Belt drive system

Details Belt drive system Belt drive system

F - Mech Eng,Light,Heat,Weapons

16

H

74/238

F16H 7/02 (2006.01) F16G 1/28 (2006.01)

Patent

CA 1060235

IMPROVED BELT DRIVE AND BELTS AND PULLEYS THEREFOR ABSTRACT OF THE DISCLOSURE A belt drive and belt and pulleys therefor in which a toothed power transmission belt operates in conjunction with toothed pulleys. The dimensional relationship between the belt teeth and pulley teeth is such that in the longitudinal extent of the belt between the pulleys the height of the belt teeth is greater than the height of the pulley teeth or depth of the pulley grooves while as the belt travels around the pulleys the extreme outwardly facing portions or outer extremities of the belt teeth contact the bottom of the pulley grooves and at the same time the belt teeth are compressed to reduce their height so that the extreme radially outwardly facing portions or outer extremities of the pulley teeth come in contact with the bottoms of the belt grooves. The invention is particularly useful in a synchronous or positive drive system for increasing belt life by relieving stresses on the tensile member in the area between teeth of a positive drive power transmission belt.

265068

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