Resonant system support

Details Resonant system support Resonant system support

1980-03-10

1982-03-23

Herrmann, Allan D.

Tool driving or impacting

Drive by means reacting to rotating eccentric mass

74 1SS, 74 61, 366116, B06B 116, F16H 3320

Patent

active

043208070

ABSTRACT:
An oscillator producing vibrations at an operating frequency near, but different from, the resonant frequency of a resonant system is coupled to its input and the resonant system is supported a predetermined distance from its free ringing node(s) at position(s) corresponding to the effective node(s) for the operating frequency. The oscillator is controlled to maintain the operating frequency at a predetermined constant value, which keeps the effective nodes at the same position as the load driven by the output of the resonant system varies.

REFERENCES:
patent: 3004389 (1961-10-01), Muller
patent: 3076545 (1963-02-01), Bodine, Jr.
patent: 3232669 (1966-02-01), Bodine, Jr.
patent: 3468384 (1969-09-01), Bodine
patent: 3572139 (1971-03-01), Shatto, Jr.
patent: 3604520 (1971-09-01), Shatto, Jr.
patent: 3633683 (1972-01-01), Shatto, Jr.
patent: 3837239 (1974-09-01), Bodine
patent: 4168916 (1979-09-01), Yamada et al.

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