Tool driving or impacting – Means to drive tool about an axis – Gear drive
Patent
1998-06-18
1999-09-07
Smith, Scott A.
Tool driving or impacting
Means to drive tool about an axis
Gear drive
173 48, 81 573, 81490, B25B 1700
Patent
active
059472120
ABSTRACT:
A dual-mode fastener-driving tool is operable in a first mode, where a drive shaft is driven to rotate relative to a handle body by a drive ring and a driven gear assembly, and a second mode, where the handle body is forced downward to enable a clutch unit to engage the drive shaft and permit rotation of the drive shaft with the handle body.
REFERENCES:
patent: 4846027 (1989-07-01), Lu
patent: 5406866 (1995-04-01), Badiali
patent: 5427003 (1995-06-01), Boltak et al.
patent: 5651294 (1997-07-01), Shiao
patent: 5699702 (1997-12-01), Myers
patent: 5782146 (1998-07-01), Lin
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