Rotary impacting apparatus

Details Rotary impacting apparatus Rotary impacting apparatus

1994-10-14

1996-02-06

Rada, Rinaldi I.

Tool driving or impacting

Drive controlled by relative axial movement of tool

Drive motor controlled

173 91, 173 94, 173205, 173128, 301646, B25D 1502

Patent

active

054889979

ABSTRACT:
A rotary impacting apparatus comprises a housing, a rotor rotated in the housing, an impact member eccentrically held by the rotor, and a main reciprocative implement held reciprocatively at a forward end portion of the housing. The rotor rotates to hit the impact member for driving the main reciprocative implement into the ground for instance. The apparatus further includes an auxiliary oscillating mechanism for transmitting an impacting force from the impact member to pull the main reciprocative implement when the housing is pulled relative to the main reciprocative implement by a predetermined distance.

REFERENCES:
patent: 2226559 (1940-12-01), Groom
patent: 3160217 (1964-12-01), Raihle
patent: 3162252 (1964-12-01), Cobi
patent: 4495791 (1985-01-01), Kemnitz et al.
patent: 5002134 (1991-03-01), Yamada

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