{
  "$type": "site.standard.document",
  "description": "A tool for surveying a multi-level elevator hoistway (117) in preparation for installing hoistway rails, the tool having: a platform (240) supporting a spatial range sensor (250) that has an electronic controller (260), the controller receives instructions over a wireless network (290) to measure a…",
  "path": "/patents/1392259",
  "publishedAt": "2025-05-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B66B19/00",
    "OTIS ELEVATOR CO [US]"
  ],
  "textContent": "A tool for surveying a multi-level elevator hoistway (117) in preparation for installing hoistway rails, the tool having: a platform (240) supporting a spatial range sensor (250) that has an electronic controller (260), the controller receives instructions over a wireless network (290) to measure a first distance (D1) between the platform and a first proximate wall (170P1), and stores or transmits first data representing the first distance (D1); the platform (240) extends from a first side (350) to a second side (360) that are opposite each other, the first side (350) has a first bracket (430) that engages a first guide wire (200A1) and the second side (360) has a second bracket (440) that engages a second guide wire (200A2); and the platform (240) defines a first surface (300) and a second surface (310), and a first coupling link (370) is connected to the first surface (300) for connecting with a rope (210) to raise or lower the platform (240) against the first and second guide wires.",
  "title": "HOISTWAY SURVEY TOOL AND METHOD OF SURVEYING A HOISTWAY"
}