Patent ID: 6823769
Filing Date: 2004-11-30
Classification: F16J

Abstract:
A releasable coupling arrangement configured for fixing a coupleable member to a piston rod, the arrangement comprising:one of a coupleable member and a piston rod having a hole running in an axial direction thereof and the other having a portion configured for being received by the hole for interconnection of the coupleable member and the piston rod; an elongate locking member and a first opening in the coupleable member and a second opening in the piston rod, each opening extending in a direction different from the axial direction and, each opening being configured for receiving the locking member for the purpose of bringing about fixation between the coupleable member and the piston rod; and the elongate locking member having a greater exterior dimension in a direction transverse to the axial direction along at least a part thereof than at least one of the first and second openings in an aligned direction for effecting form locking between the locking member and the opening and wherein the hole in the coupleable member is at least partly threaded, and the coupleable member is provided with the portion intended for being received in the hole of the piston, and this portion further includes a threading corresponding to the threading of the hole and wherein the threaded hole of the coupleable member extends at least partly through said projecting portion.