Cable-laying apparatus provided with a safety system and method for stopping said cablelaying apparatus safely
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United States of America Patent
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Dec 6, 2022
Grant Date -
Nov 1, 2018
app pub date -
Oct 27, 2016
filing date -
Oct 30, 2015
priority date (Note) -
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Abstract
Apparatus to lay cables, comprising a work unit bearing at least a pair of capstans to support the cables and provided with a safety device cooperating with the pair of capstans; a winding and unwinding unit for the cables, provided with a dynamic braking device cooperating with a reel for winding and unwinding the cables; an adjustment and safety hydraulic circuit in which a work fluid flows and with which the following are associated: a first power transmission unit to transmit power to the work unit and to pump the work fluid toward the safety device and toward said dynamic braking device, a second motorized braking unit of the work unit cooperating with a third command unit of the safety device, and a fourth regulation unit to regulate the winding and unwinding unit comprising at least a motorized counter-traction valve of the winding and unwinding unit and cooperating with said power transmission unit.
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