Patent US4829193A successfully refreshed from Google Patents.
Patent US2996695A successfully refreshed from Google Patents.
US3717318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-vibratory apparatus
Assignee: Sumitomo Riko Co Ltd
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Filing: 1972-03-24
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Granted: 1973-02-20
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Expires: 1992-03-24
Abstract
Abstract An anti-vibratory apparatus for a machine stand, comprises a cylindrical anti-vibratory rubber member edge lines with an oilresistant rubber plate, a disc-like metal plate is bonded to the upper surface of said rubber member and includes a concave portion having a relatively large radius of curvature at its center and a shoulder portion at its periphery, a tongue-like rubber member is bonded to said shoulder portion, a disc-like metal cap is spaced from said metal plate and includes a flange portion which holds tight the peripheral surface of the tonguelike member and leaves a space between it and the end surface of the tongue-like member and carries a convex portion at the central part which has a radius of curvature smaller than said concave portion of said plate. A boss including an internal thread, carries a leveling bolt having a rounded end surface with a far smaller radius of curvature screwed in the internal thread, with the end in contact with said concave portion of said plate.
Inventors
- 👤 K Yamasita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/3615; F16M; F16M7/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
201 words
An anti-vibratory apparatus comprising a cylindrical anti-vibratory rubber member lined with an oil-resistant rubber plate; a disc-like metal plate bonded to the upper surface of said rubber member, said metal plate including a shoulder portion bent downwards from its peripheral portion and a concave portion at its center having a curved surface with a large radius of curvature; a tongue-like rubber member having an inverted L-shape in section and extending at least annularly intermittent, said tongue-like rubber member being bonded at one end to the shoulder portion; a disc-like metal cap spaced from said metal plate and including a flange portion (of an L shape in section) and a convex portion projecting downwards from the undersurface of said metal cap, the central part of said cap having a raduis of curvature smaller than that of said concave portion of said metal plate, said flange portion holding tight the peripheral surface of said tongue-like member to leave a space between it and the end surface of said tongue-like member, said convex portion having secured thereto a boss and a leveling member having a rounded end surface with a far smaller radius of curvature co-axially received by said boss for axial adjustment therein.
Claim 2
Dependent Claim
201 words
An anti-vibratory apparatus comprising a cylindrical anti-vibratory rubber member lined with an oil-resistant rubber plate; a disc-like metal plate bonded to the upper surface of said rubber member, said metal plate including a shoulder portion bent downwards from its peripheral portion and a concave portion at its center having a curved surface with a large radius of curvature; a tongue-like rubber member having an inverted L-shape in section and extending at least annularly intermittent, said tongue-like rubber member being bonded at one end to the shoulder portion; a disc-like metal cap spaced from said metal plate and including a flange portion (of an L shape in section) and a convex portion projecting downwards from the undersurface of said metal cap, the central part of said cap having a raduis of curvature smaller than that of said concave portion of said metal plate, said flange portion holding tight the peripheral surface of said tongue-like member to leave a space between it and the end surface of said tongue-like member, said convex portion having secured thereto a boss and a leveling member having a rounded end surface with a far smaller radius of curvature co-axially received by said boss for axial adjustment therein.
Claim 3
Dependent Claim
201 words
An anti-vibratory apparatus comprising a cylindrical antivibratory rubber member lined with an oil-resistant rubber plate; a disc-like metal plate bonded to the upper surface of said rubber member, said metal plate including a shoulder portion bent downwards from its peripheral portion and a concave portion at its center having a curved surface with a large radius of curvature; a tongue-like rubber member having an inverted L-shape in section and extending at least annularly intermittent, said tongue-like rubber member being bonded at one end to the shoulder portion; a disc-like metal cap spaced from said metal plate and including a flange portion (of an L shape in section) and a convex portion projecting downwards from the undersurface of said metal cap, the central part of said cap having a raduis of curvature smaller than that of said concave portion of said metal plate, said flange portion holding tight the peripheral surface of said tongue-like member to leave a space between it and the end surface of said tongue-like member, said convex portion having secured thereto a boss and a leveling member having a rounded end surface with a far smaller radius of curvature coaxially received by said boss for axial adjustment therein.
Claim 4
Dependent Claim
201 words
An anti-vibratory apparatus comprising a cylindrical antivibratory rubber member lined with an oil-resistant rubber plate; a disc-like metal plate bonded to the upper surface of said rubber member, said metal plate including a shoulder portion bent downwards from its peripheral portion and a concave portion at its center having a curved surface with a large radius of curvature; a tongue-like rubber member having an inverted L-shape in section and extending at least annularly intermittent, said tongue-like rubber member being bonded at one end to the shoulder portion; a disc-like metal cap spaced from said metal plate and including a flange portion (of an L shape in section) and a convex portion projecting downwards from the undersurface of said metal cap, the central part of said cap having a raduis of curvature smaller than that of said concave portion of said metal plate, said flange portion holding tight the peripheral surface of said tongue-like member to leave a space between it and the end surface of said tongue-like member, said convex portion having secured thereto a boss and a leveling member having a rounded end surface with a far smaller radius of curvature coaxially received by said boss for axial adjustment therein.
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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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |