Patent ID: 8128108

Claim:
A skateboard comprising: a deck; a first truck attached to a forward end of the deck, the forward truck comprising a first base plate, a first hanger, a first kingpin, and first bushings residing on the kingpin and sandwiching the hanger; a second truck attached to a rear end of the deck, the rear truck comprising a second base plate, a second hanger, a second kingpin, and second bushings residing on the kingpin and sandwiching the hanger; wheels attached to the trucks; a passage through the deck having an open first end and an open second end opposite the first end; an intermediate opening in the passage connecting the passage to a bottom surface of the deck; a bypass passage through one of the trucks connecting a mounting surface of the base plate to an exposed surface of the truck; and a cup on an exposed surface of the truck and opening into the bypass passage.