Amusement devices – Building or part thereof
Reexamination Certificate
1999-03-26
2001-01-16
Nguyen, Kien T. (Department: 3712)
Amusement devices
Building or part thereof
C472S116000
Reexamination Certificate
active
06174242
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to the field of children's play structures and, in particular, to self-contained interactive play structures for safely entertaining and educating young and intermediate age children and adults.
2. Description of the Related Art
Over the past decade there has been a steady proliferation of commercial play structures designed to meet the recreational needs of young families. Such play structures can provide a safe and exciting alternative to more traditional parks and playgrounds. Participatory or interactive play structures, that is, play structures that allow play participants to actively participate in creating desired effects, are particularly desirable because of their widely recognized entertainment and educational benefits. See, for example, my U.S. Pat. No. 5,194,048 and related design patent D330,579. These patents first disclosed the concept of interactive or participatory play in the context of a water park attraction.
Many large-scale successful commercial water parks now incorporate interactive play structures of the type disclosed in my U.S. Pat. No. 5,194,048. Families that have patronized these commercial water parks have discovered for themselves the valuable entertainment and educational benefits that interactive play provides. Sales of admission tickets for many such commercial water parks have surged following the introduction of new play structures for facilitating interactive play.
Commercial play structures may be adopted either for water use (“wet” play structures) or non-water use (“dry” play structures), as desired. The subject invention relates particularly to dry interactive play structures for either indoor or outdoor use. A typical dry play structure may include a padded framework and cushioned floors defining a variety of play elements or areas. Slides, tunnels, net bridges, and ladders may be used to interconnect the various play elements and play areas together so that play participants can traverse from one play element or area to the next.
On the other hand, there are certain unique aspects and desirable play dynamics of wet play structures which, heretofore, have not been satisfactorily met by their dry counterparts. For example, an especially exciting and entertaining play activity supported by a wet play structure involves shooting a stream of water at selected targets and/or other play participants. This usually entails some form of a water cannon, water gun, squirt gun, spray hose or the like, which play participants can operate to surprise other play participants or to achieve desired effects. Such participatory play activities provide particular benefits in developing children's motor skills and hand-eye coordination. It also provides endless fun for play participants, who enjoy the challenge of trying to hit various targets and/or one another.
Water as a primary play media lends itself readily to facilitating such play activities because it is easily extruded through a nozzle or otherwise formed into various projecting streams or other entertaining shapes and/or patterns. Also, water can be collected and recirculated to the various play elements using pumps or other efficient and commercially available recirculating and transporting means.
However, unlike a stream of water, which is able to assume a relatively streamlined aerodynamic shape during flight and which disperses harmlessly on impact, dry play media typically involves the use of discrete articles having a defined size, shape and mass which remain constant during flight and upon impact. Moreover, while water is easily regulated at the source to ensure that the pressure and impact velocity of the resulting stream remains within predetermined safe parameters, the impact velocity of discrete projectiles is not so easily regulated. Thus, while it is possible to project an impact-safe stream of water over relatively large distances of 20 to 30 feet with fairly good accuracy, the same task becomes considerably more difficult when using discrete projectiles such as foam or plastic balls.
Dry play structures face additional concerns that are not raised by wet play structures. For instance, the prior art does not satisfactorily address the problem of how to collect and recirculate a non-fluid play media so as to support play activities in a dry play structure. Also, errant or stray water streams or sprays do not present a significant problem in wet play structures. If the errant water cannot be recirculated, the water will soak into the ground or evaporate. Also, replenishing or adding water to a wet play system is relatively easy and inexpensive. Such is not the case, however, with dry play structures. Errant projectiles will not simply evaporate or soak into the ground. Instead, they may become permanently lost or may clutter up areas of the apparatus. Also, if projectiles are hidden or otherwise lost, the supply of projectiles must be replenished. This may involve significant expense, time delay, and administrative headache.
Yet another unique consideration associated with dry play structures is that, in contrast to water, dry play media such as foam or plastic projectiles may age or degrade over time, especially when exposed to environmental elements. Thus, the properties of the projectiles may change over time and the projectiles may lose some of their important performance and safety characteristics.
Commercial parks often desire attractions that are independent and stand by themselves. Part of what makes a play attraction commercially successful is the ability of the park to monitor play participants' entry, exit and overall use of the facility. Also, a play attraction or structure is most advantageous if it can be easily adapted to comply with a theme such as popular animated characters or children's stories, thus becoming more pleasing to play participants.
To facilitate interactive play between participants, the shape of the attraction is preferably such that play participants can see and interact with each other. However, conventional buildings generally have areas that are secluded and non-interactive with the rest of the facility.
SUMMARY OF THE INVENTION
An object of the present invention, therefore, is to provide a self-contained play attraction comprising a play structure and play structure housing to provide shooting and targeting play dynamics and interactive play capabilities using impact-safe dry foam projectiles (or other impact-safe projectiles). Another object of the present invention is to provide a play arena with a pleasing shape that also facilitates interaction between play participants scattered about the entire arena. Another object of the present invention is to provide various safe and durable devices for launching or propelling dry play media at various targets and/or other play participants. Another object of the present invention is to provide means for protecting such dry play media from the environment. Another object of the present invention is to provide an impact-safe play media particularly adapted for use in a dry play structure for shooting and targeting play dynamics and interactive play capabilities. Another object of the present invention is to provide effective containment of dry play media such as projectiles. Another object of the present invention is to provide various automated and/or play participant operated conveyers for collecting, recirculating and/or transporting dry play media to various play areas or interactive play elements disposed throughout a play structure. Another object of the present invention is to facilitate various interactive play activities which incorporate a wide range of fun and exciting mechanisms, such as springs, cams, pulleys, gears, and the like, all of which can be employed to provide an interactive play experience which is both fun and, at the same time, educational.
In one embodiment the present invention provides an interactive play structure in which various dry play media, such as foam b
Briggs Rick A.
Cuddihee Brendan
Weston Denise
Weston Mark
Knobbe Martens Olson & Bear LLP
Koala Corporation
Nguyen Kien T.
LandOfFree
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