{
  "$type": "site.standard.document",
  "description": "The omni-directional wheel includes first support parts (20) and second support parts (21) which support large-diameter rollers (30) and (31) and small-diameter rollers (40) and (41). Each of the first support parts (20) is disposed at a position where the first support part is held between a pair…",
  "path": "/patents/960858",
  "publishedAt": "2015-05-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60B19/003",
    "WHILL INC [JP]"
  ],
  "textContent": "The omni-directional wheel includes first support parts (20) and second support parts (21) which support large-diameter rollers (30) and (31) and small-diameter rollers (40) and (41). Each of the first support parts (20) is disposed at a position where the first support part is held between a pair of the large-diameter rollers (30) and (31), while each of the second support parts (21) is disposed at a position where the second support part is held between a pair of the small-diameter rollers (40) and (41). The large-diameter rollers (30) and (31) and the small-diameter rollers (40) and (41) are disposed such that their outlines are arranged on a single circumference, with a part of the small diameter-side end face of the small-diameter rollers (40, 41) partially inserted in the recessed portions (30c, 31c) of the large-diameter rollers (30, 31).",
  "title": "OMNI-DIRECTIONAL WHEEL AND OMNI-DIRECTIONAL VEHICLE INCLUDING THE SAME"
}