Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Reexamination Certificate
2005-05-10
2005-05-10
Gerrity, Stephen F. (Department: 3721)
Elongated-member-driving apparatus
Explosive-type driving means
With plunger
Reexamination Certificate
active
06889884
ABSTRACT:
A setting tool including a piston guide (1) for guiding the drive piston (4) of the tool, a bolt guide (2), and a buffer member (8) located in the guide bore (12) of the piston guide (1) between the sealing element (5) of the drive piston (4) and the bolt guide (2) and surrounding the drive piston stem (6), with the guide bore (12) of the piston guide (1) having at least one stop shoulder (7) having a stop surface facing in the setting direction, and the buffer member (8) having at least one mating shoulder (10) having a facing in a direction opposite the setting direction, mating surface cooperating with the stop surface of the stop shoulder (7) of the guide bore (12).
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Jakob Robert
Welte Norbert
Gerrity Stephen F.
Hilti Aktiengesellschaft
Sidley Austin Brown & Wood LLP
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