Patent US3140684A successfully refreshed from Google Patents.
US3140684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed-slope control for welding apparatus
Assignee: Aronson Machine Co Inc
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Filing: 1963-02-25
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Granted: 1964-07-14
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Charles N Aronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:50
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04; B23K9/044; B23K9/046; B23K9/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
WELDING APPARATUS COMPRISING A ROTATABLE WORK HOLDER, VARIABLE SPEED DRIVE MEANS FOR ROTATING THE SAME, AND AUTOMATIC MEANS FOR VARYING THE SPEED OF SAID DRIVE MEANS TO VARY THE THICKNESS OF WELD METAL DEPOSITED CIRCUMFERENTIALLY ON A WORK PIECE ROTATING COAXIALLY WITH SAID HOLDER, SAID AUTOMATIC MEANS COMPRISING A CONTROLLER MOVABLE TO VARY THE SPEED OF SAID DRIVE MEANS, REVERSIBLE POWER MEANS FOR MOVING SAID CONTROLLER IN OPPOSITE DIRECTIONS, FIRST MEANS OPERATIVE UPON INITIAL MOVEMENT OF SAID WORK HOLDER FOR ACTUATING SAID POWER MEANS TO MOVE SAID CONTROLLER IN A DIRECTION TO DECREASE THE SPEED OF SAID DRIVE MEANS, SECOND MEANS OPERABLE UPON PREDETERMINED MOVEMENT OF SAID CONTROLLER TO STOP SAID POWER MEANS WHEREBY SAID DRIVE MEANS CONTINUES OPERATION AT A CONSTANT SPEED, SAID FIRST MEANS BEING OPERATIVE UPON 360* OF WORK HOLDER ROTATION TO ACTUATE SAID POWER MEANS IN A REVERSE DIRECTION TO MOVE SAID CONTROLLER IN A SPEED-INCREASING DIRECTION, AND MEANS OPERATIVE WHEN SAID CONTROLLER REACHES INITIAL POSITION FOR AGAIN STOPPING SAID POWER MEANS.
Claim 2
Dependent Claim
166 words
WELDING APPARATUS COMPRISING A ROTATABLE WORK HOLDER, VARIABLE SPEED DRIVE MEANS FOR ROTATING THE SAME, AND AUTOMATIC MEANS FOR VARYING THE SPEED OF SAID DRIVE MEANS TO VARY THE THICKNESS OF WELD METAL DEPOSITED CIRCUMFERENTIALLY ON A WORK PIECE ROTATING COAXIALLY WITH SAID HOLDER, SAID AUTOMATIC MEANS COMPRISING A CONTROLLER MOVABLE TO VARY THE SPEED OF SAID DRIVE MEANS, REVERSIBLE POWER MEANS FOR MOVING SAID CONTROLLER IN OPPOSITE DIRECTIONS, FIRST MEANS OPERATIVE UPON INITIAL MOVEMENT OF SAID WORK HOLDER FOR ACTUATING SAID POWER MEANS TO MOVE SAID CONTROLLER IN A DIRECTION TO DECREASE THE SPEED OF SAID DRIVE MEANS, SECOND MEANS OPERABLE UPON PREDETERMINED MOVEMENT OF SAID CONTROLLER TO STOP SAID POWER MEANS WHEREBY SAID DRIVE MEANS CONTINUES OPERATION AT A CONSTANT SPEED, SAID FIRST MEANS BEING OPERATIVE UPON 360* OF WORK HOLDER ROTATION TO ACTUATE SAID POWER MEANS IN A REVERSE DIRECTION TO MOVE SAID CONTROLLER IN A SPEED-INCREASING DIRECTION, AND MEANS OPERATIVE WHEN SAID CONTROLLER REACHES INITIAL POSITION FOR AGAIN STOPPING SAID POWER MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |