Chuck
Patent 4121848 Issued on October 24, 1978. Estimated Expiration Date: 
October 28, 1997. 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.
October 28, 1997. 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 3248122 3610645 InventorApplicationNo. 05/846514 filed on 10/28/1977US Classes:279/60, Obliquely guided reciprocating jaws279/110, RADIALLY RECIPROCATING JAWS279/121Wedge actuatedExaminersPrimary: McGehee, Travis S.Attorney, Agent or FirmInternational ClassB23B 31/12 (20060101)AbstractA chuck wherein the jaws are mounted on the outer ends of rods slideably arranged in the chuck body to incline radially and axially inwardly from the front face of the chuck. The rods are slotted on their radially outer sides for engagement with an axially shiftable actuator. The actuator and the chuck body have an axially central passageway therethrough for directing coolant to the front face of the chuck or for accommodating a workpiece ejector rod. | |
