Toothed belt
AssigneeMitsuboshi Belting Ltd.
InventorsTakahide Mizuno, Nobutaka Osako, Takeshi Murakami
Life of this patent
Estimating the term…
Abstract
A canvas cover for placement over an exposed surface of a power transmission belt having a length and width, which canvas cover consists of a yarn defining a weft for extension in the longitudinal direction with respect to a belt on which the canvas cover is to be placed, and a twisted yarn defining a warp for extension in the widthwise direction with respect to a belt on which the canvas cover is to be placed. The warp yarn is preferably made up of from 3-15 twisted mono-filaments each of 10-50 denier with a total denier of 210d.
Claims23
A canvas cover for placement over an exposed surface of a power transmission belt having a length and width, said canvas cover comprising:
- a yarn defining a weft for extension in the longitudinal direction with respect to a belt on which the canvas cover is to be placed;
- and
- a twisted yarn defining a warp for extension in the widthwise direction with respect to a belt on which the canvas cover is to be placed,
- said warp yarn made up of from 3-15 twisted mono-filaments each of 10 to 50 denier.
A toothed power transmission belt comprising:
- a plurality of drive teeth extending widthwise/laterally of the belt and being spaced at predetermined intervals longitudinally of the belt so as to define an exposed drive surface defined by said teeth and grooves between adjacent teeth;
- a backing rubber layer;
- a plurality of load carrying members embedded in the backing rubber layer and extending longitudinally of the belt;
- and
- a canvas cover on said drive surface,
- said canvas covering having a yarn defining a weft for extension in the longitudinal belt direction,
- said canvas covering having a yarn defining a warp for extending in the widthwise belt direction,
- said warp being made up of from 3-15 twisted filaments each of 10 to 50 denier.
Dependencies are inferred from the claim text.