Belt drive mechanism, belt drive apparatus, and pulley
AssigneeKYOCERA Document Solutions Inc.
InventorsAkihiro YAMAGUCHI, Masahiro UENO
Life of this patent
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Abstract
A belt drive mechanism includes a plurality of pulleys and a belt made from a metal material and wound around the plurality of pulleys. Around the entire circumference of an outer peripheral surface of at least one of the plurality of pulleys, a swelling portion is formed to swell outward in a radial direction of the pulley. The swelling portion includes a first part having a larger swelling amount and a second part having a smaller swelling amount, the first part having a larger linear expansion coefficient than the second part.
Claims12
A belt drive mechanism, comprising:
- a plurality of pulleys;
- and
- a belt made from a metal material and wound around the plurality of pulleys,
- wherein at least one of the plurality of pulleys has an outer peripheral surface around the entire circumference of which a swelling portion is formed to swell outward in a radial direction of the pulley, and
- the swelling portion includes a first part having a larger swelling amount and a second part having a smaller swelling amount, the first part having a larger linear expansion coefficient than the second part.
A pulley having an outer peripheral surface around which a belt is wound, comprising:
- a swelling portion formed on the outer peripheral surface to swell outward in a radial direction of the pulley,
- wherein the swelling portion includes a part having a larger swelling amount and a part having a smaller swelling amount, the part having a larger swelling amount having a larger linear expansion coefficient than the part having a smaller swelling amount.
Dependencies are inferred from the claim text.