Device and method for fixing a piston or a piston rod attachment to a piston rod
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United States of America Patent
Stats
-
Nov 30, 2004
Issued Date -
N/A
app pub date -
Jan 17, 2003
filing date -
Jul 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and arrangement for fixing a piston (1), or a piston rod attachment, to a piston rod (5), one of the piston (1) and the piston rod (5) having a hole (2) running in its axial direction, and the other of these having a portion designed for being received by the hole (2) for connection of the piston (1) and the piston rod (5). The device includes an elongate locking means (10), at least one first opening (8a, 8b) in the piston and at least one second opening (9) in the piston rod (5), which openings (8a, 8b, 9) in the piston rod (5), which openings (8a, 8b, 9) extend in a different direction from the axial direction and are designed for receiving the locking means (10) for the purpose of bringing about the fixing. The elongate locking means (10) has a greater extent in its transverse direction, along at least a part of the means, than the extent of at least one of the openings (8a, 8b, 9) in its transverse direction, along at least a part thereof, for form locking between the locking means (10) and the opening. The invention also relates to a method for the fixing.
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