US3581608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting and stripping apparatus for insulated conductor wire
Assignee: Gardner Denver Inc
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Filing: 1969-11-05
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Granted: 1971-06-01
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Expires: 1989-11-05
Abstract
Abstract A cutting and insulation stripping apparatus for electrical conductor wire adapted to mount on a portable conductor wrapping tool. The apparatus includes a frame pivotally supporting a pair of wire cutting blades and a pair of insulation cutting and stripping blades. Both pair of blades are operable to be engaged by an elongated cam shaft to which is attached an operating lever whereby a conductor wire may be simultaneously severed and have its insulation cut at a predetermined distance from the severed end. The insulation cutting blades overlap each other in the closed position to assure a circumferential cut of insulation around the wire. The insulation cutting blades are also operable to strip the cut insulation from the wire as the severed end is withdrawn from the apparatus. The pair of wire cutting blades are movably mounted on the frame whereby various predetermined lengths of stripped wire may be cut.
Inventors
- 👤 William J Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:40
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1204; H02G1/1207; H02G1/1209; H02G1/1214; H01; H01R; H01R43/00; H01R43/033
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
175 words
Wire cutting and insulation stripping apparatus adapted to mount on a portable conductor wire wrapping tool, said apparatus comprising: a. an elongated frame including means for attaching said apparatus to said tool; b. a pair of insulation cutting blades pivotally supported on said frame and operable to be in an open wire receiving position and a closed insulation cutting position; c. a pair of wire cutting blades pivotally supported on said frame a predetermined distance from said insulation cutting blades and operable to be in an open wire receiving position and a closed wire cutting position movable with respect to the other pair of said blades to vary said predetermined distance; d. an elongated cam rotatably mounted on said frame and engageable with each blade of said pair of wire cutting blades and said insulation cutting blades for simultaneously pivoting each of said blades from said open wire receiving position to said closed wire and insulation cutting position; and e. lever means mounted on said cam for operation of said cam to close said blades.
Claim 2
Dependent Claim
175 words
Wire cutting and insulation stripping apparatus adapted to mount on a portable conductor wire wrapping tool, said apparatus comprising: a. an elongated frame including means for attaching said apparatus to said tool; b. a pair of insulation cutting blades pivotally supported on said frame and operable to be in an open wire receiving position and a closed insulation cutting position; c. a pair of wire cutting blades pivotally supported on said frame a predetermined distance from said insulation cutting blades and operable to be in an open wire receiving position and a closed wire cutting position movable with respect to the other pair of said blades to vary said predetermined distance; d. an elongated cam rotatably mounted on said frame and engageable with each blade of said pair of wire cutting blades and said insulation cutting blades for simultaneously pivoting each of said blades from said open wire receiving position to said closed wire and insulation cutting position; and e. lever means mounted on said cam for operation of said cam to close said blades.
Claim 3
Dependent Claim
44 words
The invention set forth in claim 1 together with: adjustable stop means mounted on said cam and includiNg projection means engageable with complementary projection means on said frame whereby the rotational movement of said cam to close said pairs of blades may be controlled.
Claim 4
Dependent Claim
39 words
The invention set forth in claim 1 wherein: said pair of wire cutting blades are movably supported on said frame and are operable to be adjusted with respect to said insulation cutting blades to vary the predetermined distance therebetween.
Claim 5
Dependent Claim
56 words
The invention set forth in claim 1 wherein: each of said insulation cutting blades of said pair includes an insulation cutting edge formed thereon, said blades are pivotally supported adjacent each other, and said blades are operable to be pivoted to a position by said cam whereby said cutting edges on said blades overlap each other.
Claim 6
Dependent Claim
41 words
The invention set forth in claim 4 wherein: said cutting edges on said insulation cutting blades are arcuate, and said cutting edges are operable in the overlapped position to make a circumferential cut through the insulation covering a cylindrical conductor wire.
Claim 7
Dependent Claim
37 words
The invention set forth in claim 4 wherein: each of said insulation cutting blades comprises a blade assembly including a blade insert and blade support means, and said blade insert is removably attached to said support means.
Claim 8
Dependent Claim
55 words
The invention set forth in claim 1 wherein: each of said wire cutting blades of said pair includes a cutting edge formed thereon, said blades are pivotally supported adjacent each other, and said blades are operable to be pivoted to a position by said cam whereby said cutting edges on said blades overlap each other.
Claim 9
Dependent Claim
40 words
The invention set forth in claim 1 wherein: said pair of insulation cutting blades and said pair of wire cutting blades include biasing means engaged therewith and operable to bias said pairs of blades in the open wire receiving position.
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |