{
  "$type": "site.standard.document",
  "description": "A pumping assembly (100) is disclosed for use with a pneumatic tire mounted on a tire rim to keep the pneumatic tire from becoming underinflated. The pumping assembly (100) comprises an even number of pumps (150) attached to a tire rim; a gravity mass (130) for producing a pumping action; a cam…",
  "path": "/patents/944023",
  "publishedAt": "2016-04-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C23/126",
    "GOODYEAR TIRE & RUBBER [US]"
  ],
  "textContent": "A pumping assembly (100) is disclosed for use with a pneumatic tire mounted on a tire rim to keep the pneumatic tire from becoming underinflated. The pumping assembly (100) comprises an even number of pumps (150) attached to a tire rim; a gravity mass (130) for producing a pumping action; a cam (105) fixed to the gravity mass (130) for maintaining the cam (105) in a fixed position relative to the gravity mass (130); and rollers (160) for engaging the cam (105) and producing the pumping action as the tire rim rotates and the gravity mass (130) retards rotation of the cam (105) as the tire rim rotates.",
  "title": "AIR MAINTENANCE TIRE ASSEMBLY"
}