Patent ID: 6016757
Filing Date: 2000-01-25
Classification: A46D

Abstract:
A tufting device for a brush tufting machine, comprising a guide block, a guide channel in said guide block, a tuft driver tongue driven with a reciprocating movement and movably received in said guide channel, a header having a through channel aligned with said guide channel, said header and guide block being driven with a relative reciprocating movement towards and away from each other, and a drive system with a rotating drive shaft, a cam on said drive shaft and a cam follower riding on said cam;said cam follower being driven by said cam with a reciprocating movement of a predetermined stroke length;said drive system further comprising a conversion mechanism for converting said reciprocating movement of a predetermined stroke length into a drive stroke of adjustably variable length;said relative reciprocating movement of said header and guide block and said reciprocating movement of said tuft driver tongue being both derived from said drive stroke imparting a stroke of variable length to both of said reciprocating movements;said tuft driver tongue and said header and guide block consistently assuming a predetermined initial position irrespective of the stroke length of said reciprocating movements for taking over a tuft of fiber.