Elongated-member-driving apparatus – With interlock means
Patent
1985-02-19
1986-01-21
Bell, Paul A.
Elongated-member-driving apparatus
With interlock means
227 10, B25C 114
Patent
active
045653127
ABSTRACT:
The tool is used for explosively driving fasteners or the like into supporting surfaces, such as masonry. It is designed for the do-it-yourself user and includes a safety which requires that both hands be used to fire the tool. The tool is of the type which includes a barrel which is reciprocally slidably mounted on a housing and must be pressed breechwardly to cock the firing assembly for firing. A barrel blocking member is mounted on the housing and must be manually disabled from blocking the barrel before the latter may be caused to cock the firing mechanism. The blocking member is so located that it cannot be disabled by the same hand which grasps the tool's pistol grip and pulls the trigger when the tool is fired.
REFERENCES:
patent: 3558032 (1971-01-01), Oelinger
patent: 3620433 (1971-11-01), Lawton
patent: 4165676 (1979-08-01), Siegmann
patent: 4252259 (1981-02-01), Brosius
patent: 4384668 (1983-05-01), Tutomu et al.
Bell Paul A.
Jones William W.
Uniset Corporation
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