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    • 4. 发明专利
    • FOLDABLE SHELTER
    • GB1521060A
    • 1978-08-09
    • GB4787375
    • 1975-11-20
    • FIDDLER M K
    • E04H15/48A45B17/00E04H15/00E04H15/38A45F1/00E05D11/08
    • 1521060 Foldable shelter; hinges with restraining means M K FIDDLER 20 Nov 1975 [28 Nov 1974] 47873/75 Headings E1A and E2F A foldable shelter comprises a framework (Fig. 2) having two joints 4, 6 ribs 2a, 2b and intermediate ribs 2 each of U-shape, each end of which are connected to one of the joints, the joints permitting the ribs to rotate about an axis through the joints, and a flexible cover connected to the ribs, one end to each of ribs 2a, 2b wherein the joints comprise a mounting assembly (Fig. 3 or 4) over which the looped ends of the ribs are mounted and resilient means for restraining rotation of ribs 2a, 2b relative to the assembly. A further base rib 2c having a flexible material attached may serve as a floor. The mounting means preferably comprises a shaft portion 38 over which the end loops of ribs 2a, 2b are mounted, spring washer means 50 to rotation of the rib loops on the shaft when the head portion 42 is tightened by screw means 43 or 60. The base rib 2c may be pneumatically restrained from rotation relative to the mounting assembly by a recess cut in the head portion 40.