Lubricant leakage control mechanism and gear mechanism
AssigneeNabtesco Corporation
InventorsTetsuya Kito, Masato Uchihara, Taisuke Ishida
Life of this patent
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Abstract
A lubricant leakage control mechanism of an embodiment includes: an output block body disposed on at least one of two opposing surfaces of an annular gear in the thickness direction adjacent to external teeth of the annular gear in the thickness direction, the block body having an outer circumferential surface around the entire circumference of the gear; a cover provided over the entire circumference so as to face the external teeth in a radial direction, the cover covering the external teeth; and a felt sheet sealing between the output block body and the cover.
Claims12
A lubricant leakage control mechanism comprising:
- a block body disposed adjacent to teeth of a gear in a thickness direction of the gear and, the block body having a circumferential surface around its entire circumference;
- a cover provided around an entire circumference of the gear so as to face the teeth in a radial direction of the gear, the cover covering the teeth;
- and
- a sealing member for preventing leakage of lubricant from between the block body and the cover,
- wherein the block body is disposed on at least one of two opposing surfaces of the gear in the thickness direction,
- wherein the sealing member includes a porous material that is compressible and deformable,
- wherein the block body has a block body overhang projecting from the circumferential surface toward the cover, and
- wherein the sealing member is disposed between the block body overhang and the cover.
A lubricant leakage control mechanism comprising:
- a block body disposed adjacent to teeth of a gear in a thickness direction of the gear and, the block body having a circumferential surface around its entire circumference;
- a cover provided around an entire circumference of the gear so as to face the teeth in a radial direction of the gear, the cover covering the teeth;
- and
- a sealing member for preventing leakage of lubricant from between the block body and the cover,
- wherein the block body is disposed on at least one of two opposing surfaces of the gear in the thickness direction,
- wherein the sealing member includes a porous material that is compressible and deformable,
- wherein the cover includes:
- a cover overhang projecting from the cover toward the teeth;
- and
- an auxiliary cover provided at a position more distant from the gear in the thickness direction than the cover overhang, and
- wherein the sealing member is held in the thickness direction by the cover overhang and the auxiliary cover.
Dependencies are inferred from the claim text.