Pulley and manufacturing method of the same

F - Mech Eng,Light,Heat,Weapons – 16 – H

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F16H 55/49 (2006.01) B21H 1/04 (2006.01) B21K 1/42 (2006.01)

Patent

CA 2225772

A web section extends from a central portion in an axial direction of an inner cylindrical section, an outer cylindrical section is formed at an outer circumferential portion of hte web section, coaxially with respect to the inner cylindrical section about the web section, and V-shaped grooves are formed on an outer circumference of the outer cylindrical section, integrally by a cold working.

Section d'âme s'étendant à partir d'une partie centrale dans le sens axial d'une section cylindrique intérieure, une section cylindrique extérieure est formée sur une partie extérieure de la circonférence de la section de l'âme, de manière coaxiale par rapport à la section cylindrique intérieure le long de la section de l'âme, et des gorges en forme de V sont formées et intégées à la circonférence extérieure de la section cylindrique extérieure par déformation à froid.

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