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LID LIFTER AND DROP SLEEVE MECHANISM

  • US 3,774,787 A
  • Filed: 09/15/1972
  • Issued: 11/27/1973
  • Est. Priority Date: 09/15/1972
  • Status: Expired due to Term
First Claim
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1. An apparatus for use in charging a coke oven, said apparatus comprising lid lifter means movable from a lowered position to a raised position to move a cover away from an entrance to the coke oven and movable from the raised position to the lowered position to move the cover toward the entrance to the coke oven, sleeve means movable between a retracted condition and an extended condition in which said sleeve means is effective to conduct materials to the entrance to the coke oven, linkage means for moving said lid lifter means while said sleeve means is maintained in the retracted condition and for moving said sleeve means while said lid lifter means is maintained in the raised position, and single motor means for operating said linkage means to move said lid lifter means between the raised and lowered positions with said sleeve means in the retracted condition and for operating said linkage means to extend and retract said sleeve means with said lid lifter means in the raised position.

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