US1099599A - Dome-roof construction. - Google Patents
Dome-roof construction. Download PDFInfo
- Publication number
- US1099599A US1099599A US74715013A US1913747150A US1099599A US 1099599 A US1099599 A US 1099599A US 74715013 A US74715013 A US 74715013A US 1913747150 A US1913747150 A US 1913747150A US 1099599 A US1099599 A US 1099599A
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- Prior art keywords
- roof
- dome
- construction
- rafter
- roof construction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/102—Shell structures
Definitions
- This invention relates to the construction of a dome roof which has been particularly designed for a circular barn to enable the roof to be simply and safely built and to be self-supporting on its wall without the necessity 'of any central support, central bracing or cross ties, the object being to applyth'e necessary covering material of the roof in a manner to eflectivcly sustain the load imposed upon it.
- Figure 1 is a vertical section through the axis of the. barn.
- Fig. 2 a plan of a portion of the same showing the subdivisions of the interior of the barn and the roof framing.
- Fig. 3 a vertical section on the line A-A in Fig. 2.
- the wall of the barn which is circular in plan, is constructed in the usual manner Fromwith'posts Qand siding boards 3.
- these posts 2 the rafters 7 spring and at the upper and inner end abut against a ring 6 at the crown of the dome.
- rafters 7 are built up of laminae of inch boards each one bent to the required curvature of the roof and securely nailed to theone beneath.
- the curvature terminates at approximately twenty degrees from the crown and thereafter the line of therafters is tangentially straight. This is to avoid any extreme flatness at the crown of the dome that the rain may shed more freelyfrom it.
- the rafters 7 are spaced as close together as practicable on the abutment ring 6 and a series of sheathing boards 8 and 9 is nailed across each at right angles to the rafter, each board extending to and being nailed to the rafter next to it on each side, so that the sheathing boards 8 from one rafter 'extend angularly down to the next rafter between its sheathing boards; 9, as shown in Fig. 2.
- each sheathing board is nailed at its mid-length to one rafter and each end is drawn down to and nailed on the next rafter on each side of it, the sheathing board designed to receive the roof covering. not only prevents lateral displacement of the rafters, but, as shownin Fig. 3, supports it as a truss from those on each side. it considerable self-supporting strength and rigidity is thus imparted to the structure enablingall centering to be dispensed with and the load of the roof comes directly on the wall without any spreading tendency.
- a roof ventilator 10 Sui-mounting the crown and based on the abutment ring 6 is a roof ventilator 10.
- the eaves of the roof may be carried beyond the wall in the manner shown so as to shed the rain clear of the walls without the requirement of a gutter.
- the walls of the barn may be high enough to enable cattle to be stalled beneath the loft, the joists 5 of which tie the post 2 to those of the inner wall of the stalls, and, the central part of the circular space may be walled for a silo 11.
- the construction is extremely simple and is more economical in material and labor than a barn with an ordinary roof, -the trussed frames supporting the roof of which require a considerable amount of material and are not easy to handle and put in place withouta large staff of help, whereas in this case the construction of the rafters and building of the roof are all light work with light material.
- rafters bent to the curvature of the roof and radiating around a vertical axis, and straight sheathing boards se-cured at right angles across each rafter, and of a length only toextend to the next adjacent rafter at each side of the one to which said board is prilnaril secured,
Description
W. L. HARTNELL.
' DOME ROOF CONSTRUCTION. APPLICATION FILED rmm. 1m.
Patented June 9, 1914.
. Mum/m m rdl.flartngll M ATTUHNEYJ WILLARD L. HARTNELL, OFCLAYBURN, BRITISH COLUMBIA, CANADA.
DOME-ROOF CONSTRUCTION.
Specification of Letters Patent.
Patented JunesL'lQial.
I Application filed February 8, 1913. Serial No. 747,150.
T 0 all whom iii-may concern:
Be it known that I, lViLLARD L. HART- NELL, citizen of the United States of America, residing at Clayburn, in the Province of British Columbia, Canada, have invented a new and useful Dome-Roof Construction, of which the following is a specification.
This invention relates to the construction of a dome roof which has been particularly designed for a circular barn to enable the roof to be simply and safely built and to be self-supporting on its wall without the necessity 'of any central support, central bracing or cross ties, the object being to applyth'e necessary covering material of the roof in a manner to eflectivcly sustain the load imposed upon it. I
The invention is particularly described in the following specification, reference being made tothe. drawings by which it is accompanied, in which:
Figure 1 is a vertical section through the axis of the. barn. Fig. 2, a plan of a portion of the same showing the subdivisions of the interior of the barn and the roof framing. Fig. 3, a vertical section on the line A-A in Fig. 2. v The wall of the barn, which is circular in plan, is constructed in the usual manner Fromwith'posts Qand siding boards 3. these posts 2 the rafters 7 spring and at the upper and inner end abut against a ring 6 at the crown of the dome. These. rafters 7 are built up of laminae of inch boards each one bent to the required curvature of the roof and securely nailed to theone beneath.
The curvature terminates at approximately twenty degrees from the crown and thereafter the line of therafters is tangentially straight. This is to avoid any extreme flatness at the crown of the dome that the rain may shed more freelyfrom it. The rafters 7 are spaced as close together as practicable on the abutment ring 6 and a series of sheathing boards 8 and 9 is nailed across each at right angles to the rafter, each board extending to and being nailed to the rafter next to it on each side, so that the sheathing boards 8 from one rafter 'extend angularly down to the next rafter between its sheathing boards; 9, as shown in Fig. 2. This manner offlinailing the sheathing boards to the rafters is an important feature in the construction of the roof and to it the strength of this roof is largely due. AS with this construction, each sheathing board is nailed at its mid-length to one rafter and each end is drawn down to and nailed on the next rafter on each side of it, the sheathing board designed to receive the roof covering. not only prevents lateral displacement of the rafters, but, as shownin Fig. 3, supports it as a truss from those on each side. it considerable self-supporting strength and rigidity is thus imparted to the structure enablingall centering to be dispensed with and the load of the roof comes directly on the wall without any spreading tendency.
Sui-mounting the crown and based on the abutment ring 6 is a roof ventilator 10.
The eaves of the roof may be carried beyond the wall in the manner shown so as to shed the rain clear of the walls without the requirement of a gutter. Y
The walls of the barn may be high enough to enable cattle to be stalled beneath the loft, the joists 5 of which tie the post 2 to those of the inner wall of the stalls, and, the central part of the circular space may be walled for a silo 11. v
The construction is extremely simple and is more economical in material and labor than a barn with an ordinary roof, -the trussed frames supporting the roof of which require a considerable amount of material and are not easy to handle and put in place withouta large staff of help, whereas in this case the construction of the rafters and building of the roof are all light work with light material.
Although specifically described as constructedof 006,1116 same features of .construction are applicable to ,a metal construction.
Having now particularly described my invention, I hereby declare that what I claim as new and, desire to be protected in by Letters Patent, is:
In a dome roof construction, rafters bent to the curvature of the roof and radiating around a vertical axis, and straight sheathing boards se-cured at right angles across each rafter, and of a length only toextend to the next adjacent rafter at each side of the one to which said board is prilnaril secured,
v In testimony whereof I have signed my the ends ofthe sheathing; boards eing bent name to this specification in the presence of down to and secured to the next rafter on two subscribin witnesses;
each side, the ends of the sheathing boards W LARD L. HARTNELL. of one rafter coming in between those of the Witnesses:
next rafter, substantially as shown and de- ROWLAND BRITTAIN,
scribed. MAY WHYTE.
copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
1 Washington, 11 G."
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74715013A US1099599A (en) | 1913-02-08 | 1913-02-08 | Dome-roof construction. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74715013A US1099599A (en) | 1913-02-08 | 1913-02-08 | Dome-roof construction. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1099599A true US1099599A (en) | 1914-06-09 |
Family
ID=3167801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US74715013A Expired - Lifetime US1099599A (en) | 1913-02-08 | 1913-02-08 | Dome-roof construction. |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400917A (en) * | 1965-02-23 | 1968-09-10 | Central Electr Generat Board | Cooling towers |
US4067153A (en) * | 1975-08-29 | 1978-01-10 | Richard Phillip Davis | Dome structure |
US8863695B1 (en) * | 2011-07-30 | 2014-10-21 | Geovanny DelValle | CUBRA avian shelter |
-
1913
- 1913-02-08 US US74715013A patent/US1099599A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400917A (en) * | 1965-02-23 | 1968-09-10 | Central Electr Generat Board | Cooling towers |
US4067153A (en) * | 1975-08-29 | 1978-01-10 | Richard Phillip Davis | Dome structure |
US8863695B1 (en) * | 2011-07-30 | 2014-10-21 | Geovanny DelValle | CUBRA avian shelter |
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