Mass compensated impacting apparatus
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United States of America Patent
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-
May 10, 1983
Grant Date -
N/A
app pub date -
Jul 17, 1980
filing date -
Jul 17, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a mass compensated impacting apparatus composed of at least one pair of impacting tools and a common tool carrier supporting the tools, there is provided a two-mass vibration excitation system associated with each tool and including vibrating masses which are positively linearly guided in an essentially non-resilient manner, and a unit driving the vibratory masses with phase relationships such that the resulting average of all mass forces becomes at least approximately zero.
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