US3579172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solderless connector assembly
Assignee: Individual
•
Filing: 1969-06-23
•
Granted: 1971-05-18
•
Expires: 1989-06-23
Abstract
Abstract A solderless connector having a main body of insulation formed with at least one pair of wells in side-by-side relation including a threaded well for a deeply threaded conductive member and a nonthreaded well snugly receiving a sheathed conductor with one side of the conductor positioned to intersect and traverse the thread crests of the threaded conductor. The threaded conductor may be shorter than the threaded well or it may have a protruding outer end usable as a terminal lug or as the male end of a service cord plug.
Inventors
- 👤 Marvin A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:26
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2475; H01R4/2487
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
172 words
A solderless connector for insulation-covered conductors, said connector comprising a main body of tough insulation having a first well opening through one side thereof and formed with a helical thread, a second well closely beside said first well sized to snugly receive the insulation-sheathed end of a single conductor and having its axis extending lengthwise of said first well and so located relative to the threads thereof that said threads overlap with and are intersected by the adjacent side of the metallic body of the single conductor when located in said second well, and a metallic conductor formed with a sharp-edged helical thread mating with the threads of said first well, and said metallic conductor threaded into said first well with said thread extending a sufficient distance into said second well to cut through said insulation sheath and bite into the metallic body of said single conductor when positioned in said second well to make a plurality of contacts therewith and to anchor the same immovably in place in said second well.
Claim 2
Dependent Claim
172 words
A solderless connector for insulation-covered conductors, said connector comprising a main body of tough insulation having a first well opening through one side thereof and formed with a helical thread, a second well closely beside said first well sized to snugly receive the insulation-sheathed end of a single conductor and having its axis extending lengthwise of said first well and so located relative to the threads thereof that said threads overlap with and are intersected by the adjacent side of the metallic body of the single conductor when located in said second well, and a metallic conductor formed with a sharp-edged helical thread mating with the threads of said first well, and said metallic conductor threaded into said first well with said thread extending a sufficient distance into said second well to cut through said insulation sheath and bite into the metallic body of said single conductor when positioned in said second well to make a plurality of contacts therewith and to anchor the same immovably in place in said second well.
Claim 3
Dependent Claim
38 words
A solderless connector as defined in claim 1 characterized in that said threaded conductor includes a lug projecting axially beyond one end of the thread thereon and outwardly beyond the adjacent side of said main body of insulation.
Claim 4
Dependent Claim
35 words
A solderless connector as defined in claim 2 characterized in that said projecting lug is noncircular in cross section and adapted to seat a tool while being screwed into assembled position in said first well.
Claim 5
Dependent Claim
41 words
A solderless connector as defined in claim 2 characterized in that said main body of insulation material includes a plurality of said first and second wells each provided with a threaded metallic connector spaced laterally of and parallel to one another.
Claim 6
Dependent Claim
33 words
A solderless connector as defined in claim 4 characterized in that said outwardly projecting lugs of said threaded conductors are adapted for use as the male portion of a service cord connector plug.
Claim 7
Dependent Claim
28 words
A solderless connector as defined in claim 5 characterized in that said second wells are located adjacent one another in the near sides of the respective first wells.
Claim 8
Dependent Claim
25 words
A solderless connector as defined in claim 6 characterized in that said second wells converge toward and merge with one another at their outer ends.
Claim 9
Dependent Claim
48 words
A solderless connector as defined in claim 2 characterized in that the threaded end of said metallic conductor has a generally cylindrical nontapering main body and is adapted to be screwed during assembly to said main body until it bottoms on the inner end of said first well.
Claim 10
Dependent Claim
55 words
A solderless connector as defined in claim 1 characterized in that said connector screw has a helical thread of V-shape in cross section one side of which is normal to the screw axis and the other side of which is inclined acutely to said one side and merging therewith in a sharp helical cutting edge.
Claim 11
Dependent Claim
40 words
A solderless connector as defined in claim 1 characterized in the provision of a plurality of said second wells disposed about said first well with the axes thereof converging similarly inwardly slightly toward the inner end of said first well.
Claim 12
Dependent Claim
50 words
A solderless connector as defined in claim 10 characterized in that said connector screw has a length less than the depth of said threaded well whereby the outer end thereof is adapted to be located inwardly of the outer end of said threaded well in the fully assembled position thereof.
Claim 13
Dependent Claim
20 words
A solderless connector as defined in claim 10 characterized in that said connector screw has a substantially nontapering cylindrical body.
Claim 14
Dependent Claim
71 words
A solderless connector as defined in claim 10 characterized in that said screw is of uniform diameter throughout substantially the length thereof whereby the same is adapted to be screwed into said first well until the advance end thereof bottoms on the inner end of the well thereby providing assurance that the thread thereof is properly seated in and anchored to the respective conductors present in said conductor receiving second wells.
Claim 15
Dependent Claim
29 words
A solderless connector as defined in claim 10 characterized in that said conductor receiving second wells are disposed in pairs on the opposite sides of said threaded first well.
Claim 16
Dependent Claim
26 words
A solderless connector as defined in claim 1 characterized in that the thread in the sidewall of said threaded well is generally rectangular in cross section.
References Cited (Backward Citations)
US1040568A
Cited
FR851431A
Cited
US2380724A
Cited
US3048907A
Cited
US3249908A
Cited
US3487354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |