Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Patent
1999-02-11
2000-03-21
Smith, Scott A.
Elongated-member-driving apparatus
Explosive-type driving means
With plunger
B25C 114
Patent
active
060392290
ABSTRACT:
A high-pressure gas-operated setting tool for driving nail-shaped fastening elements into hard constructional components and including a slide (73) displaceable in a guide housing (7) under action of a portion of the high-pressure gas, which is used for displacement of the drive piston (6) in the setting direction, against a biasing force of a spring (8) and having a pawl projecting into the axial projection of the drive piston (6), the pawl (78) displacing the drive piston upon the slide (73) being displaced by the spring (8) in a direction opposite to the setting direction.
REFERENCES:
patent: 4074843 (1978-02-01), Oesterle
patent: 4374567 (1983-02-01), Combette et al.
patent: 5048740 (1991-09-01), Beton
patent: 5213247 (1993-05-01), Gschwend et al.
patent: 5332140 (1994-07-01), Almeras et al.
Ehmig Gerhard
Grazioli Mario
Pfister Norbert
Hilti Aktiengesellschaft
Smith Scott A.
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