Title:
ELECTRIC DRIVER AND ELECTRIC DRIVER DEVICE
Document Type and Number:
WIPO Patent Application WO/2008/029513
Kind Code:
A1
Abstract:
An electric driver (10) includes a bit holder (14), a motor (46) for rotating/driving
the bit holder (14), electric double-layer capacitors (50A, 50B) for supplying
power to the motor (46), driver connection terminals (56, 60) for connecting
the electric double-layer capacitors (50A, 50B) to an external power source,
a control unit (110) for controlling the electric double-layer capacitors (50A,
50B) and the motor (46), and a housing (12) for containing or supporting them.
The electric driver (10) is connected to unit connection terminals (98, 100)
connected a DC power source, a driver engagement unit (76) for making an engagement
with the electric driver (10), unit connection terminals (98, 100) to be connected
to driver connection terminals (56, 60) and a charge unit (70) containing or supporting
them.
Inventors:
NAKAZAWA HIROYUKI (JP)
Application Number:
PCT/JP2007/000960
Publication Date:
March 13, 2008
Filing Date:
September 05, 2007
Export Citation:
Assignee:
NITTO KOHKI CO (JP)
NAKAZAWA HIROYUKI (JP)
NAKAZAWA HIROYUKI (JP)
International Classes:
B25F5/00; B25B21/00; B25B23/14; H02J1/00; H02J7/34
Foreign References:
| JPH11266543A | 1999-09-28 | |||
| JP2004242402A | 2004-08-26 | |||
| JP2003346850A | 2003-12-05 | |||
| JP2003333871A | 2003-11-21 |
Attorney, Agent or Firm:
SASAKI, Seikoh (2-11-16 Kanda Surugadai, Chiyoda-ku, Tokyo 62, JP)
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