{
  "$type": "site.standard.document",
  "description": "A drive unit for an electric bicycle, the drive unit including a motor (500)configured to generate a rotary force to drive a wheel (50) of the electric bicycle, a reduction gear unit provided with a plurality of gears (511, 512, 514, 521, 522) to decelerate a rotary force generated from the motor…",
  "path": "/patents/976945",
  "publishedAt": "2014-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/50",
    "MANDO CORP [KR]"
  ],
  "textContent": "A drive unit for an electric bicycle, the drive unit including a motor (500)configured to generate a rotary force to drive a wheel (50) of the electric bicycle, a reduction gear unit provided with a plurality of gears (511, 512, 514, 521, 522) to decelerate a rotary force generated from the motor, and a ring gear (524) configured to output the rotary force which is decelerated by the reduction gear, wherein a rib (524a) is formed on at least one of two lateral sides of the ring gear (524).",
  "title": "Drive unit for electric bicycle"
}