder including a nut receiving portion having the center axis adapted to align with the center axis of said bolt turning tool in a vertical plane in the advanced position of the nut holder. | |
