Patent US3900995A successfully refreshed from Google Patents.
US3900995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable substructure for installing sheet roof
Assignee: Individual
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Filing: 1973-08-29
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Granted: 1975-08-26
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Expires: 1993-08-29
Abstract
Abstract Substructure for installing a sheet roof on a bare ceiling or the like by means of support bolts and interconnecting roofing sheet brackets, in which the roofing sheet brackets are U-shaped frames having downwardly-facing openings. The U-shaped frames are connected by means of mounting and locking members to support mounts which can be placed on support bolts and locked on the support bolts at any desired height.
Inventors
- 👤 Kurt Ehrenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:05
CPC Classifications
E; E04; E04D; E04D11/00; E04D11/005; E04D11/007
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
237 words
In apparatus for mounting exterior roofing sheets above a sub-roof including a plurality of generally horizontallyextending downwardly-facing channel members each adapted to support abutting edges of a respective pair of roofing sheets and a plurality of vertically-extending bolts with the lower end of each of said bolts being embedded in said sub-roof and an upper portion of each of said bolts being externally threaded, the combination of: a plurality of support bracket means each mounted atop a respective one of said bolts and each supporting one of said channel members at a respective place along the length of said one of said channel members, each of said support bracket means comprising an integral assembly having an upper generally horizontal upper sheet portion connected to the downwardlyextending sides of a respective one of said channel members, a generally-conical intermediate portion, and a tubular lower portion adjustably mounted atop a respective one of said bolts at a desired elevation, each of said support brackets means comprising a first piece of metal sheet formed to provide part of said horizontal upper sheet portion, part of said conical intermediate portion, and part of said tubular lower portion, and a second piece of metal sheet formed to provide part of said horizontal upper sheet portion, part of said conical intermediate portion, and part of said tubular lower portion, said first and second pieces of metal sheet being fixedly attached to each other.
Claim 2
Dependent Claim
237 words
In apparatus for mounting exterior roofing sheets above a sub-roof including a plurality of generally horizontallyextending downwardly-facing channel members each adapted to support abutting edges of a respective pair of roofing sheets and a plurality of vertically-extending bolts with the lower end of each of said bolts being embedded in said sub-roof and an upper portion of each of said bolts being externally threaded, the combination of: a plurality of support bracket means each mounted atop a respective one of said bolts and each supporting one of said channel members at a respective place along the length of said one of said channel members, each of said support bracket means comprising an integral assembly having an upper generally horizontal upper sheet portion connected to the downwardlyextending sides of a respective one of said channel members, a generally-conical intermediate portion, and a tubular lower portion adjustably mounted atop a respective one of said bolts at a desired elevation, each of said support brackets means comprising a first piece of metal sheet formed to provide part of said horizontal upper sheet portion, part of said conical intermediate portion, and part of said tubular lower portion, and a second piece of metal sheet formed to provide part of said horizontal upper sheet portion, part of said conical intermediate portion, and part of said tubular lower portion, said first and second pieces of metal sheet being fixedly attached to each other.
Claim 3
Dependent Claim
211 words
In apparatus for mounting exterior roofing sheets above a sub-roof including a plurality of generally-horizontally-extending downwardly-facing channel members each adapted to support abutting edges of a respective pair of roofing sheets and a plurality of vertically-extending bolts with the lower end of each of said bolts being embedded in said sub-roof and an upper portion of each of said bolts being externally threaded, the combination of: a plurality of support bracket means each mounted atop a respective one of said bolts and each supporting one of said channel members at a respective place along the length of said one of said channel members, each of said support bracket means comprising an integral assembly having an upper generally horizontal upper sheet portion connected to the downwardly-extending sides of a respective one of said channel members, a generally-conical intermediate portion, and a tubular lower portion adjustably moUnted atop a respective one of said bolts at a desired elevation, at least one of said support bracket means including a cylindrical length of pipe with internal threads adjacent its lower end engaging the external threads of a respective one of said support bolts and the upper end of said length of pipe engaging said tubular lower portion of said one of said support bracket means.
Claim 4
Dependent Claim
211 words
In apparatus for mounting exterior roofing sheets above a sub-roof including a plurality of generally-horizontally-extending downwardly-facing channel members each adapted to support abutting edges of a respective pair of roofing sheets and a plurality of vertically-extending bolts with the lower end of each of said bolts being embedded in said sub-roof and an upper portion of each of said bolts being externally threaded, the combination of: a plurality of support bracket means each mounted atop a respective one of said bolts and each supporting one of said channel members at a respective place along the length of said one of said channel members, each of said support bracket means comprising an integral assembly having an upper generally horizontal upper sheet portion connected to the downwardly-extending sides of a respective one of said channel members, a generally-conical intermediate portion, and a tubular lower portion adjustably moUnted atop a respective one of said bolts at a desired elevation, at least one of said support bracket means including a cylindrical length of pipe with internal threads adjacent its lower end engaging the external threads of a respective one of said support bolts and the upper end of said length of pipe engaging said tubular lower portion of said one of said support bracket means.
Claim 5
Dependent Claim
57 words
The combination according to claim 2 wherein said downwardly-extending sides of said channel members have horizontally-extending flanges, and wherein said horizontal upper sheet portion of each of said support bracket means is cut to provide a plurality of tab portions bent away from said sheet portion to grip said horizontally-extending flanges of one of said channel members.
Claim 6
Dependent Claim
27 words
The combination according to claim 3 wherein a pair of said tab portions are bent upwardly to engage said downwardly-extending sides of one of said channel members.
Claim 7
Dependent Claim
47 words
The combination according to claim 3 wherein each of said support bracket means includes a pair of said tab portions which are offset upwardly from said sheet portion and extend generally horizontally to prevent upward movement of said horizontally-extending flanges of said one of said channel members.
Claim 8
Dependent Claim
53 words
The combination according to claim 2 wherein said horizontal upper sheet portion of each of said support bracket means includes a central hole through which the upper end of a respective one of said support bolts may protrude to a space between the legs of a respective one of said downwardly-facing channel members.
Claim 9
Dependent Claim
54 words
The combination according to claim 2 wherein said horizontal sheet upper portion of each of said support bracket means is substantially rectangular and includes a pair of holes cut adjacent each corner and said tab portions bent to grip said flanges of said channel member comprise said corners of said horizontal sheet upper portion.
Claim 10
Dependent Claim
138 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, portions of said first and second metal sheets forming said respective halves of said tubular lower portion of said bracket being formed to provide internal threads adapted to engage the external threads of said mounting bolt.
Claim 11
Dependent Claim
138 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, portions of said first and second metal sheets forming said respective halves of said tubular lower portion of said bracket being formed to provide internal threads adapted to engage the external threads of said mounting bolt.
Claim 12
Dependent Claim
32 words
An assembly according to claim 8 wherein said first and second metal sheets are formed to provide a hollow generally-conical portion in between said upper plate portion and said tubular lower portion.
Claim 13
Dependent Claim
169 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, each of said pieces of metal sheet comprising a vertically-extending portion and a horizontally-extending portion, each of said vertically-extending portions comprising a pair of flat surfaces on opposite sides of a depression which forms a respective half of said tubular vertically-extending lower portion of said bracket, and each of said horizontally-extEnding portions including at least one tab bendable upwardly to grip a flange of said structural member.
Claim 14
Dependent Claim
169 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, each of said pieces of metal sheet comprising a vertically-extending portion and a horizontally-extending portion, each of said vertically-extending portions comprising a pair of flat surfaces on opposite sides of a depression which forms a respective half of said tubular vertically-extending lower portion of said bracket, and each of said horizontally-extEnding portions including at least one tab bendable upwardly to grip a flange of said structural member.
Claim 15
Dependent Claim
163 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically-extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, each of said pieces of sheet including a pair of flat surfaces on opposite sides of a respective depression which forms a respective half of said tubular lower portion of said bracket, each of said flat surfaces of said first piece of metal sheet being fixedly attached to a respective one of the flat surfaces of said second piece of metal sheet.
Claim 16
Dependent Claim
163 words
A support bracket assembly for carrying a roofing sheet at a desired elevation above a sub-roof, comprising, in combination: a vertically-extending externally-threaded mounting bolt embedded in said sub-roof, first and second pieces of metal sheet fixedly attached to each other to provide an integral bracket having a generally horizontal upper plate portion and a tubular vertically-extending lower portion, each of said pieces of metal sheet being formed to provide a respective half of said upper plate portion, and a respective half of said tubular lower portion; and a structural member resting atop said upper plate portion and carrying said roofing sheet, each of said pieces of sheet including a pair of flat surfaces on opposite sides of a respective depression which forms a respective half of said tubular lower portion of said bracket, each of said flat surfaces of said first piece of metal sheet being fixedly attached to a respective one of the flat surfaces of said second piece of metal sheet.
Claim 17
Dependent Claim
59 words
An assembly according to claim 11 wherein the vertically-extending lower portion of each of said pieces of metal sheet is provided with a depression extending the entire height of said vertically-extending portion, whereby said mounting bolt may be arranged to extend entirely through said tubular lower portion to a level above said horizontal upper plate portion of said bracket.
Claim 18
Dependent Claim
64 words
An assembly according to claim 11 in which said horizontal upper plate portion of said bracket comprises a first portion of said first piece of metal sheet bent to extend generally horizontally away from said second piece of metal sheet, and a first portion of said second piece of metal sheet bent to extend generally horizontally away from said first piece of metal sheet.
Claim 19
Dependent Claim
30 words
An assembly according to claim 13 wherein said first portions of said first and second pieces of metal sheet include T-shaped corner portions bendable upwardly to grip said structural member.
Claim 20
Dependent Claim
31 words
An assembly according to claim 11 wherein said first and second pieces of metal sheet are fixedly attached to each other by rivet means passing through holes in said flat surfaces.
Claim 21
Dependent Claim
31 words
An assembly according to claim 11 wherein said first and second pieces of metal sheet are fixedly attached to each other by spot welding together respective pairs of said flat surfaces.
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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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |