| 摘要 |
In a product for sheltering an individual or individuals from sun, rain, win d or snow, it is known to have a central support shaft for carrying and manipulating the said product. In this invention a significant improvement is made to the structure of the product rendering it superior to existing patented inventions. The improvement consists of an organization of the primary structural elements of the portable shelter in a manner and according to the consideration of formulae that results in a stable product having an eccentric location of the support shaft relative to the central portion of t he sheltered field of occupancy. This new composition takes the plan from of a square geometry with chamfered corners. This configuration permits the engagement of two products in twin-performanc e by use of a snap-on gutter attachment. This double composition permits user advanta ge during certain spectator-orientated stationary application. The inventive and creative ideas embodied in this invention offer the user/users occupancy of the zone of maximum protection.
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