Leather belt

Definition and stakes

Hubert E. Collins,  Shafting, Pulleys, Belting and Rope Transmission

“ For instance, find the center of any piece of leather on one side of the belt, and then look on the opposite side and see if the joint is right under your center mark. It should be by all means, for right here lies the most important thing about the construction of leather belts. A belt whose laps are all the same length, and which has all its joints broken correctly, will put the same load on the glue throughout, and that is what must be done in order to get the best results. See Fig. 80. Here we have a belt that is 36 inches in width and a double ply. ”
Source: Gutenberg

Portrait of Joshua Rose Joshua Rose,  Modern Machine-Shop Practice, Volumes I and II

“ Furthermore, belt connections are lighter and cheaper than gear-wheel or other rigid and positive connections, and hence the wide application of leather belts for the transmission of power, notwithstanding the slight variations of pulley velocity ratio due to the unequal elasticity of the various parts of the leather composing the belt. ”
Source: Gutenberg

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