Patent ID: 11873592
Assignee: CARD-MONROE CORP.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 0:
1. A tufting machine, comprising:
at least one needle bar having a series of needles mounted therealong and carrying yarns therewith, wherein the needles are reciprocated into and out of a backing material for forming tufts of yarns in the backing material;
a rack and pinion shift control assembly coupled to the at least one needle bar for controlling shifting of the needles transversely across the backing material, the rack and pinion shift control assembly comprising a rack, and at least one rotatable pinion configured to engage with the rack for driving the rack;
wherein the at least one pinion comprises a pair of pinions arranged to engage with the rack at multiple points of contact and
a pair of motors engaging the pinions for driving rotation of the pinions;
wherein, as the pinions are rotated in one or more directions, the rack is moved linearly for shifting the needles across the backing material.