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 (9-4, Nakaikegami 2-chome, Ohta-k, Tokyo 55, 1468555, JP)
Application Number:
JP2007/000960
Publication Date:
March 13, 2008
Filing Date:
September 05, 2007
Export Citation:
Assignee:
NITTO KOHKI CO., LTD. (9-4 Nakaikegami 2-chome, Ohta-ku Tokyo, 55, 1468555, JP)
日東工器株式会社 (〒55 東京都大田区仲池上二丁目９番４号 Tokyo, 1468555, JP)
日東工器株式会社 (〒55 東京都大田区仲池上二丁目９番４号 Tokyo, 1468555, JP)
International Classes:
B25F5/00; B25B21/00; B25B23/14; H02J1/00; H02J7/34; B25F5/00; B25B21/00; B25B23/14; H02J1/00; H02J7/34
Attorney, Agent or Firm:
SASAKI, Seikoh (302 Surugadai Saikachizaka Building, 2-11-16 Kanda Surugadai, Chiyoda-ku, Tokyo 62, 1010062, JP)