A - Human Necessities – 63 – C
Patent
A - Human Necessities
63
C
A63C 19/00 (2006.01) B66F 19/00 (2006.01) E01C 13/08 (2006.01) E01C 13/00 (2006.01)
Patent
CA 2208376
In a method and apparatus for moving a multipurpose field, the multipurpose field is made to float above a basic floor plate using fluid pressure and can be moved and placed in a desired position by delivery means. The moving apparatus comprises a plurality of nozzles provided in the basic floor plate common to a field region of a roofed stadium and an outdoor region for detecting the presence 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.
Akimoto Kazuyuki
Hirakawa Hajime
Murakawa Sadaaki
Okada Shigemi
Sugiyama Shinichi
G. Ronald Bell & Associates
Kawasaki Jukogyo Kabushiki Kaisha
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