US3258135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transporting and handling large tubular structural sections
Assignee: Individual
•
Filing: 1964-06-30
•
Granted: 1966-06-28
•
Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Henry W Bigge
- 👤 Jack S Webber
- 👤 William A Whitmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:48
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/40; B60P3/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
234 words
AN APPARATUS FOR LIFTING, TRANSPORTING AND POSITIONING A LARGE HEAVY TUBULAR SECTION, SAID APPARATUS COMPRISING: AN ELONGATED BODY HAVING A LENGTH GREATER THAN THE TUBULAR SECTION; A FIRST MULTIPLE WHEEL DOLLY CONNECTED TO SAID BODY NEAR ITS REAR END; MEANS ATTACHED TO SAID FIRST DOLLY FOR MOVING SAID BODY UP AND DOWN WITHIN PREDETERMINED LIMITS AND FOR MAINTAINING SAID BODY AT ANY DESIRED INTERMEDIATE POSITION; A SECOND MULTIPLE WHEEL DOLLY CONNECTED TO SAID BODY AND SPACED APART FROM SAID FIRST SUPPORT MEANS; MEANS ATTACHED TO SAID SECOND DOLLY FOR MOVING SAID BODY UP OR DOWN BETWEEN LIMITS AND FOR MAINTAINING IT AT ANY INTERMEDIATE PREDETERMINED POSITION, OR FOR RETRACTING OR EXTENDING SAID SECOND DOLLY TOWARDS OR AWAY FROM SAID BODY WHEN ITS WHEELS ARE NOT ON THE GROUND SUPPORTING THE BODY WEIGHT; AN AUXILIARY MULTIPLE WHEEL DOLLY CONNECTED TO THE FRONT END OF SAID BODY COMPRISING A TRANSVERSE FRAME, A PAIR OF WHEEL TRUCKS PIVOTALLY MOUNTED TO THE ENDS OF SAID TRANSVERSE FRAME FOR PARTIAL ROTATION ABOUT AXES PARALLEL TO THE LONGITUDINAL AXIS OF THE BODY, WHEREBY SAID WHEEL TRUCKS CAN BE POSITIONED TO ENGAGE EVENLY THE SLOPED INNER WALLS OF A TUBULAR SECTION; MEANS FOR RETRACTING AND EXTENDING SAID AUXILIARY DOLLY BETWEEN LIMITS; AND MEANS ON THE UPPER SIDE OF SAID BODY FOR ENGAGING THE INSIDE OF A TUBULAR SECTION BEING TRANSPORTED AFTER THE BODY HAS BEEN POSITIONED COMPLETELY THROUGH THE TUBULAR SECTION.
Claim 2
Independent Claim
234 words
AN APPARATUS FOR LIFTING, TRANSPORTING AND POSITIONING A LARGE HEAVY TUBULAR SECTION, SAID APPARATUS COMPRISING: AN ELONGATED BODY HAVING A LENGTH GREATER THAN THE TUBULAR SECTION; A FIRST MULTIPLE WHEEL DOLLY CONNECTED TO SAID BODY NEAR ITS REAR END; MEANS ATTACHED TO SAID FIRST DOLLY FOR MOVING SAID BODY UP AND DOWN WITHIN PREDETERMINED LIMITS AND FOR MAINTAINING SAID BODY AT ANY DESIRED INTERMEDIATE POSITION; A SECOND MULTIPLE WHEEL DOLLY CONNECTED TO SAID BODY AND SPACED APART FROM SAID FIRST SUPPORT MEANS; MEANS ATTACHED TO SAID SECOND DOLLY FOR MOVING SAID BODY UP OR DOWN BETWEEN LIMITS AND FOR MAINTAINING IT AT ANY INTERMEDIATE PREDETERMINED POSITION, OR FOR RETRACTING OR EXTENDING SAID SECOND DOLLY TOWARDS OR AWAY FROM SAID BODY WHEN ITS WHEELS ARE NOT ON THE GROUND SUPPORTING THE BODY WEIGHT; AN AUXILIARY MULTIPLE WHEEL DOLLY CONNECTED TO THE FRONT END OF SAID BODY COMPRISING A TRANSVERSE FRAME, A PAIR OF WHEEL TRUCKS PIVOTALLY MOUNTED TO THE ENDS OF SAID TRANSVERSE FRAME FOR PARTIAL ROTATION ABOUT AXES PARALLEL TO THE LONGITUDINAL AXIS OF THE BODY, WHEREBY SAID WHEEL TRUCKS CAN BE POSITIONED TO ENGAGE EVENLY THE SLOPED INNER WALLS OF A TUBULAR SECTION; MEANS FOR RETRACTING AND EXTENDING SAID AUXILIARY DOLLY BETWEEN LIMITS; AND MEANS ON THE UPPER SIDE OF SAID BODY FOR ENGAGING THE INSIDE OF A TUBULAR SECTION BEING TRANSPORTED AFTER THE BODY HAS BEEN POSITIONED COMPLETELY THROUGH THE TUBULAR SECTION.
References Cited (Backward Citations)
US2954136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |