Torque wrench system having multiple torque stations

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United States of America Patent

PATENT NO 11708728
SERIAL NO

17398098

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bernard, Oswald J Luling, US 15 81
Bernard, William P Luling, US 16 89
Compton, Brian Cypress, US 13 73
Francis, Dale Luling, US 17 113
Francis, Nicholas Luling, US 8 50
Hiscox, Lan Houston, US 8 50
Jones, Arthur Houston, US 35 369

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