Impulse torque generator for a hydraulic power wrench
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United States of America Patent
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-
Apr 21, 1998
Grant Date -
N/A
app pub date -
Apr 7, 1995
filing date -
Apr 8, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An impulse torque generator, for a hydraulic impulse torque wrench, includes a liner driven by a rotor. The liner has an inner cavity with at least two pairs of sealing surfaces around its inner peripheral surface. A main shaft extends coaxially through the liner and includes at least two projections. Also, at least two driving blades are provided for generating an impulse torque on the main shaft by abutting the projections of the main shaft.
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