US3696482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire wrapping tool
Assignee: Nortel Networks Ltd
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Filing: 1971-05-06
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Granted: 1972-10-10
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Expires: 1991-05-06
Abstract
Abstract Wire wrapping tool for wrapping wires on terminal posts, and similar uses, the tool having a bit rotatable in a sleeve. The bit has a groove extending longitudinally from its front end and the sleeve has an aperture cooperating with the inner end of the groove. The wire to be wrapped is fed along the groove until the wire end comes out through the aperture. Two opposed cutting edges are formed in the groove near the outer end of the groove to cut through the insulation of the wire. As the bit is rotated to wrap the wire the wire end is sheared by interaction of the groove and aperture, and insulation is peeled off the wire as it is pulled along the groove between the cutting edges.
Inventors
- 👤 Thomas George Tumilty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:49
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/033; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5187
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
366 words
A tool for wrapping wire onto a member, such as a terminal post, comprising: a sleeve and a bit in the sleeve and rotatable relative to said sleeve and said member; the bit comprising; a forward end and a rearward end; an axial bore in said forward end to receive said member; a transverse groove extending adjacent said forward end; a longitudinal groove extending axially on the periphery of the bit from said forward end and extending across said transverse groove, the longitudinal groove of a width rearward of the transverse groove sufficient to accept the wire with insulation in place, and the width of the longitudinal groove from said transverse groove toward said forward end sufficient to accept the wire without the insulation; the corners at the intersection of the transverse and longitudinal grooves nearest to said forward end adapted to form cutting edges to strip insulation from the wire passing along said longitudinal groove; the sleeve comprising; a forward end and a rearward end; an aperture extending through the sleeve a distance from said forward end approximately equal to the length of wire to be wrapped; at least one longitudinal slot extending through the sleeve and axially thereof from said forward end and spaced circumferentially from said aperture, the length of the slot sufficient to accept the wire and retain it while wrapping; the arrangement such that when the bit is positioned within the sleeve a wire can be inserted along the longitudinal groove of the bit rearward of the transverse groove, the end of the wire extending through the aperture in said sleeve, the cutting edges on said bit cutting the insulation of the wire on pulling of the wire down in the forward part of the longitudinal groove, the whole so constructed and arranged that, on rotation of the bit relative to the sleeve, and member, the end of the wire extending through the aperture in the sleeve is sheared, and the wire is wound round the member by the action of said longitudinal slot in said sleeve, the cutting edges on said bit stripping the insulation from the wire as the wire is drawn along the longitudinal groove in said bit.
Claim 2
Dependent Claim
366 words
A tool for wrapping wire onto a member, such as a terminal post, comprising: a sleeve and a bit in the sleeve and rotatable relative to said sleeve and said member; the bit comprising; a forward end and a rearward end; an axial bore in said forward end to receive said member; a transverse groove extending adjacent said forward end; a longitudinal groove extending axially on the periphery of the bit from said forward end and extending across said transverse groove, the longitudinal groove of a width rearward of the transverse groove sufficient to accept the wire with insulation in place, and the width of the longitudinal groove from said transverse groove toward said forward end sufficient to accept the wire without the insulation; the corners at the intersection of the transverse and longitudinal grooves nearest to said forward end adapted to form cutting edges to strip insulation from the wire passing along said longitudinal groove; the sleeve comprising; a forward end and a rearward end; an aperture extending through the sleeve a distance from said forward end approximately equal to the length of wire to be wrapped; at least one longitudinal slot extending through the sleeve and axially thereof from said forward end and spaced circumferentially from said aperture, the length of the slot sufficient to accept the wire and retain it while wrapping; the arrangement such that when the bit is positioned within the sleeve a wire can be inserted along the longitudinal groove of the bit rearward of the transverse groove, the end of the wire extending through the aperture in said sleeve, the cutting edges on said bit cutting the insulation of the wire on pulling of the wire down in the forward part of the longitudinal groove, the whole so constructed and arranged that, on rotation of the bit relative to the sleeve, and member, the end of the wire extending through the aperture in the sleeve is sheared, and the wire is wound round the member by the action of said longitudinal slot in said sleeve, the cutting edges on said bit stripping the insulation from the wire as the wire is drawn along the longitudinal groove in said bit.
Claim 3
Dependent Claim
20 words
A tool as claimed in claim 1, said aperture in the sleeve comprising a slot extending axially of the sleeve.
Claim 4
Dependent Claim
22 words
A tool as claimed in claim 1, said bit including a formation on the rearward end for engagement by an actuating tool.
Claim 5
Dependent Claim
47 words
A tool as claimed in claim 1, the rearward end of the bit enlarged in diameter, and an abutment surface on the enlarged portion, the abutment surface facing towards the forward end of the bit and adapted to be engaged by the rearward end of the sleeve.
Claim 6
Dependent Claim
21 words
A tool as claimed in claim 1, wherein the forward end of the sleeve is enlarged, in alignment with said aperture.
Claim 7
Dependent Claim
26 words
A tool as claimed in claim 1, including a further longitudinal slot in said sleeve, extending axially at said forward end in alignment with said aperture.
Claim 8
Dependent Claim
38 words
A tool as claimed in claim 1, wherein the forward portion of the longitudinal groove increases in width from the corners at the intersection of longitudinal and transverse grooves, to form a radiused exit from the longitudinal groove.
Claim 9
Dependent Claim
66 words
A tool as claimed in claim 1, including a further transverse groove in the bit and a transverse slot in the sleeve, the groove and slot extending at an angle to a plane normal to the longitudinal axis of the tool, the groove and slot cooperating whereby a wire can be positioned in the slot and groove, relative rotation of bit and sleeve shearing the wire.
Claim 10
Dependent Claim
26 words
A tool as claimed in claim 8, said further transverse groove formed rearward of the longitudinal groove, and the transverse slot formed rearward of said aperture.
References Cited (Backward Citations)
US3023484A
Cited
US3457616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |