Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft
Patent
1990-11-21
1992-01-28
Yost, Frank T.
Tool driving or impacting
Means to drive tool about an axis
Means to hold and relatively rotate sections of tool shaft
173 12, B23B 4502
Patent
active
050836200
ABSTRACT:
A cordless power driven tool includes a body having a handle at the rearward portion thereof, a spindle supported within the body and having a chuck for retaining a bit at the forward end thereof, a motor having an output shaft and accommodated within the body, and power transmission mechanism interposed between the output shaft of the motor and the spindle. The motor is positioned laterally or downwardly of the spindle such that the output shaft of the motor is substantially parallel to the spindle.
REFERENCES:
patent: 1990035 (1935-02-01), Kratz et al.
patent: 2406389 (1946-08-01), Lee
patent: 3120845 (1964-02-01), Horner
patent: 4823885 (1989-04-01), Okumura
patent: 4871033 (1989-10-01), Odoni et al.
patent: 4930583 (1990-06-01), Fushiya et al.
Fushiya Fusao
Okumura Michio
Husar John M.
Makita Electric Works Ltd.
Yost Frank T.
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