Traveling grate for heat treating materials

{
  "publication_number": "US3841829A",
  "country": "US",
  "kind": "A",
  "title": "Traveling grate for heat treating materials",
  "abstract": "A traveling grate for heat treating materials having an endless chain grate with lateral side plates to convey the materials on its upper strand through a heat treating chamber and wherein the chain grate is provided with upstanding side plate members at its lateral edges, each of the side plate members having therein vertical slots open at their upper ends to permit thermal expansion and contraction of such members.",
  "claims": [
    "1. Traveling grAte for heat treating materials conveyed through a treatment chamber comprising a continuous chain grate; and elongate upstanding side plate members at the lateral edges of said chain grate, each of said side plate members having slots threin open at their upper ends to accommodate expansion and contraction.",
    "2. Traveling grate according to claim 1 wherein each of said side plate members has a pair of holes for the reception of bolts, and wherein said slots are located in the upper half of each side plate member and between the two vertical planes traversing the center axes of said holes.",
    "3. Traveling grate according to claim 2, wherein said expansion slots are located at a distance away from said vertical planes corresponding at least to the radius of said holes of the side plate member.",
    "4. Traveling grate according to claim 1 wherein each of said side plate member extends to a level higher than that of the chain grate, and wherein said slots have a length approximately 0.3 to 0.5 times the value of the total height of the side plate member.",
    "5. Traveling grate according to claim 4 wherein said slots extend perpendicularly from the upper edge of said side plate member.",
    "6. Traveling grate for heat treating materials conveyed through a treatment chamber comprising a continuous chain grate; and upstanding, elongate side plate members at the lateral edges of said chain grate and having their adjacent ends in overlapping relation, each of said plate members being alike and having a body provided adjacent its opposite ends with a pair of spaced apart holes therein for the reception of bolts, each of said plate members having therein a pair of spaced apart slots extending from the upper edge of said plate member toward but terminating short of the lower edge thereof, said slots being located between said holes, the locations of said holes and the locations of said slots being such that the overlapping ends of adjacent plate members cover said slots."
  ],
  "cpc": [
    "F23H 11/00"
  ],
  "assignees": [
    "POLYSIUS AG"
  ],
  "filing_date": "1973-09-04",
  "publication_date": "1974-10-15",
  "grant_date": "1974-10-15",
  "priority_date": "1972-10-17",
  "application_number": "US-39380973-A",
  "family_id": "6633329",
  "citations": [
    "US1700366A",
    "US2006612A",
    "US2045646A",
    "US2279689A",
    "US3322414A",
    "US3393904A",
    "US3420512A",
    "US3548763A",
    "US3563520A"
  ]
}