Multipurpose field moving method and apparatus

Details Multipurpose field moving method and apparatus Multipurpose field moving method and apparatus

1997-07-21

1999-07-27

Friedman, Carl D.

Static structures (e.g., buildings)

With stadium or auditorium feature

52 7, 527411, 472 92, E04B 310

Patent

active

059270225

ABSTRACT:
Provided are a method for moving a multipurpose field and an apparatus for the same wherein the multipurpose field can be caused to float above a basic floor plate under a fluid pressure and can be moved and placed in a desired position by delivery means. The moving apparatus comprises a nozzle provided over a basic floor plate common to a field region of a roofed stadium and an outdoor region for detecting existence of the multipurpose field and for jetting a fluid upward in response to a detection signal, and delivery means for alternately moving the multipurpose field between both the regions.

REFERENCES:
patent: 2421274 (1947-05-01), Levey
patent: 3820467 (1974-06-01), Burdick
patent: 4355940 (1982-10-01), Derickson
patent: 4567957 (1986-02-01), Johnson
patent: 5187894 (1993-02-01), Ripley, Sr. et al.
patent: 5682711 (1997-11-01), Warczak
patent: 5746028 (1998-05-01), DiBenedetto

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