Playground equipment

Details Playground equipment Playground equipment

2006-02-21

2006-02-21

Donnelly, Jerome W. (Department: 3764)

Exercise devices

Gymnastic

Play area climbing or traversing arrangement

C104S074000, C104S076000

Reexamination Certificate

active

07001311

ABSTRACT:
Playground equipment comprising a revolving ring for standing or sitting on is according to the invention composed of ring segments (1) which are connected by means of connecting pieces (2) for forming a closed ring. The revolving ring is mounted somewhat above the base by means of legs (3) and by adapting the length of the legs, an inclined revolving plane may be obtained. The structure itself comprises a stationary ring (5, 6) on which a revolving ring (4) provided with wheels or rolls (9, 10) may roll. The revolving ring (1) fits tightly about the stationary part of the playground equipment and it is not possible to separate the parts apart once the playground equipment has been assembled and held together by means of locking rings (12).

REFERENCES:
patent: 2730336 (1956-01-01), Etherington
patent: 2989308 (1961-06-01), Diehl
patent: 3749399 (1973-07-01), Fedor et al.
patent: 4389047 (1983-06-01), Hall
patent: 4877236 (1989-10-01), Shannon
patent: 5125361 (1992-06-01), Rowlands
patent: 5328422 (1994-07-01), Nichols
patent: 2 268545 (1975-11-01), None
patent: WO 00/76612 (2000-12-01), None

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