Static structures (e.g. – buildings) – Processes – Stair
Patent
1995-03-01
1997-01-14
Mai, Lanna
Static structures (e.g., buildings)
Processes
Stair
52188, 52171, 182116, 182123, 182132, E04B 100
Patent
active
055928013
ABSTRACT:
This invention relates to a mobile stair system for pets and other small animals, a method of making said mobile stair system, and a method of producing elements of said mobile stair system. Said mobile stair system comprises a number of crossbars, a left side support and a right side support which jointly form a main frame for the mobile stair system. A cord is run through a number of holes in the left side support and in the right side support and through the number of crossbars, forming a number of stairs of the mobile stair system. The method of making the mobile stair system comprises connecting a number of crossbars between a left side support and a right side support to form a main frame, spreading a covering over the number of crossbars of the main frame, and connecting the number of crossbars, the left side support, the right side support and the covering by using a cord such that the covering serves as a number of stairs. The method of producing elements of a main frame of the mobile stair system by injection molding comprises using molds in forming said elements, pouring casting material into the molds, allowing the casting material to harden in the mold to form said elements, removing the precast elements from the mold, and finally covering the main frame by using a covering and a cord as described above.
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Bani-Jamali Maryam
Mai Lanna
Vector Equipment-Houston, Inc.
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