US4200256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus mounting arrangement for avoiding harm due to seismic shocks
Assignee: ABB Inc USA
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Filing: 1977-03-14
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Granted: 1980-04-29
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Expires: 1997-03-14
Abstract
Abstract For apparatus, such as voltage surge arresters, having frangible elements, a mounting structure with springs that permit minor, harmless motion of the apparatus and a collapsible frame that yields in a ductile failure mode upon occurrence of movement exceeding that which can be absorbed by the springs before damage to the apparatus occurs.
Inventors
- 👤 Peter H. Thiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
A mounting arrangement, for supporting apparatus relative to the ground while avoiding harmful effects of ground shocks such as due to earthquakes, on the apparatus, comprising: spring means for supporting the apparatus and for permitting relatively minor reproducible movement of the apparatus which is within predetermined safe limits; yieldable frame means for supporting said spring means, said frame means yielding, in a ductile failures mode, upon occurrence of movement exceeding that which can be absorbed by said spring means before damage to the apparatus; said spring means comprising at least one spring element stacked on an anchor bolt and bearing against a portion of the supported apparatus, said anchor bolt being substantially vertically disposed between a fixed support and the supported apparatus; and said yieldable frame means comprising a frame member disposed on said anchor bolt and having a first portion bearing against said at least one spring element and a second portion bearing against said fixed ground support.
Claim 2
Dependent Claim
159 words
A mounting arrangement, for supporting apparatus relative to the ground while avoiding harmful effects of ground shocks such as due to earthquakes, on the apparatus, comprising: spring means for supporting the apparatus and for permitting relatively minor reproducible movement of the apparatus which is within predetermined safe limits; yieldable frame means for supporting said spring means, said frame means yielding, in a ductile failures mode, upon occurrence of movement exceeding that which can be absorbed by said spring means before damage to the apparatus; said spring means comprising at least one spring element stacked on an anchor bolt and bearing against a portion of the supported apparatus, said anchor bolt being substantially vertically disposed between a fixed support and the supported apparatus; and said yieldable frame means comprising a frame member disposed on said anchor bolt and having a first portion bearing against said at least one spring element and a second portion bearing against said fixed ground support.
Claim 3
Dependent Claim
56 words
A mounting arrangement in accordance with claim 1 wherein: said spring means comprises a plurality of spring washer elements on both sides, vertically above and below, of said portion of the supported apparatus; and, said frame means first and second portions are substantially horizontal and are integral with a side portion spaced from said anchor bolt.
Claim 4
Dependent Claim
16 words
Electrical apparatus having a fracturable housing supported by a mounting arrangement in accordance with claim 1.
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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) | 1983-04-29 | 1983-10-29 | 1984-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-29 | 1987-10-29 | 1988-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-29 | 1991-10-29 | 1992-04-29 | $7700.00 | Window Closed / Lapsed |