US3234804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring operator motor charging means
Assignee: ABB Inc USA
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Filing: 1963-06-24
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Granted: 1966-02-15
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Caswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:40
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1511; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/18; Y10T74/18416; Y10T74/18456
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
350 words
MOTOR CHARGING MEANS FOR USE IN CHARGING A COMPRESSIBLE SPRING MEANS COMPRISING MOTOR MEANS HAVING AN OUTPUT SHAFT ROTATABLE IN A FIRST DIRECTION; CRANK MEANS MOUNTED FOR ROTATION WITH SAID OUTPUT SHAFT; A SECOND SHAFT; A RECIPROCATING ARM MOUNTED AT ONE END THEREOF TO OSCILLATE ABOUT SAID SECOND SHAFT AND SLIDABLY ENGAGEABLE WITH SAID CRANK MEANS AT A SECOND END THEREOF; A RATCHET WHEEL MOUNTED TO ROTATE WITH SAID SECOND SHAFT; A FIRST PAWL PIVOTALLY LINKED TO SAID RECIRPOCATING ARM; BIASING MEANS FOR URGING SAID FIRST PAWL INTO ENGAGEMENT WITH THE TEETH OF SAID RATCHET WHEEL; SAID PAWL BEING POSITIONED TO ROTATE SAID RATCHET WHEEL ONE TOOTH AT A TIME FOR EACH REVOLUTION OF SAID CRANK MEANS; A SECOND PAWL; SECOND BIASING MEANS FOR URGING SAID SECOND PAWL INTO ENGAGEMENT WITH THE TEETH OF SAID RATCHET WHEEL TO MAINTAIN THE POSITION OF SAID RATCHET WHEEL WHEN SAID FIRST PAWL DISENGAGES FROM SAID RATCHET WHEEL TO BEING THE NEXT ADVANCING OPERATION; ONE OF SAID TEETH OF SAID TEETH RATCHET WHEEL BEING REMOVED; A THIRD PAWL; THIRD BIASING MEANS FOR URGING SAID THIRD PAWL INTO ENGAGEMENT WITH THE TEETH OF SAID RATCHET WHEEL; SAID SECOND AND THIRD PAWLS COOPERTING TO MAINTAIN SAID RATCHET WHEEL IN THE LAST ADVANCED POSITION WHEN SAID FIRST PAWL DISENGAGES FROM SAID RATCHET WHEEL TO BEGIN THE NEXT ADVANCING OPERATION; SAID FIRST PAWL BEING PREVENTED FROM ADVANCING SAID RATCHET WHEEL WHEN THE REGION OF SAID MISSING TOOTH IS BENEATH SAID FIRST PAWL; A SECOND CRANK ARM KEYED TO ROTATE WITH SAID SECOND SHAFT; A CONNECTING LINK PIVOTALLY LINKED TO SAID SECOND CRANK ARM; SPRING OPERATOR MEANS COMPRISING COMPRESSIBLE SPRING MEANS; SAID CONNECTING LINK BEING COUPLED TO SAID SPRING OPERATOR MEANS TO CHARGE SAID COMPRESSIBLE SPRING UPON ROTATION OF SAID SECOND SHAFT; SAID SPRING OPERATOR MEANS HAVING A DRIVE MEMBER MOUNTED TO ROTATE IN BOTH A FIRST AND SECOND DIRECTION; SAID CONNECTING LINK BEING CONNECTED TO SAID DRIVE MEMBER; AND OPPOSITELY DISPOSED CAM MEANS ALTERNATELY MOVING SAID CONNECTING LINK FOR CONTROLLING THE DIRECTION OF ROTATION OF SAID DRIVE MEMBER IN ACCORDANCE WITH THE POSITION OF SAID COMPRESSIBLE SPRING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |