One tends to forget it, but the skate at its beginnings did not have the form that one knows to him today...
Indeed there are 30 years the boards were rather in the form of small surfing like the Banzaï board that you can see here and the wheels was so broad that one could forget the bluntslides (who didn't exist besides at this time ;-)).

Trucks banzaï (OG):
I succeeded in finding these trucks