CAPSTAN REST - CITIZEN WATCH CO LTD

Title:

CAPSTAN REST

Document Type and Number:

WIPO Patent Application WO/2000/010758

Kind Code:

A1

Abstract:

A capstan rest (10) provided with a slide rest (20), a tool rest body (22) provided movably on the slide rest, a turret (26) supported rotatably on the tool rest body and capable of setting a desired tool (24) individually in a predetermined dividing angular position, a servo motor (30) for rotating the turret, a clutch (32) for coupling the turret operatively and disconnectably to the servo motor, a locking unit (36) adapted to engage the turret detachably with the tool rest body, an output transmission unit (38) adapted to operate the locking unit (36) by transmitting an output from a motor to the locking unit, and a driving mechanism (34) adapted to operate the clutch and provided with an interlocking unit (72) moved in accordance with a movement of the tool rest body on the slide rest. The clutch is put in a coupled state by the driving mechanism when the locking unit is in a disengaged state to cause the turret to be rotated dividingly by the servo motor and the locking unit is put in an engaged state by the servo motor, when the clutch is in a decoupled state, to cause the turret to be fixed in a dividing position on the tool rest body.

Inventors:

TAKEUCHI YOJI (JP)
EMURA TAMOTSU (JP)

Application Number:

PCT/JP1998/003716

Publication Date:

March 02, 2000

Filing Date:

August 21, 1998

Export Citation:

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Assignee:

CITIZEN WATCH CO LTD (JP)
TAKEUCHI YOJI (JP)
EMURA TAMOTSU (JP)

International Classes:

B23Q16/02; B23Q16/10; B23Q39/02; (IPC1-7): B23B29/32

Foreign References:

JPH0729259B2	1995-04-05
JPH048161B2	1992-02-14
JPH05138410A	1993-06-01
JPH05345206A	1993-12-27
JPS6478701A	1989-03-24
JPS5959304A	1984-04-05

Other References: