Roughing machine having tool position adjusting mechanism
Patent 4020660 Issued on May 3, 1977. Estimated Expiration Date: 
May 3, 1994. 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 3, 1994. 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 3077098 3298048 3400561 3645118 3843985 InventorAssigneeApplicationNo. 05/694005 filed on 06/08/1976US Classes:69/6.5, Roughing12/1R, MISCELLANEOUS12/77Rotary toolExaminersPrimary: Lawson, Patrick D.Attorney, Agent or FirmAbstractA roughing machine for roughing the margin of an upper of a shoe assembly comprised of a last having an insole on its bottom and the upper mounted thereon with the upper margin lying against and being secured to the insole periphery. The machine is so constructed as to enable a roughing tool to engage the upper margin a relatively great or a relatively small distance inwardly of the periphery of the shoe assembly bottom during movement of the upper margin past the roughing tool and the machine incorporates an automatically operable mechanism for placing the roughing tool in one or the other of these positions. | |
