Gas bearing pad
AssigneeNsk Ltd.
InventorToshinori Sato
Life of this patent
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Abstract
The gas bearing pad includes a main body portion including a recess portion, a porous body fitted into the recess portion of the main body portion, and a bolt inserted into a bolt insertion hole provided in the porous body and fixing the porous body to the main body portion. A gas bearing is formed between the porous body and the base by blowing compressed gas from the main body portion through the porous body toward the base. A counterbore hole that accommodates a head portion of the bolt is provided in the bolt insertion hole. In the counterbore hole, a space is provided between a top surface that faces the guide surface in the head portion of the bolt and a bearing surface that faces the guide surface of the porous body.
Claims2
A gas bearing pad comprising:
- a main body portion disposed on a base including a guide surface and including a recess portion on a facing surface that faces the guide surface;
- a porous body fitted into the recess portion of the main body portion;
- and
- a bolt inserted into a bolt insertion hole provided in the porous body to fix the porous body to the main body portion, wherein
- a gas bearing is formed between the porous body and the base by blowing compressed gas from the main body portion through the porous body toward the base,
- a counterbore hole that accommodates a head portion of the bolt is provided in the bolt insertion hole, and
- in the counterbore hole, a space is provided between a top surface of the head portion of the bolt that faces the guide surface and a bearing surface of the porous body that faces the guide surface.
Dependencies are inferred from the claim text.