Ramp system

Abstract

A ramp system for bikers, skateboarders and skaters has first and second ramps arranged back to back, each ramp having first and second ends and an upper surface extending between those ends. A connection connects the first ends of the ramps so that the ramps form a cusp or peak and the second ends of the ramps are spaced-apart and define a plane spaced below the cusp or peak. Preferably, a coping rail extends along the cusp or peak to form a spine which may function as a grind rail.

1 . A ramp system for bikers, skateboarders and skaters comprising 
 first and second substantially identical ramps arranged back to back, each ramp having first and second ends and an upper surface extending between said ends, and    a releasable connection connecting the first ends of said ramps so that the ramps form a cusp and the second ends of the ramps are spaced-apart and define a plane spaced below the cusp said connection including a rigid exposed metal tube extending the widths of the ramps between said first ends thereof and which extends above said upper surfaces to define a grind rail for the skateboarders.    
   
   
       2 . The system defined in  claim 1  wherein the upper surfaces of said ramps define concave arcs.  
   
   
       3 . (Canceled).  
   
   
       4 . (Canceled)  
   
   
       5 . The system defined in  claim 1  and further including one or more braces extending between and connecting said ramps each brace being at a location spaced below said cusp.  
   
   
       6 . The system defined in  claim 1  wherein each ramp includes 
 first and second ramp sections situated side by side, and    one or more connections between the first and second ramp sections of each ramp.    
   
   
       7 . The system defined in  claim 1  wherein said connection also includes 
 at least one notch in the first end of each ramp,    said metal tube being mounted to the first end of the first ramp so as to bridge said at least one notch therein, and    at least one upwardly curved tongue extending from the first end of each ramp, each said tongue being shaped and dimensioned so that when the second end of the second ramp is elevated above said common plane, the at least one tongue of each ramp may be inserted from below into the at least one notch of the other ramp behind the metal tube whereby when the second end of the second ramp is swung down to said plane, all of the tongues become releasably locked behind the metal tube.    
   
   
       8 . The system defined in  claim 7  wherein 
 the metal tube is substantially cylindrical and extends the full widths of said ramps, and    the upper surfaces of the ramps are substantially tangent to said metal tube at said first ends of the ramps.    
   
   
       9 . The ramp system defined in  claim 1  and further including a plurality of depending non-skid feet mounted to said first and second ramps adjacent to the second ends thereof.  
   
   
       10 . A ramp assembly for bikers, skateboarders and skaters comprising 
 first and second substantially identical ramps each ramp having first and second ends an upper surface extending between said and at least one notch in the first end of the ramp;    a rigid exposed rail mounted to the first end of the first ramp so as to bridge said at least one notch therein,    each ramp also having at least one upwardly curved tongue extending from the first end thereof, said at least one tongue of each ramp being shaped and dimensioned so that said at least one tongue of each ramp may be inserted from below into said at least one notch of the other ramp behind the rail so that when the second end of the second ramp is swung down about the rail, said at least one tongue of each ramp becomes releasably locked behind the rail and said rail is spaced above a plane defined by the second ends of the ramps and constitutes an exposed grind rail for the skateboarders.    
   
   
       11 . The assembly defined in  claim 10  and further including a pair of braces extending between and connecting said ramps at spaced-apart locations below said rail.  
   
   
       12 . The assembly defined in  claim 10  wherein each ramp includes 
 first and second ramp sections situated side by side, and    one or more connections between the first and second ramp sections of each ramp.    
   
   
       13 . The assembly defined in  claim 10  wherein 
 said rail is substantially cylindrical and extends the entire widths of the ramps, and    the upper surfaces of the ramps are substantially tangent to said rail at said first ends of the ramps.    
   
   
       14 . The assembly defined in  claim 6  wherein said one or more connections include 
 a gutter at a first side of said first ramp section for accepting a second side of said second ramp section, and    interfitting surfaces on said first and second sides for keying together said first and second ramp sections.    
   
   
       15 . The assembly defied in  claim 12  wherein said one or more connections include 
 a gutter at a first side of said first ramp section for accepting a second side of said second ramp section, and    intermitting surfaces on said first and second sides for keying together said first and second ramp sections.