Presses – Reciprocating press construction – Fluid pressure actuation
Reexamination Certificate
2007-11-21
2010-10-19
Nguyen, Jimmy T (Department: 3725)
Presses
Reciprocating press construction
Fluid pressure actuation
C100S269150, C100S102000, C100S103000, C083S635000, C072S409160, C072S453160
Reexamination Certificate
active
07814827
ABSTRACT:
A locking bolt for mounting a tool in a hydraulic press, it being possible for the locking bolt to move in a bolt receptacle between a locking position and a release position, with a securing element, which is located in the bolt receptacle and secures the locking position by positive engagement in the locking bolt, the locking bolt also having a securing portion, and the locking bolt being secured against movement into the release position when the securing element is located in the securing portion. The locking bolt has a longitudinal groove, in that the securing portion is formed with a securing depth in any event corresponding to a groove depth of the longitudinal groove and in that the securing portion is formed such that it is adjacent to the longitudinal groove in the circumferential direction, with a direct transition from a groove base into the securing position.
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Frenken Egbert
Wilsdorf Frank
Clark Hill PLC
Gustav Klauke GmbH
Nguyen Jimmy T
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