Torque applicator
Patent 4152972 Issued on May 8, 1979. Estimated Expiration Date: 
March 10, 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.
March 10, 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 3141387 3153986 3353454 InventorApplicationNo. 05/776434 filed on 03/10/1977US Classes:92/33, Element extends through working member portion92/31RECTILINEARLY MOVING WORKING MEMBER AND COAXIAL OR PARALLEL ELEMENT SLIDABLY INTERENGAGED FOR RELATIVE ROTARY MOVEMENTExaminersPrimary: Cohen, Irwin C.Attorney, Agent or FirmInternational ClassesB25B 21/00 (20060101)F15B 15/00 (20060101) F15B 15/08 (20060101) F15B 15/06 (20060101) Foreign Application Priority Data1976-03-12 NOAbstractA torque applicator includes a house and a stem extending through a bore therein, the stem including teeth which are engageable with teeth disposed on a piston axially movable within the bore and positioned between an inner wall of the house and the stem. The piston is further engageable with an axially movable element which is positioned between the piston and the inner wall of the house, the axially movable element including teeth which are engageable with teeth disposed on the inner wall of the house.Field of SearchRECTILINEARLY MOVING WORKING MEMBER AND COAXIAL OR PARALLEL ELEMENT SLIDABLY INTERENGAGED FOR RELATIVE ROTARY MOVEMENTWorking fluid-actuated interengaging means permits unidirectional rotation of element relative to fixed part Element extends through working member portion WITH RELEASABLE LATCH MEANS BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT AXIALLY SLIDABLE THEREIN First working member moves second coaxial working member through separating abutment surfaces | |
