Adapter assembly for impact tool units with rotatable or oscilla

Details Adapter assembly for impact tool units with rotatable or oscilla Adapter assembly for impact tool units with rotatable or oscilla

1974-09-06

1976-08-03

Purser, Ernest R.

Tool driving or impacting

Impacting devices

Impact transmitting anvil

173162, 279 191, B25D 1708

Patent

active

039723763

ABSTRACT:
An adapter assembly incorporating the lower chuck end of a rotary impact tool unit, the support means thereof, and the tool bit extending from the lower end thereof. The impact tool unit is of the general type in which the impact motor is not connected directly to the outer support housing but is mounted for upward axial movement in the housing, as a result of recoil forces, to substantially reduce shock and vibration transmitted to the operator who holds the unit by means of a handle carried by the housing. The adapter assembly cooperates with the tool bit to hold it down against the work but permits the tool bit to rotate or oscillate about its axis or to remain in a stationary position angularly relative to the axis.

REFERENCES:
patent: 1326245 (1919-12-01), Worthen
patent: 2461527 (1949-02-01), Curtis et al.
patent: 3255832 (1966-06-01), Leavell
patent: 3356166 (1967-12-01), Diachenko
patent: 3601205 (1971-08-01), Kurt
patent: 3666024 (1972-05-01), Beaumont
patent: 3685593 (1972-08-01), Amtsberg

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