# US 10,307,897 B2 · Double socket telescopic torque reactor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,897 B2 - Document ID: US10307897B2 - Status: Granted - Kind: B2 - Application number: 15/007,032 - Filed: 2016-01-26 - Published: 2017-07-27 - Granted: 2019-06-04 - Earliest claimed: 2016-01-26 - Assignees: The Boeing Company - Applicants: The Boeing Company - Inventors: Paul R. Stone; Michael W. Luce - Web page: https://patentgrep.com/patent/US10307897B2 ## CPC - B25B 23/0085: {Counterholding devices} - B25B: TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING ## Abstract A torque reactor employs a first socket with a first drive element engaging the first socket and a second socket with a second drive element engaging the second socket. The first drive element has a first receiving channel and the second drive element has a second receiving channel. A shaft is received in the first receiving channel second receiving channel. A first engagement mechanism secures the shaft in the first receiving channel and a second engagement mechanism secures the shaft in the second receiving channel. ## Claims ### Claim 1 A torque reactor comprising: a first socket configured to engage a fastener element; a first drive element engaging the first socket, said first drive element having a first receiving channel; a second socket configured to engage a second fastener element; a second drive element engaging the second socket, said second drive element having a second receiving channel; a shaft received with a lateral gap in the first receiving channel and in the second receiving channel; a first releasable engagement mechanism urging a face of the shaft against a reacting face of the first receiving channel frictionally securing the shaft in the first receiving channel, thereby preventing motion of the first drive element longitudinally along the shaft when secured; and, a second releasable engagement mechanism urging the face of the shaft against a reacting face of the second receiving channel frictionally securing the shaft in the second receiving channel, thereby preventing motion of the second drive element longitudinally along the shaft when secured; said first releasable engagement mechanism and said second releasable engagement mechanism allowing relaxation of the shaft within the channel for translation of the drive elements longitudinally along the shaft and lateral translation of the shaft in the lateral gap relieving induced preload in the first and second socket when released. ### Claim 2 (depends on 1) The torque reactor as defined in claim 1 wherein the first and second engagement mechanisms each comprise at least one set screw received through a threaded bore to engage a first face of the shaft urging a second face of the shaft laterally upon tightening to engage a reacting face of the receiving channel thereby locking the shaft in the channel. ### Claim 3 (depends on 2) The torque reactor as defined in claim 2 wherein loosening of the at least one set screw releases the shaft thereby allowing longitudinal adjustment of the first and second drive elements on the shaft. ### Claim 4 (depends on 2) The torque reactor as defined in claim 2 wherein loosening of the at least one set screw releases the shaft thereby releasing preload on the sockets induced by torqueing of a fastener engaged by one of the first or second socket. ### Claim 5 (depends on 1) The torque reactor as defined in claim 1 wherein the first and second engagement mechanisms each comprise an overcenter cam having a securing face and a releasing face rotatably mounted in a slot in each of the drive elements. ### Claim 6 (depends on 5) The torque reactor as defined in claim 5 wherein rotation of the cam to an engaged position urges the securing face against the a first face of the shaft urging a second face of the shaft laterally upon to engage a reacting face of the receiving channel thereby locking the shaft in the channel. ### Claim 7 (depends on 5) The torque reactor as defined in claim 5 wherein rotation of the cam with the releasing face adjacent the shaft releases the shaft thereby allowing longitudinal adjustment of the first and second drive elements on the shaft. ### Claim 8 (depends on 5) The torque reactor as defined in claim 5 wherein rotation of the cam with the releasing face adjacent the shaft releases the shaft thereby releasing preload on the sockets induced by torqueing of a fastener engaged by one of the first or second socket. ### Claim 9 (depends on 1) The torque reactor as defined in claim 1 wherein each of said first and second sockets incorporate a bifurcated segment and each of said first and second drive elements are integral with the first and second sockets, said shaft is slidably engaged through an aperture in each of the drive elements and is releasably secured with a set screw and said engagement mechanism includes a bolt received through an aperture in each bifurcated segment and secured in a threaded bore. ### Claim 10 (depends on 9) The torque reactor as defined in claim 9 wherein loosening of the set screws releases the shaft thereby allowing longitudinal adjustment of the first and second drive elements on the shaft. ### Claim 11 (depends on 9) The torque reactor as defined in claim 9 wherein loosening of the bolts releases bifurcated segments thereby releasing preload on the sockets induced by torqueing of a fastener engaged by one of the first or second socket. ### Claim 12 A torque reactor comprising: a first socket configured to engage a fastener element; a first drive element engaging the first socket, said first drive element having a first receiving channel; a second socket configured to engage a second fastener element; a second drive element engaging the second socket, said second drive element having a second receiving channel; a shaft received in the first receiving channel and received in the second receiving channel; a first engagement mechanism securing the shaft in the first receiving channel; and, a second engagement mechanism securing the shaft in the second receiving channel, wherein the first and second engagement mechanisms each comprise a cap plate having a key releasably engaged on each drive element with bolts, said cap plate key engaging a groove in a top surface of the shaft urging a bottom face of the shaft vertically upon tightening to engage a bottom surface of the receiving channel, said groove and bottom surface as reacting faces thereby locking the shaft in the channel. ### Claim 13 (depends on 12) The torque reactor as defined in claim 12 wherein loosening of the bolts releases the shaft thereby allowing longitudinal adjustment of the first and second drive elements on the shaft. ### Claim 14 (depends on 12) The torque reactor as defined in claim 12 wherein loosening of the bolts releases the shaft thereby releasing preload on the sockets induced by torqueing of a fastener engaged by one of the first or second socket. ### Claim 15 A method for reacting torque during torqueing of a fastener comprising: releasing restraining elements in at least one of a first drive element having a first receiving channel and a second drive element having a second receiving channel from a shaft received in the first and second receiving channels with a lateral gap; longitudinally adjusting the drive elements on the shaft to be equivalent to spacing of fasteners onto which first and second sockets are to be placed; placing the first and second sockets on a fastener and an adjacent fastener; securing the restraining elements in the first and second drive elements constraining the shaft in the drive elements; torqueing the fastener; transmitting the torque in the first socket through the first drive element and shaft to the second drive element and second socket secured to the adjacent fastener employing the arm length of the shaft between the drive elements for mechanical advantage to react the torque; and, upon completion of torqueing the fastener, releasing the restraining elements allowing lateral translation of the shaft in a lateral gap thereby releasing any preload established in the sockets. ### Claim 16 (depends on 15) The method as defined in claim 15 further comprising removing the sockets from the fasteners. ### Claim 17 (depends on 15) The method as defined in claim 15 wherein the restraining elements each comprise at least one set screw received through a threaded bore and the step of securing the restraining elements comprises tightening the at least one set screw to engage a first face of the shaft urging a second face of the shaft laterally to engage a reacting face of the receiving channel thereby locking the shaft in the channel and wherein the step of releasing the restraining elements comprises loosening the at least one set screw. ### Claim 18 (depends on 15) The method as defined in claim 15 wherein the restraining elements each comprise an overcenter cam having a securing face and a releasing face rotatably mounted in a slot in each of the drive elements and the step of securing the restraining elements comprises rotating the cam to an engaged position thereby urging the securing face against the a first face of the shaft urging a second face of the shaft laterally upon to engage a reacting face of the receiving channel locking the shaft in the channel and wherein the step of releasing the restraining elements comprises rotating the cam with the releasing face adjacent the shaft. ### Claim 19 (depends on 15) The method as defined in claim 15 wherein the restraining elements each comprise a cap plate having a key, said cap plate releasably engaged on each drive element with bolts, and the step of securing the restraining elements comprises engaging the cap plate key with a groove in a top surface of the shaft urging a bottom face of the shaft vertically upon tightening of the bolts to engage a bottom surface of the receiving channel, said bottom surface and groove as reacting faces thereby locking the shaft in the channel and wherein the step of releasing the restraining elements comprises loosening the bolts. ### Claim 20 (depends on 15) The method as defined in claim 15 wherein the first and second sockets each include a bifurcated segment and the restraining elements each include a bolt received through an aperture in each bifurcated segment and secured in a threaded bore and the drive elements each include an aperture receiving the shaft releasably secured with a set screw and the step of securing the restraining elements comprises tightening the set screws and the bolts and wherein the step of releasing the restraining elements comprises loosening the set screws and the bolts.