Puck
OwnerTai-ping Liuinventor
Life of this patent
Estimating the term…
Abstract
A puck includes a top side, a bottom side and a peripheral surface, the top side having a plurality of first vent holes defined therein, the bottom side having a plurality of second vent holes defined therein and the peripheral surface having a plurality of third vent holes defined therein, a first passage defined through the puck and communicating with each pair of the closest first vent hole and third vent hole, a second passage defined through the puck and communicating with each pair of the closest second vent hole and the third vent hole such that when the puck slides on a surface, the first passages and the second passages guide air to flow therethrough so as to let the puck slide smoothly and in a straight direction.
Claims6
A puck having a top side, a bottom side and a peripheral surface, at least one first vent hole defined in said top side, at least one second vent hole defined in said bottom side and at least one third vent hole defined in said peripheral surface, a first passage defined through said puck and communicating with said first vent hole and said third vent hole, a second passage defined through said puck and communicating with said second vent hole and said third vent hole, said first passage and said second passage being separated in said puck by a cone formed between said first passage and said second passage.
A puck having a top side, a bottom side and a peripheral surface, at least one first vent hole defined in said bottom side and at least one second vent hole defined in said peripheral surface, a first passage defined through said puck and communicating with said first vent hole and said second vent hole, said top side and said bottom side of said puck each having at least three bosses extending therefrom, a first ring disposed to said top side and a second ring disposed to said bottom side of said puck, each of said first ring and said second ring having at least three protrusions extending therefrom.
Dependencies are inferred from the claim text.