US3311389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for control of pitch and bounce in tractor-trailer combinations
Assignee: Caterpillar Inc
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Filing: 1965-06-07
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Granted: 1967-03-28
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 James C Barton
- 👤 John W Carter
- 👤 Wayne E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:35
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/02; B62D53/021; B62D53/04; B62D53/08; B62D53/0871; Y; Y10; Y10S; Y10S267/00; Y10S267/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SYSTEM FOR CONTROLLING BOTH BOUNCE AND PITCH-TYPE VIBRATIONS AT THE ARTICULATED CONNECTION BETWEEN VEHICLE COMPONENTS COMPRISING AT LEAST TWO LINKS PIVOTALLY CONNECTED WITH EACH OF SAID COMPONENTS, SPRING MEANS FORMING A CONNECTION BETWEEN SAID COMPONENTS FOR LINEAL DEFLECTION IN RESPONSE TO RELATIVE VERTICAL MOTION BETWEEN THE COMPONENTS CAUSED BY BOUNCE-TYPE VIBRATION, SAID LINKS BEING NONPARALLEL WHEREBY PITCH-TYPE VIBRATIONS BETWEEN THE COMPONENTS WILL INDUCE RELATIVE VERTICAL MOTION AND LINEAL DEFLECTION OF THE SPRING MEANS, SAID SPRING MEANS BEING A HYDRAULIC PNEUMATIC CYLINDER CAPABLE OF BEING TUNED AND DAMPED.
Claim 2
Independent Claim
88 words
A SYSTEM FOR CONTROLLING BOTH BOUNCE AND PITCH-TYPE VIBRATIONS AT THE ARTICULATED CONNECTION BETWEEN VEHICLE COMPONENTS COMPRISING AT LEAST TWO LINKS PIVOTALLY CONNECTED WITH EACH OF SAID COMPONENTS, SPRING MEANS FORMING A CONNECTION BETWEEN SAID COMPONENTS FOR LINEAL DEFLECTION IN RESPONSE TO RELATIVE VERTICAL MOTION BETWEEN THE COMPONENTS CAUSED BY BOUNCE-TYPE VIBRATION, SAID LINKS BEING NONPARALLEL WHEREBY PITCH-TYPE VIBRATIONS BETWEEN THE COMPONENTS WILL INDUCE RELATIVE VERTICAL MOTION AND LINEAL DEFLECTION OF THE SPRING MEANS, SAID SPRING MEANS BEING A HYDRAULIC PNEUMATIC CYLINDER CAPABLE OF BEING TUNED AND DAMPED.
References Cited (Backward Citations)
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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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |