Tent – canopy – umbrella – or cane – Portable shelter – Plural shelters – shelter having plural compartments – or...
Patent
1989-07-17
1991-03-19
Scherbel, David A.
Tent, canopy, umbrella, or cane
Portable shelter
Plural shelters, shelter having plural compartments, or...
135100, 135114, 52 14, 52 16, E04H 1518
Patent
active
050002112
DESCRIPTION:
BRIEF SUMMARY
This invention relates to tent structures and especially but not exclusively to modular tent structures which can be used, inter alia, by fighting and emergency services for personnel accommodation and disaster relief reception area and accommodation but which also finds use in exhibition accommodation and social accommodation such as, for example, weddings or fetes.
U.S. Pat. No. 2,151,908 discloses a collapsible tent structure having a canopy structure comprising a peripheral frame having collapsible sides, two opposed of which are each constituted by a central crown joint structure to each side of which is pivoted a laterally-extending support member with a tie member releasably interconnecting the crown joint structure and each of the pivotally connected laterally-extending support members.
The peripheral frame supports a covering roof sheet which is also supported within the peripheral frame by a framework of a ridge pole and cross bow members.
It is an object of the present invention to provide a collapsible tent structure employing a peripheral frame with collapsible sides as disclosed in U.S. Pat. No. 2,151,908 but which provides a tension-applying central support for the covering roof sheet supported by the peripheral frame.
It is another object of the present invention to provide a modular tent structure which is relatively lightweight for transport and erection and collapse purposes, which is of rigid robust construction when erected, and which is of a construction which permits two or more tent modules to be simply and quickly coupled together to provide an increased covered and sheltered area.
According to one aspect of the present invention there is provided a modular tent structure comprising a canopy structure including a peripheral frame adapted to support a covering roof sheet and comprising a collapsible side constituted by a central crown joint structure to each side of which is pivoted a laterally-extending support member, and a tie member releasably inter-connecting the crown joint structure and the pivotally-connected laterally-extending support members, the modular tent structure being characterised in that each collapsible side of the peripheral frame is so constituted by a central crown joint structure, support members and tie members, and in that there is provided an axially- extendible mast structure disposed centrally of the peripheral frame and adjustable to vary tension in the covering roof sheet, and bracing means releasably interconnecting the central mast structure and each central crown joint structure of the peripheral frame.
According to another aspect of the present invention there is provided a modular tent structure comprising a canopy structure comprising a central mast structure for elevating and tensioning a covering roof sheet at its centre relative to a peripheral frame to which the covering roof sheet is connected, the central mast structure comprising a relatively axially movable mast and surrounding sleeve adapted to be detachably secured in an axially-extended position, and adjustment means for moving the mast relative to the surrounding sleeve while in the axially-extended position to increase or decrease the tension in the covering roof sheet.
According to still another aspect of the present invention there is provided a modular tent structure comprising a canopy structure adapted to be supported above ground by corner pillars, each pillar having on two adjacent faces connecting or haunch plates to which the canopy structure can be detachably connected, and the pillars having open vertical housings or formations for receiving side wall retention elements.
Preferably, a bracing member detachably interconnects the central mast structure and each central crown joint structure of each side of the peripheral frame.
Preferably, the adjacent ends of the support members of adjacent peripheral frame sides are flexibly tied together.
Preferably, the central mast structure and each central crown joint structure is interconnected by flexible supports, preferably webbi
REFERENCES:
patent: 2677384 (1954-05-01), Luisada
patent: 2928403 (1960-03-01), Hoskins
patent: 3810481 (1974-05-01), Nohmura
patent: 4558713 (1985-12-01), Hagler et al.
patent: 4801137 (1989-01-01), Bolt
Liddell William I.
Speare Roger L.
Aquila Shelters Limited
Mai Lan
Scherbel David A.
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