US3748733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation stripper for conductors
Assignee: Individual
•
Filing: 1971-10-18
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Granted: 1973-07-31
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Expires: 1991-10-18
Abstract
Abstract The invention is a modification of a tool device such as hand pliers and the like and which is provided with means for stripping insulation from electrical conductors etc.
Inventors
- 👤 W Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:57
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1204; H02G1/1207; H02G1/1209; H02G1/1214
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
153 words
A hand tool wire insulation stripping and holding device having first and second integrally formed complementary handlejaw members hinged by a stud pin, the members having distal jaw ends for clamping wires and the like, the jaw ends comprising a pair of complementary similar-shaped clamping parts, each part having a wire and insulation accomodating semicylindrical housing half which is adapted to be mated together with an opposite semicylindrical half to form a first tunnel means, each part having a substantially smaller diameter semicylindrical half to form with a complementary half in another clamping part a second tunnel means extending outward from the first tunnel means, a generally rectangular-walled circular cutter edge means formed at a junction of the first and second tunnel means, whereby when the jaw ends are closed about a wire and pulled along a wire the cutter means breaks and pulls insulation on the wire, whereby bare wire is exposed.
Claim 2
Dependent Claim
153 words
A hand tool wire insulation stripping and holding device having first and second integrally formed complementary handlejaw members hinged by a stud pin, the members having distal jaw ends for clamping wires and the like, the jaw ends comprising a pair of complementary similar-shaped clamping parts, each part having a wire and insulation accomodating semicylindrical housing half which is adapted to be mated together with an opposite semicylindrical half to form a first tunnel means, each part having a substantially smaller diameter semicylindrical half to form with a complementary half in another clamping part a second tunnel means extending outward from the first tunnel means, a generally rectangular-walled circular cutter edge means formed at a junction of the first and second tunnel means, whereby when the jaw ends are closed about a wire and pulled along a wire the cutter means breaks and pulls insulation on the wire, whereby bare wire is exposed.
Claim 3
Dependent Claim
27 words
The tool device recited in claim 1 wherein the second tunnel means at its forward end remote from the first tunnel means has a curved, flared opening.
Claim 4
Dependent Claim
25 words
The tool device recited in claim 1 wherein the housing halves when mated provide a fin-like extension at distal jaw ends of the tool device.
Claim 5
Dependent Claim
23 words
The tool device recited in claim 1 wherein the pair of clamping parts are at the end of a pair of hand pliers.
Claim 6
Dependent Claim
51 words
The tool device recited in claim 1 wherein the second tunnel means is flared and wherein the clamping parts about the tunnel means are ribbed to prevent slipping of a wire and thus to hold the wire firmly so that it can be readily wrapped about a stud and the like.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |