Neutrally mounted same vibration frequency impact tool

Details Neutrally mounted same vibration frequency impact tool Neutrally mounted same vibration frequency impact tool

1991-10-17

1993-05-25

Rosenbaum, Mark

Tools

Including tool driving by impact delivering component or...

Motor or gear driven

29275, B25B 2100

Patent

active

052130177

ABSTRACT:
A battery powers the motor of an electrically powered impact gun. The body of the gun vibrates at some frequency and an aluminum brush holder therein is configured to vibrate at about the same frequency to minimize chatter and arcing of the brushes on the commutator bars.

REFERENCES:
patent: 3861250 (1975-01-01), Zugai
patent: 4380942 (1983-04-01), Fenton
patent: 4468826 (1984-09-01), Moores, Jr.
patent: 4503737 (1985-03-01), DiGiovanni
patent: 4507565 (1985-03-01), Hamano
patent: 4561331 (1985-12-01), Pratt, Sr.
patent: 4563922 (1986-01-01), Wheeler
patent: 4619162 (1986-10-01), Van Laere
patent: 4658213 (1987-04-01), Finley
patent: 4716793 (1988-01-01), Tauber

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