Device for tightening up nut on bolt
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United States of America Patent
Stats
-
Nov 10, 1992
Grant Date -
N/A
app pub date -
Apr 15, 1992
filing date -
Apr 17, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for tightening up nuts on torque-controlled bolts comprising an inner socket first output gear rotatably disposed within a housing, an outer socket second output gear rotatably disposed coaxially with the first output gear, an inner socket first input gear rotatably disposed on an axis parallel to the axis of the first and second output gears and meshing with the first output gear, and an outer socket second input gear rotatably disposed coaxially with the first input gear and meshing with the second output gear. The first and second output gears respectively have shafts projecting therefrom in the form of concentric circles to provide socket fitting portions at outer ends of the respective shafts. The first and second input gears respectively have shafts projecting therefrom in the form of concentric cir cles to provide coupling portions at outer ends of the respective shafts for connection to output shafts of a power tightening device.
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