Ordnance – Explosive operated apparatus
Patent
1996-05-15
1997-01-28
Johnson, Stephen M.
Ordnance
Explosive operated apparatus
227 10, B25C 114
Patent
active
055979726
ABSTRACT:
An explosive powder charge operated setting tool includes a housing (1) with a bolt guide (2) projecting axially outwardly from its leading end in the setting direction. The bolt guide (2) is axially displaceably relative to the housing. A magazine (5) for fastening elements (6) is mounted on the bolt guide (2) and is displaceable relative to the bolt guide counter to the setting direction against the force of a first spring (11) positioned between the bolt guide and the magazine. A second spring (13) is located between the housing (1) and the magazine (5) and has a maximum force in the setting direction and a spring travel each greater than the spring force and travel of the first spring (11).
REFERENCES:
patent: 3863824 (1975-02-01), Bakoledis
patent: 4741467 (1988-05-01), Gassner et al.
patent: 4930673 (1990-06-01), Pfister
Hilti Aktiengesellschaft
Johnson Stephen M.
LandOfFree
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