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US 4,802,806 AGranted
Tension device for tightening and loosening bolts or pins
AssigneeFramatome
InventorGerard Sevelinge
Life of this patent
Estimating the term…
Abstract
Tension device for tightening and loosening bolts or pins, formed by a body having at least one jack (40) equipped with a piston (25). Each jack (40) is associated with at least two bolts or pins (3) placed next to one another for simultaneous tightening or loosening.
Claims8
Tension device for simultaneous tightening and loosening of a plurality of fastening member (3), said device comprising a body having at least one jack (40, 51) equipped with a piston (25, 53), each said at least one jack (40-51) being associated with at least two fastening members (3) positioned adjacent to one another for simultaneous extension thereof.
Dependencies are inferred from the claim text.