Tool changing – With safety means – Guard
Reexamination Certificate
2007-06-12
2007-06-12
Cadugan, Erica (Department: 3722)
Tool changing
With safety means
Guard
Reexamination Certificate
active
11540744
ABSTRACT:
A cover structure of a machine tool with a simple structure which improves work efficiency by minimizing an opening portion. An opening portion is defined in a reverse concave shape at one lateral side of a cover. The opening portion includes two tool passing portions and a turning permission portion connecting the tool passing portions. A tool T which is held by an exchange arm passes through each tool passing portion. On the other hand, a rotation base portion of the exchange arm passes through the turning permission portion. While each tool passing portion is closed by a door, the turning permission portion is closed by a closing cover including a turning cover and a slide cover.
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Burr & Brown
Cadugan Erica
Okuma Corporation
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