Tent – canopy – umbrella – or cane – Portable shelter – Umbrella-type
Patent
1989-08-16
1990-08-07
Scherbel, David A.
Tent, canopy, umbrella, or cane
Portable shelter
Umbrella-type
135104, 135 29, 135102, E04H 1528
Patent
active
049459368
ABSTRACT:
The invention provides an improved collapsible tent and tent frame of the umbrella type. The frame includes a plurality of legs pivoted, at the upper ends of the legs, to an upper clevis member. Each leg has pivoted thereto a radial stay member spaced downwardly from the upper end of the leg. The stay member extends inwardly of the tent to be pivoted to the lower clevis. The upper clevis includes a central downwardly opening recess and the lower clevis has fixed thereto an upperwardly projecting post or rod which is adapted to engage the upper clevis so as to stop movement of the lower clevis. Each leg comprises an elongated lower section which can be relatively stiff. The upper end of the lower section is pivoted to an upper section which is relatively flexible and resilient so that the upper portion of the legs can conform to the dome of the sheet material forming the tent cover or ceiling.
REFERENCES:
patent: 1124420 (1915-01-01), Gough
patent: 1666757 (1928-04-01), Snyder
patent: 2357056 (1944-08-01), Nelson
patent: 3000386 (1961-09-01), Schulze et al.
patent: 3044477 (1962-07-01), Higgins
patent: 3794054 (1974-02-01), Watts
patent: 3929146 (1975-12-01), Maiken
patent: 4033366 (1977-05-01), Forget
patent: 4750509 (1988-06-01), Kim
patent: 4865066 (1989-09-01), Brooks
Mai Lan
Scherbel David A.
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