Patent US3276788A successfully refreshed from Google Patents.
US3276788A
Expired / Lapsed
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Castering mechanism
Assignee: Consolidated Diesel Electric Corp
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Filing: 1964-07-13
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Granted: 1966-10-04
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Albert A Sackler
- 👤 Raymond J Enyeart
- 👤 Samuel G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:27
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A VEHICLE OF THE CLASS DESCRIBED, CASTERING MECHANISM COMPRISING AN UPPER CASTER PLATE, MEANS FOR MOUNTING SAID UPPER PLATE FOR LATERAL MOVEMENT WITH RESPECT TO THE VEHICLE, A LOWER CASTER PLATE, A VERTICAL SHAFT SECURED TO SAID LOWER PLATE AND JOURNALLED IN SAID UPPER PLATE FOR MOUNTING SAID PLATES FOR ROTARY MOVEMENT WITH RESPECT TO EACH OTHER, A CASTER WHEEL HAVING A HORIZONTAL AXLE, MEANS ON SAID LOWER PLATE FOR SUPPORTING SAID HORIZONTAL AXLE IN A FIXED OFFSET PORTION WITH RESPECT TO SAID VERTICAL SHAFT, A LEVER SECURED TO SAID VERTICAL SHAFT HAVING AN EFFECTIVE LENGTH PROPORTIONED TO TE OFFSET DISTANCE BETWEEN SAID VERTICAL SHAFT AND SAID HORIZONTAL AXLE, MOTOR MEANS FOR EFFECTING LATERAL MOVEMENT OF SAID UPPER PLATE, AND MEANS FOR CONTROLLING SAID MOTOR MEANS CONNECTED TO SAID LEVEL FOR SENSING ROTARY MOVEMENT OF SAID VERTICAL SHAFT AND OPERATING SAID MOTOR MEANS TO MAINTAIN THE CENTER POINT OF CONTACT OF SAID WHEEL WITH THE GROUND IN A SUBSTANTIALLY FIXED LATERAL POSITION WITH RESPECT TO THE DIRECTION OF TRAVEL OF THE VEHICLE.
Claim 2
Dependent Claim
173 words
IN A VEHICLE OF THE CLASS DESCRIBED, CASTERING MECHANISM COMPRISING AN UPPER CASTER PLATE, MEANS FOR MOUNTING SAID UPPER PLATE FOR LATERAL MOVEMENT WITH RESPECT TO THE VEHICLE, A LOWER CASTER PLATE, A VERTICAL SHAFT SECURED TO SAID LOWER PLATE AND JOURNALLED IN SAID UPPER PLATE FOR MOUNTING SAID PLATES FOR ROTARY MOVEMENT WITH RESPECT TO EACH OTHER, A CASTER WHEEL HAVING A HORIZONTAL AXLE, MEANS ON SAID LOWER PLATE FOR SUPPORTING SAID HORIZONTAL AXLE IN A FIXED OFFSET PORTION WITH RESPECT TO SAID VERTICAL SHAFT, A LEVER SECURED TO SAID VERTICAL SHAFT HAVING AN EFFECTIVE LENGTH PROPORTIONED TO TE OFFSET DISTANCE BETWEEN SAID VERTICAL SHAFT AND SAID HORIZONTAL AXLE, MOTOR MEANS FOR EFFECTING LATERAL MOVEMENT OF SAID UPPER PLATE, AND MEANS FOR CONTROLLING SAID MOTOR MEANS CONNECTED TO SAID LEVEL FOR SENSING ROTARY MOVEMENT OF SAID VERTICAL SHAFT AND OPERATING SAID MOTOR MEANS TO MAINTAIN THE CENTER POINT OF CONTACT OF SAID WHEEL WITH THE GROUND IN A SUBSTANTIALLY FIXED LATERAL POSITION WITH RESPECT TO THE DIRECTION OF TRAVEL OF THE VEHICLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |