Hand power tool with a clutch

192 clutches and power-stop control – Clutches – Automatic

Reexamination Certificate

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Details

C192S054500, C192S069820, C192S11000B, C081S475000

Reexamination Certificate

active

07431136

ABSTRACT:
A hand power tool has a clutch, a motor, a drive shaft located at a side of the motor, a driven shaft to be located at a side of a workpiece, a clutch which couples the drive shaft and the driven shaft and enters into engagement when pressure is exerted on the driven shaft, and the clutch is provided with a clutch engagement aid.

REFERENCES:
patent: 4947714 (1990-08-01), Fluri
patent: 5209308 (1993-05-01), Sasaki
patent: 5568849 (1996-10-01), Sasaki et al.
patent: 2003/0023917 (2003-01-01), Richardson et al.
patent: 2005/0150735 (2005-07-01), Donner
patent: 0 437 060 (1991-07-01), None
patent: 0 666 145 (1995-08-01), None

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