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US 10,974,357 B2Granted
Spindle device
AssigneeFanuc Corporation
InventorMasahiro Murota
Life of this patent
Estimating the term…
Abstract
A chuck unit as a rotating member of a spindle device includes a base portion fixed to one end of the spindle shaft, an attaching portion detachably attached to a side of the base portion that is located on an opposite side of the base portion from the one end of the spindle shaft, and an accommodation space arranged on a communication passage so as to accommodate a filter.
Claims4
A spindle device, comprising:
- a spindle housing having a housing body;
- a spindle shaft having, formed therein, a suction passage configured to flow air suctioned from outside, the spindle shaft being configured to be rotatably supported by a bearing provided inside the spindle housing;
- and
- a rotating member having, formed therein, a communication passage configured to establish communication between the suction passage and the outside, the rotating member being provided at one end of the spindle shaft so as to be rotatable in linkage with rotation of the spindle shaft,
- wherein the rotating member includes:
- a base portion fixed to and protruding into the one end of the spindle shaft, a sealed gap formed between the base portion and a front surface of the housing body;
- an attaching portion detachably attached to a side of the base portion that is located on an opposite side of the base portion from the one end of the spindle shaft;
- and an accommodation space arranged on the communication passage so as to accommodate a filter.
5 more elements
Dependencies are inferred from the claim text.