Patent US3254899A successfully refreshed from Google Patents.
US3254899A
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Assignee: Individual
•
Filing: 1963-12-12
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Granted: 1966-06-07
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Voorhies Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:23
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/027; B60G17/0272; B60G17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A VEHICLE SUSPENSION SYSTEM HAVING A SUPPORT SPRING, A SPRUNG MEMBER AND AN UNSPRUNG MEMBER, A CONTROL DEVICE MOUNTED BETWEEN THE TWO SAID MEMBERS, SAID CONTROL DEVICE COMPRISING A CAM AND CAM FOLLOWER RESPECTIVELY ATTACHED TO THE SPRUNG AND UNSPRUNG MEMBERS, SPRING MEANS FORCING SAID CAM AND FOLLOWER TOGETHER, THE CAM HAVING A CONTOUR ENGAGING THE FOLLOWER TO PROVIDE A VERTICAL FORCE COMPONENT ACTING BETWEEN THE SPRUNG AND UNSPRUNG MEMBERS COMPENSATING FOR THE CHANGE IN DYNAMIC LOAD THAT WOULD OTHERWISE BE TRANSMITTED TO THE SUPPORT SPRING WHEN THERE IS VERTICAL MOVEMENT OF THE UNSPRUNG MEMBER RELATIVE TO THE SPRUNG MEMBER, AND MEANS FOR AUTOMATICALLY ADJUSTING THE POSITION OF THE CAM RELATIVE TO THE SPRUNG MEMBER AT A RATE FASTER THAN THE FREQUENCY OF THE SPRUNG MEMBER AND SLOWER THAN THE FREQUENCY OF THE UNSPRUNG MEMBER TO COUNTERACT THE EFFECT OF CHANGES IN LEVEL OF THE SPRUNG MEMBER ON THE CAM.
Claim 2
Dependent Claim
151 words
IN A VEHICLE SUSPENSION SYSTEM HAVING A SUPPORT SPRING, A SPRUNG MEMBER AND AN UNSPRUNG MEMBER, A CONTROL DEVICE MOUNTED BETWEEN THE TWO SAID MEMBERS, SAID CONTROL DEVICE COMPRISING A CAM AND CAM FOLLOWER RESPECTIVELY ATTACHED TO THE SPRUNG AND UNSPRUNG MEMBERS, SPRING MEANS FORCING SAID CAM AND FOLLOWER TOGETHER, THE CAM HAVING A CONTOUR ENGAGING THE FOLLOWER TO PROVIDE A VERTICAL FORCE COMPONENT ACTING BETWEEN THE SPRUNG AND UNSPRUNG MEMBERS COMPENSATING FOR THE CHANGE IN DYNAMIC LOAD THAT WOULD OTHERWISE BE TRANSMITTED TO THE SUPPORT SPRING WHEN THERE IS VERTICAL MOVEMENT OF THE UNSPRUNG MEMBER RELATIVE TO THE SPRUNG MEMBER, AND MEANS FOR AUTOMATICALLY ADJUSTING THE POSITION OF THE CAM RELATIVE TO THE SPRUNG MEMBER AT A RATE FASTER THAN THE FREQUENCY OF THE SPRUNG MEMBER AND SLOWER THAN THE FREQUENCY OF THE UNSPRUNG MEMBER TO COUNTERACT THE EFFECT OF CHANGES IN LEVEL OF THE SPRUNG MEMBER ON THE CAM.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |