Apparatus and method for the weaving or interweaving of elongate members to form braids or plaits
The present invention provides apparatus and a method for use in weaving elongate members together and most typically elongate members in the form of hair attached to the head of a person or a toy doll. The elongate members are provided in groups and the groups pass through passages in a weaving mechanism and along guide tubes which are located to the opposing side of the weaving mechanism from the item to which at least some of the elongate members are attached. Typically, relative movement of the weaving mechanism along the elongate members and the operation of the weaving mechanism cause the weave, such as in the form of plaiting, braiding or cornrowing to be formed.
1. Apparatus for the weaving together of a plurality of elongate members, said apparatus comprising;
a weaving mechanism configured to move and weave respective elongate members together, said weaving mechanism comprising;
a) three shuttles, each having a passage to allow the elongate members to pass through the weaving mechanism and into guide tubes and to allow relative movement between the weaving mechanism and the elongate members as the weaving mechanism is operated weaves together the elongate members;
b) first and second rotatable guides in the weaving mechanism selectively driven about respective axes, the shuttles selectively moved via the first and second rotatable guides and selectively driven to move on a predefined path in combination and in sequence in a predefined manner to weave the elongate members;
said guide tubes in which the respective elongate members are received, are located to a first side of the weaving mechanism and an item to which at least some of the elongate members are attached located to the opposing side of the said weaving mechanism;
said apparatus further includes means to drive the weaving mechanism, said means connected to a crank and connecting arm which, in turn, is located to drive a gear wheel of a gearing mechanism to provide a sinusoidal motion to the weaving mechanism;
the gearing mechanism includes first and second clutches which are connected to the crank so as to sequentially drive the first and second rotatable guides, the first clutch located with a first pair of gear wheels coaxially mounted so that the first rotatable guide is driven to rotate and move two of the said shuttles and the second clutch located with a second pair of gear wheels coaxially mounted so that the second rotatable guide is driven to rotate and move two of said shuttles and the said sequence of movement of the respective rotatable guides is repeated, wherein the said connecting arm has an arc of movement with null points of movement at opposing ends of said arc; and in movement from a null point towards the other null point the speed of movement accelerates and then decelerates; and
a cam which, when in a first position restrains motion of a first rotatable guide while the second rotatable guide is driven to be rotated and, when in a second position, restrains motion of the second rotatable guide while the first rotatable guide is driven to be rotated, and the movement of the cam between said first and second positions is caused by movement of the said gear wheel of said gearing mechanism.
2. Apparatus according to claim 1 wherein said means to drive is a motor connected to the crank.