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| Vibration isolating support device |
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| Motor vehicle exhaust pipe suspension; an assembly including such a suspension |
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| Portable, easily composable supporting skeleton |
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| Cabin for a telescopic gangway |
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| Method for anchoring and straightening walls |
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Arched framework and its assembly method
| Details |
Inventors: Liu, Zhiwei;
Assignee:
Primary Examiner: Kent; Christopher
Assistant Examiner:
Attorney, Agent or Firm: Birch, Stewart, Kolasch & Birch, LLP
A structure frame made of arches is formed with a plurality of curved frame units in parallel arrangement, where the curved frame units having butt joints (6) are connected in length by several straight bars (16) and the butt joints (6). The straight bars are connected in line at right angles with the curved frame units in order to form a truss. The curved frame units include curved bars (14) and tie members (11) where the curved bars are connected to form the curved frame units by the tie members (11) and the butt joints (6). A tension member (9) is provided between the curved frame units and the trusses. |
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DETAILED DESCRIPTION What is claimed is: 1.
A single-tier arched framework comprising: a plurality of curved bars, each curved bar having end sockets; a plurality of straight bars, each straight bar having end sockets; a plurality of tie rods; a plurality of chord members; and a plurality of bullet connectors, each bullet connector having spigots and being insertingly engaged with the straight bars and the curved bars and hookingly engaged with the tie rods and chord members, wherein end sockets of curved bars, straight bars, and the spigots of bullet connectors are mutually insertingly engaged mating pairs; the curved bars being insertingly engaged along a curve through the bullet connectors to form arc-shaped frames, the chord members being connected to the arc-shaped frames through the bullet connectors, the arc-shaped frames being substantially parallel to each other, the arc-shaped frames being longitudinally connected together through the bullet connectors by the straight bars, the straight bars being connected along substantially straight lines to compose trusses, said trusses being substantially parallel to each other and substantially orthogonally connected to each arc-shaped frame, the arc-shaped frames and trusses are connected by a plurality of tie rods to form an integral curved structure.
2.
The single-tier arched framework as claimed in claim 1, wherein said integral curved structure is composed of a plurality of quadrangular elements, each quadrangular element includes four bullet connectors and two straight bars and two curved bars, the four bullet connectors provide four corners of each quadrangular element, the curved bars and straight bars are orthogonally insertingly engaged into the bullet connectors to form adjacent sides, along two diagonals of each quadrangular element is a tie rod, each end of the tie rod being hookingly engaged with a bullet connector, each chord is defined by ends of two farthest spaced curved bars, along each cord are a pair of quadrangular elements connected transversely, each end of a chord member is hookingly engaged with each bullet connector, said arc-shaped frames are composed of a plurality of bow-shaped frames, each two adjacent chord members in each arc-shaped frame are crossed relative to each other
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