| 摘要 |
<p>1,096,311. Wrapping electric terminals. H. M. POSTMASTER GENERAL. Jan. 12, 1965, No. 1697/64. Heading B3E. A device for making electrical connections by means of wrapped joints comprises a driving shaft 1, a wire wrapping and insulation stripping head 25 operatively connected with the shaft 1 and having a longitudinal hole 29, for receiving a component to be wrapped or both of two components to be secured together by means of a wrapped joint, and a wire feed aperture 30 adjacent the hole 29, a grip 10 for holding the tool, the grip being mounted on the shaft 1 for rotation relatively thereto about the axis of the shaft, and a wire shearing mechanism comprising one component 5 fixed to the shaft 1 and a second component 14, 16 fixed to the grip 10, the mechanism being operable by the relative rotation of shaft and grip. In operation, wire is passed through the hole 30, through guide slot 24, and through a groove 18 in the component 5 and is passed into an insulation stripping slot 31, which may be tangential. The shaft 1 is then turned by a handle 2 or by power means so that the end of the wire is cut off by engagement with a non- bevelled edge part 16 of a bevelled edge 15 of the component 14, insulation is stripped by the slot 31 and the wire is wrapped around a tag accommodated in the hole 29 of the wrapping head. The height on the tag at which wrapping takes place is determined by the extent to which the tag projects into the hole 29 which is in turn determined by the axial position of a stem 6 on the shaft 1, relative to a sleeve 3 to which the shaft 1 is adjustably secured. A hollow stem 7 carrying the wrapping head 25 is adjustable rotatably in the sleeve 3 and also adjustable axially to vary the length of wire remaining after shearing.</p> |
