{
"$type": "site.standard.document",
"description": "The apparatus (2) includes two side arm units (4) each having a lower arm (8) having a top end pivotable coupled to the base end of an upper arm (10). Sprockets, which wind an endless chain, are installed at the ends of each lower arm. A spool (16), which supports a roll of cover (15), extends…",
"path": "/patents/1088498",
"publishedAt": "2004-03-31T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"B60J11/00",
"JOHN DONOVAN ENTPR INC [US]"
],
"textContent": "The apparatus (2) includes two side arm units (4) each having a lower arm (8) having a top end pivotable coupled to the base end of an upper arm (10). Sprockets, which wind an endless chain, are installed at the ends of each lower arm. A spool (16), which supports a roll of cover (15), extends between the tips of the upper arms. An independent claim is also included for a truck container top opening covering method.",
"title": "Container covering apparatus"
}