Portable marking tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 30, 1983
Grant Date -
N/A
app pub date -
Jun 15, 1981
filing date -
Jun 15, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable marking tool having a cylindrical housing and a concentric cylinder slidably supporting the hammer member for delivering an impact to a marking die. A charge of air is built up in the housing which is suddenly imposed on the piston-like hammer member when the charge of air is built up to overcome a predetermined opposing load. In one embodiment, the opposing load is afforded by a pressure regulated chamber and in another embodiment by an adjustable spring load.
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Family
International Classification(s)
Cited Art Landscape
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