Powered driver with location specific switching
First Claim
1. A powered driver for rotating a threaded connector, the driver comprising:
- a head housing a drive transfer assembly operating a rotatable socket engageable at the threaded connector;
means for applying motive force to said drive transfer assembly;
a reaction unit engageable at a utility related to the threaded connector, said reaction unit movably maintained at said head and biased toward said rotatable socket at least during rotation of an engaged threaded connector in one direction; and
switching with components associated with both said reaction unit and said head that are operatively associated to provide triggering at selected relative location of said reaction unit and said head to decouple said means for applying motive force.
1 Assignment
0 Petitions
Accused Products
Abstract
Powered drivers and methods are disclosed, the drivers including a head housing a motor driven drive transfer assembly for operating a rotatable socket engageable at a threaded connector. A reaction unit having a fitting engagement attached to rail guides is movably maintained through the head. A biasing unit is maintained at the head and is operatively associated with the rail guides of the reaction unit to bias the fitting engagement of the reaction unit toward the rotatable socket during tightening rotation of the engaged threaded connector. A probe and switch are associated with different ones of the reaction unit and the head, and are brought into operative association at selected relative locations of the reaction unit and the head during connector rotation to cause motor cessation.
51 Citations
20 Claims
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1. A powered driver for rotating a threaded connector, the driver comprising:
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a head housing a drive transfer assembly operating a rotatable socket engageable at the threaded connector; means for applying motive force to said drive transfer assembly; a reaction unit engageable at a utility related to the threaded connector, said reaction unit movably maintained at said head and biased toward said rotatable socket at least during rotation of an engaged threaded connector in one direction; and switching with components associated with both said reaction unit and said head that are operatively associated to provide triggering at selected relative location of said reaction unit and said head to decouple said means for applying motive force. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A powered driver for line fittings comprising:
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a head housing a rotatable socket; a motor operatively associated with said rotatable socket; a reaction unit including a fitting engagement attached to at least one rail guide movably maintained through said head; at least a first biasing unit maintained at said head and operatively associated with said rail guide of said reaction unit to bias said fitting engagement of said reaction unit toward said rotatable socket; a probe connected to said reaction unit; and a switch operatively associated with said motor and mounted at said head at a position to be contactable by said probe. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method for reliably repeatable rotation of threaded line fitting nuts to a selected tightness comprising:
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engaging the nut at a rotatable socket and rotating the nut in one direction; engaging another part of the line fitting at a reaction unit movably maintained adjacent to the socket and biasing the reaction unit toward the socket during rotation of the engaged nut in said one direction; gauging relative location of the reaction unit and the socket during rotation in said one direction; and responsive to said gauging, causing cessation of rotation when a selected relative location of the reaction unit and the socket is achieved corresponding to selected nut tightness. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification