Locking and bolting unit
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United States of America Patent
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Jul 28, 2015
Grant Date -
Aug 26, 2010
app pub date -
Feb 18, 2010
filing date -
Feb 20, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A locking and bolting unit for sections telescoping out of a basic element, in particular sections of a telescoping boom of a mobile crane. The invention involves a locking and bolting unit for sections telescoping out of a basic element, in particular sections of a telescoping boom of a mobile crane, comprising two safety bolts (3) arranged displaceably relative to each other, and an interlocking bolt (5) interacting with a grasper (4). Moreover, the safety bolts (3) and an extension of the grasper (4) constructed as a piston rod (5) are positioned together in a lower housing section vertically displaceable in relation to each other and the piston (6) for the piston rod (5) of the grasper (4) is located in an upper housing part (2) placed on a lower housing part (1).
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