Matches 1 - 13 out of 13
Match Document Document Title
7572190 Single rider teeter-totter  
A safer, more user-friendly spring-balance single-rider teeter-totter includes manual adjustments for both the vertical position of the spring, which adjusts the rest height of the seat, and the...
7413516 Teeter-totter  
A teeter-totter is constructed with a pair of seats mounted at opposite ends of a rocker beam. The seats, when aligned horizontally, are below the pivot point so as to provide a pendular component...
6988951 Floating machine  
A system and method are disclosed for providing movement to a person having a person center of gravity and a person moment. The system includes a receptacle configured to allow the person to adjust...
6872145 Solo-operable seesaw  
A solo-operable seesaw includes a base member having oppositely spaced side sections for engaging a ground surface and further includes a plurality of elongated braces having opposed end portions...
5951406 Adjustable see-saw apparatus  
The seesaw device is adjustable as to the lengths of the moment arms on the beam, of the two seats. Children can adjust the moment-arm length of their own seat in order to compensate for weight...
5776002 Solo seesaw device  
A new Solo Seesaw Device for allowing a single child the fun of riding a seesaw. The inventive device includes the inventive device includes a seesaw body adapted to be supported at a point between...
4032138 Adjustable position counterweight assembly for amusement ride  
In a passenger propelled swinging ride assembly, a variable counterweight employing two eccentrically weighted wheels driven in opposite directions to effect a variable counterweight.
3822881 SEE-SAW WITH FOOT OPERATED LINKAGE  
A child's see-saw has a rocking bar with a single seat near one of its ends and its pivot point near the other end. The rocking bar is connected by a linkage to a rocking lever provided with a...
3298685 Complete circle swing  
D158703 Title is not available  
D157939 Title is not available  
D055572 Title is not available  
D054267 Title is not available  
Matches 1 - 13 out of 13