Patent US4716986A successfully refreshed from Google Patents.
US4716986A
Expired / Lapsed
US
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Vibration damping system
Assignee: IHI Corp
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Filing: 1985-10-07
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Granted: 1988-01-05
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Expires: 2005-10-07
Abstract
Abstract The invention provides a vibration damping system in which a vibration damper made of materials which have different degrees of plastic deformation and which are integrally or unitarily joined is interposed between an equipment to be vibration-damped and a support for supporting the equipment.
Inventors
- 👤 Tadahiro Umemoto
- 👤 Hiroe Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:55
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; F; F16; F16F; F16F7/00; F16F7/12; F16L; F16L55/00; F16L55/02; F16L55/033; F16L55/035
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
81 words
A vibration damping system comprising: vibration damper means interposed between an equipment to be vibration-damped and a support for supporting said equipment, said vibration damper means consisting of first bar or plate means made of a metal having a degree of plastic deformation stress, and second bar or plate means unitarily joined to said first bar or plate means and made of a metal having a degree of plastic deformation stress different from that of said first bar or plate means.
Claim 2
Dependent Claim
81 words
A vibration damping system comprising: vibration damper means interposed between an equipment to be vibration-damped and a support for supporting said equipment, said vibration damper means consisting of first bar or plate means made of a metal having a degree of plastic deformation stress, and second bar or plate means unitarily joined to said first bar or plate means and made of a metal having a degree of plastic deformation stress different from that of said first bar or plate means.
Claim 3
Dependent Claim
29 words
A system according to claim 1 wherein said materials are a superplastic material and a material plastic deformation stress of which is higher than that of said superplastic material.
Claim 4
Dependent Claim
25 words
A system according to claim 1 wherein said materials are a material having a high yield point and a material having a low yield point.
Claim 5
Dependent Claim
24 words
A system according to claim 1 wherein said means comprises a plurality of laminated rectangular plates each having a different degree of plastic stress.
Claim 6
Dependent Claim
24 words
A system according to claim 1 wherein said means comprises a plurality of laminated rectangular plates each having a different degree of plastic stress.
Claim 7
Dependent Claim
24 words
A system according to claim 5 wherein said means comprises a plurality of laminated rectangular plates each having a different degree of plastic stress.
Claim 8
Dependent Claim
24 words
A system according to claim 1 wherein said means comprises a plurality of laminated trapezoidal plates each having a different degree of plastic stress.
Claim 9
Dependent Claim
24 words
A system according to claim 2 wherein said means comprises a plurality of laminated trapezoidal plates each having a different degree of plastic stress.
Claim 10
Dependent Claim
24 words
A system according to claim 3 wherein said means comprises a plurality of laminated tapezoidal plates each having a different degree of plastic deformation.
Claim 11
Dependent Claim
44 words
A system according to claim 1 wherein said means comprises a core member and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a through opening for receiving said core member.
Claim 12
Dependent Claim
44 words
A system according to claim 2 wherein said means comprises a core member and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a through opening for receiving said core member.
Claim 13
Dependent Claim
44 words
A system according to claim 3 wherein said means comprises a core member and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a through opening for receiving said core member.
Claim 14
Dependent Claim
68 words
A system according to claim 1 wherein said means comprises core members with threads and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a plurality of screw holes spaced apart from each other along its width and extending along the length of the further member, said core members being screwed into said screw holes.
Claim 15
Dependent Claim
68 words
A system according to claim 2 wherein said means comprises core members with threads and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a plurality of screw holes spaced apart from each other along its width and extending along the length of the further member, said core members being screwed into said screw holes.
Claim 16
Dependent Claim
67 words
A system according to claim 3 wherein said means comprises core members with threads and a further member made of material having a plastic deformation stress different from that of said core member, said further member having a plurality screw holes spaced apart from each other along its width and extending along the length of the further member, said core members being screwed into said screw holes.
Claim 17
Dependent Claim
58 words
A system according to claim 1 wherein said means comprises a core member and a further members made of material having a plastic deformation different from that of said core member, said further members being interconnected at ends thereof by connecting members to define a space therebetween, said core member being received by and fixed in said space.
Claim 18
Dependent Claim
57 words
A system according to claim 2 wherein said means comprises a core member and further members made of material having a plastic deformation different from that of said core member, said further members being interconnected at ends thereof by connecting members to define a space therebetween, said core member being received by and fixed in said space.
Claim 19
Dependent Claim
57 words
A system according to claim 3 wherein said means comprises a core member and further members made of material having a plastic deformation different from that of said core member, said further members being interconnected at ends thereof by connecting members to define a space therebetween, said core member being received by and fixed in said space.
Claim 20
Dependent Claim
42 words
A system according to claim 1 wherein said means comprises a core member and a further member which is fitted over said core member and is made of a material having a plastic deformation stress different from that of said core member.
Claim 21
Dependent Claim
42 words
A system according to claim 2 wherein said means comprises a core member and a further member which is fitted over said core member and is made of a material having a plastic deformation stress different from that of said core member.
Claim 22
Dependent Claim
42 words
A system according to claim 3 wherein said means comprises a core member and a further member which is fitted over said core member and is made of a material having a plastic deformation stress different from that of said core member.
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) | 1991-01-04 | 1991-07-06 | 1992-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-04 | 1995-07-06 | 1996-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-04 | 1999-07-06 | 2000-01-05 | $7700.00 | Window Closed / Lapsed |