WORKING MACHINE AND ITS COMMUNICATION METHOD - NT ENGINEERING KABUSHIKI KAISH

Title:

WORKING MACHINE AND ITS COMMUNICATION METHOD

Document Type and Number:

WIPO Patent Application WO/1998/035781

Kind Code:

A1

Abstract:

A working machine (10) has a machine tool (14), a tool holder (18) which can be attached/detached to/from the spindle (16) of the machine tool (14), a transmission/reception mechanism (20) provided to the tool holder and a controller (22) which communicates with the transmission/reception mechanism (20) by radio. An antenna wire (82) constituting the mechanism (20) is enclosed by an electromagnetic wave transmitting member (84) and a covering member (86) and attached with a space from the outer circumference of the tool holder (18). With this construction, the wireless communication between the tool holder (18) and the external controller (22) can be performed.

Inventors:

MASUDA YUKIO (JP)
KOMAI YASUHIRO (JP)

Application Number:

PCT/JP1998/000472

Publication Date:

August 20, 1998

Filing Date:

February 05, 1998

Export Citation:

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Assignee:

NT ENGINEERING KABUSHIKI KAISH (JP)
MASUDA YUKIO (JP)
KOMAI YASUHIRO (JP)

International Classes:

B23Q3/155; B23B29/034; B23Q3/12; B23Q11/00; B23Q17/00; G05B19/414; H01Q1/22; H01Q1/42; H04B1/38; (IPC1-7): B23Q17/00; H01Q1/22; H04B1/38; H04Q9/00

Foreign References:

JPH0311549U	1991-02-05
JPH0518138U	1993-03-05
JPH0241851A	1990-02-13
JPH07154288A	1995-06-16
JPH03296329A	1991-12-27

Other References: