Bending meshing type gear device
AssigneeSumitomo Heavy Industries, Ltd.
InventorsMitsuhiro Tamura, Masahiro Watanabe
Life of this patent
Estimating the term…
Abstract
A bending meshing type gear device includes a wave generator, a bending gear that is bent and deformed by the wave generator, and a meshing gear that meshes with the bending gear, in which the meshing gear is formed of a first resin having a glass transition point lower than about 140° C., the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin, and the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material.
Claims14
A gear device comprising:
- a wave generator;
- a bending gear that is bent and deformed by the wave generator;
- a meshing gear that meshes with the bending gear, and
- a wave generator bearing that is disposed between the wave generator and the bending gear,
- wherein the wave generator is provided separately from rolling elements of the wave generator bearing,
- wherein the meshing gear is formed of a first resin having a glass transition point lower than about 140° C.,
- the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin, and
- the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material;
- and
- wherein the first high thermal conductivity material has a higher Young's modulus than the second high thermal conductivity material.
A gear device comprising:
- a wave generator;
- a bending gear that is bent and deformed by the wave generator;
- a meshing gear that meshes with the bending gear, and
- a wave generator bearing that is disposed between the wave generator and the bending gear,
- wherein the wave generator is provided separately from rolling elements of the wave generator bearing,
- wherein the meshing gear is formed of a first resin having a glass transition point lower than about 140° C.,
- the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin, and
- the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material,
- wherein the wave generator bearing is formed of a third high thermal conductivity material having higher thermal conductivity than the first resin, and
- the second high thermal conductivity material has higher thermal conductivity than the third high thermal conductivity material.
A gear device comprising:
- a wave generator;
- a bending gear that is bent and deformed by the wave generator;
- a meshing gear that meshes with the bending gear, and
- a wave generator bearing that is disposed between the wave generator and the bending gear,
- wherein the wave generator is provided separately from rolling elements of the wave generator bearing,
- wherein the meshing gear is formed of a first resin having a glass transition point lower than about 140° C.
- the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin, and
- the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material;
- the gear device further comprising:
- a connected member that is connected to the meshing gear,
- wherein the connected member is formed of a second resin having a lower glass transition point than the first resin.
A gear device comprising:
- a wave generator;
- a bending gear that is bent and deformed by the wave generator;
- a meshing gear that meshes with the bending gear, and
- a wave generator bearing that is disposed between the wave generator and the bending gear,
- wherein the wave generator is provided separately from rolling elements of the wave generator bearing,
- wherein the meshing gear is formed of a first resin having a glass transition point lower than about 140° C.
- the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin,
- the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material;
- and
- wherein the first resin has a glass transition point higher than or equal to 100° C.
A gear device comprising:
- a wave generator;
- a bending gear that is bent and deformed by the wave generator;
- a meshing gear that meshes with the bending gear, and
- a wave generator bearing that is disposed between the wave generator and the bending gear,
- wherein the wave generator is provided separately from rolling elements of the wave generator bearing,
- wherein the meshing gear is formed of a first resin having a glass transition point lower than about 140° C.,
- the bending gear is formed of a first high thermal conductivity material having higher thermal conductivity than the first resin,
- the wave generator is formed of a second high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material,
- further comprising:
- a regulating member that regulates a movement of the bending gear in an axial direction,
- wherein the regulating member is formed of a fourth high thermal conductivity material having higher thermal conductivity than the first high thermal conductivity material.
Dependencies are inferred from the claim text.