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US 5,492,507 AGranted
V-ribbed belt and grinding wheel for forming the belt
AssigneeMitsuboshi Belting Ltd.
InventorToshimi Kumazaki
Life of this patent
Estimating the term…
Abstract
A power transmission belt having an endless body with a length and defining an elongate rib. The body has an inside, an outside, and laterally spaced sides. The rib has an exposed surface to engage with a cooperating pulley. At least a first portion of the exposed rib surface is formed by at least one of grinding and cutting. There is a second portion of the exposed surface that is neither cut nor ground during formation of the power transmission belt.
Claims29
A power transmission belt comprising:
- an endless body having a length and defining an elongate rib,
- said body having an inside, an outside, and laterally spaced sides,
- said rib having an exposed surface to engage with a cooperating pulley,
- at least a first portion of the exposed rib surface being formed by at least one of grinding and cutting,
- there being a second portion of the exposed rib surface that is neither cut nor ground during formation of the power transmission belt.
2 more elements
A power transmission belt comprising:
- an endless body having a length and defining an elongate rib,
- said body having an inside, an outside, and laterally spaced sides,
- said rib having an exposed surface to engage with a cooperating pulley and a free end portion having a first surface portion facing in one of an inside and outside direction,
- there being a discrete projection on the first surface portion,
- said discrete projection having a height between the inside and outside of the belt that is not greater than 0.3 mm.
2 more elements
Dependencies are inferred from the claim text.