CRANE TELESCOPE LOCKING DEVICE
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jul 19, 2019
filing date -
Jul 19, 2019
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Abstract
A crane telescope locking device includes a control device which is hydraulically in contact with a telescoping cylinder of a crane telescope and, for the purpose of actuating, with at least one cylinder lock hydraulic cylinder and includes a valve which is open in its inactivated resting state and thus opens a fluidic connection between the telescoping cylinder and the at least one cylinder lock hydraulic cylinder. A telescoping cylinder (6) of a crane includes such a crane telescope locking device.
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