Playground construction

Details Playground construction Playground construction

1992-09-10

1993-10-19

Friedman, Carl D.

Amusement devices

Surface or enclosure for athletic or exhibition event

52225, 52 218, 454284, 5420, E04F 1516, A63C 1904

Patent

active

052540391

ABSTRACT:
An improved playground construction is provided and consists of inflatable dome-shaped ribs placed one next to each other on a layer of padding on a hard ground surface of a playing field. Filler material is placed between the tops of the ribs with a strip of artificial grass placed over the filler material and the tops of the ribs. A mechanism conveys compressed air into the ribs, so that they will inflate to help cushion the fall of players and reduce injury, while giving more spring and bounce to the strip of artificial grass for running players. Air exhaust tubes extend upwardly from an apex of the inflatable dome-shaped ribs and through the strip of artificial grass to allow air to exit therethrough.

REFERENCES:
patent: D300194 (1989-03-01), Walker
patent: 2748399 (1956-06-01), Rockoff
patent: 3234741 (1966-02-01), Ionides
patent: 4462184 (1984-07-01), Cunningham
patent: 4472472 (1984-09-01), Schultz
patent: 4516767 (1985-05-01), Eskijian
patent: 4557475 (1985-12-01), Donovan
patent: 4846457 (1989-07-01), Vaux
patent: 5030390 (1991-07-01), Nicholls et al.

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