Tent roof structure

Details Tent roof structure Tent roof structure

1979-04-16

1981-03-17

Bell, J. Karl

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

A45F 116, E04B 1347

Patent

active

042561299

ABSTRACT:
For a readily erectible tent, a roof structure is provided in which all the elements are articulated and so arranged that the structure is capable of adopting an erect position to support canvas and a collapsed position in which it is transportable. The erectible feature is facilitated by a central carrier to which articulated rafter struts are pivotally connnected. The carrier has first and second carrier plates arranged for mutual axial displacement towards each other from the collapsed position in which the rafter struts are folded to the erect position in which the rafter struts are extended, movement of the plates towards each other effecting extension of the rafter struts. Supporting legs--side wall members--may also be articulated to the roof structure to provide a completely articulated unitary frame.

REFERENCES:
patent: 2710012 (1955-06-01), Powers et al.
patent: 2948287 (1960-08-01), Rupert
patent: 3000386 (1961-09-01), Schulze et al.
patent: 3710806 (1973-01-01), Kelly et al.
patent: 3888056 (1975-06-01), Kelly et al.

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