US3239120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-automatic wire feeder having interchangeable gears
Assignee: Central Welding Research Laboratories Ltd
•
Filing: 1962-12-13
•
Granted: 1966-03-08
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Bosteels Henri Marie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:55
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A VARIABLE SPEED WIRE-FEEDING ARRANGEMENT COMPRISING A BASE PLATE, A POWER-ROTATED SHAFT MOUNTED UPON SAID BASE PLATE, AN AUXILIARY PLATE MOVABLY MOUNTED TO SLIDE UPON SAID BASE PLATE IN A PLANE PARALLEL TO IT, A PAIR OF WIRE-FEEDING ROLLS AND ASSOCIATED ENGAGED SPUR GEARING MOUNTED UPON SAID AUXILIARY PLATE, AND A REPLACEABLE PINION GEAR MOUNTED UPON SAID SHAFT IN ENGAGEMENT WITH ONE OF SAID SPUR GEARS WHEREBY VARIOUS SIZES OF PINION GEARS MAY BE MOUNTED UPON SAID SHAFT WHOSE ENGAGEMENT IS FACILITATED BY SAID MOVABLE MOUNTING FOR PROVIDING VARIOUS WIRE-FEEDING SPEEDS TO SAID WIRE-FEEDING ARRANGEMENT.
Claim 2
Dependent Claim
95 words
A VARIABLE SPEED WIRE-FEEDING ARRANGEMENT COMPRISING A BASE PLATE, A POWER-ROTATED SHAFT MOUNTED UPON SAID BASE PLATE, AN AUXILIARY PLATE MOVABLY MOUNTED TO SLIDE UPON SAID BASE PLATE IN A PLANE PARALLEL TO IT, A PAIR OF WIRE-FEEDING ROLLS AND ASSOCIATED ENGAGED SPUR GEARING MOUNTED UPON SAID AUXILIARY PLATE, AND A REPLACEABLE PINION GEAR MOUNTED UPON SAID SHAFT IN ENGAGEMENT WITH ONE OF SAID SPUR GEARS WHEREBY VARIOUS SIZES OF PINION GEARS MAY BE MOUNTED UPON SAID SHAFT WHOSE ENGAGEMENT IS FACILITATED BY SAID MOVABLE MOUNTING FOR PROVIDING VARIOUS WIRE-FEEDING SPEEDS TO SAID WIRE-FEEDING ARRANGEMENT.
References Cited (Backward Citations)
US2735309A
Cited
US1903953A
Cited
US2590806A
Cited
US2790925A
Cited
US2775903A
Cited
US2826927A
Cited
US2900489A
Cited
US2931890A
Cited
US2909646A
Cited
US2981453A
Cited
US2981825A
Cited
US3046438A
Cited
US3021420A
Cited
US3088642A
Cited
US3054886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |