Machine for automatically engraving the groove in tire treads

B - Operations – Transporting – 29 – D

Patent

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Details

164/21, 164/41

B29D 30/68 (2006.01)

Patent

CA 1266427

MACHINE FOR AUTOMATICALLY ENGRAVING THE GROOVE IN TIRE TREADS ABSTRACT OF THE DISCLOSURE A machine for automatically engraving the groove in tire treads provided with a first rotary tire-carrying shaft and with a second tool-holding shaft axially movable in a reciprocating manner parallelly to the first shaft, via appropriate motion transmitting means. According to the invention said motion transmitting means comprises an interchangeable gear cascade actuating a a cam; a cam follower driven by the cam and fastened to a rack; a gear wheel meshing with the rack and carrying a rocker along one of its diameters; and a connecting rod pivoted on the second shaft and on a slider which is engageable along the rocker in an adjustable manner.

503021

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