US4455010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient support
Assignee: Individual
•
Filing: 1981-07-21
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Granted: 1984-06-19
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Expires: 2001-07-21
Abstract
Abstract A resilient support for seats comprising telescoping members with a plurality of resilient members positioned therein in a series relationship with the telescoping members' relative movement; a plurality of resilient members stacked in a series relationship between the telescoping members, the resilient members each having an equal or different shore durometer hardness; an adjustment member for preloading said resilient members; and a lubricious bushing positioned between the contacting surfaces of the telescoping members.
Inventors
- 👤 Robert Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:25
CPC Classifications
B; B62; B62J; B62J1/00; B62J1/02; B62J1/06
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
155 words
A resilient support for seats or the like comprising: a first tubular member having an upper seat attachment portion and a lower portion, a second member attached to seat supporting structure at one end and configured to telescope within said lower portion at its other end, a plurality of resilient members positioned associated with, said first and second members; a protruding member carried by one of said members and positioned to engage only the center of one of said resilient members; and a pin for passing through said elongated slot and said bore when said first and second members are engaged for securing together said members in a telescoping relationship, whereby relative downward forces between said members cause said members to telescope wherein said protruding member bears against said center portion of said one of said resilient members forcing the center portion of all of said resilient members to resistively yield to said downward forces.
Claim 2
Dependent Claim
155 words
A resilient support for seats or the like comprising: a first tubular member having an upper seat attachment portion and a lower portion, a second member attached to seat supporting structure at one end and configured to telescope within said lower portion at its other end, a plurality of resilient members positioned associated with, said first and second members; a protruding member carried by one of said members and positioned to engage only the center of one of said resilient members; and a pin for passing through said elongated slot and said bore when said first and second members are engaged for securing together said members in a telescoping relationship, whereby relative downward forces between said members cause said members to telescope wherein said protruding member bears against said center portion of said one of said resilient members forcing the center portion of all of said resilient members to resistively yield to said downward forces.
Claim 3
Dependent Claim
17 words
The invention as defined in claim 1 wherein said first and second member are tubular in cross-section.
Claim 4
Dependent Claim
20 words
The invention as defined in claim 1 wherein a bushing is positioned between said first and second members engaging surface.
Claim 5
Dependent Claim
15 words
The invention as defined in claim 3 wherein said bushing is constructed of lubricious material.
Claim 6
Dependent Claim
19 words
The invention as defined in claim 3 or 4 wherein said bushing is constructed of self lubricating plastic material.
Claim 7
Dependent Claim
57 words
The invention as defined in claim 1 wherein said protruding member is vertically length adjustable relative to said members wherein the central portion of all of said resilient members are forced to resistively yield at a selected degree prior to the application of said downward forces and to further resistively yield when said downward forces are applied.
Claim 8
Dependent Claim
17 words
The invention as defined in claim 1 wherein said plurality of resilient means comprises three resilient members.
Claim 9
Dependent Claim
20 words
The invention as defined in claim 7 wherein each of said three resilient members has a different shore durometer hardness.
Claim 10
Dependent Claim
22 words
The invention as defined in claim 8 wherein the shore durometer hardness of said three resilient members ranges from 5 to 80.
Claim 11
Dependent Claim
22 words
The invention as defined in claim 8 wherein the shore durometer hardness of said three resilient members ranges from 10 to 30.
Claim 12
Dependent Claim
28 words
The invention as defined in claim 8 wherein one of said plurality of resilient members has a shore durometer hardness of 10, another 30, and the other 50.
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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) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |