US3897310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coke oven door
Assignee: Raymond Kaiser Engineers Inc
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Filing: 1974-03-07
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Granted: 1975-07-29
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Expires: 1994-03-07
Abstract
Abstract A coke oven door frame carrying an edge member and a sealing strip supports latching racks that cooperate with the edge member latching dogs are adjustably mounted to a door jamb. Means is provided to move the latching racks linearly to bring the latching dogs into engagement with the latching racks to urge the sealing strip into sealing engagement with the door jamb.
Inventors
- 👤 Linwood G Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/02; C10B25/16; C10B25/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
A COKE OVEN DOOR WHEREIN THE IMPROVEMENT COMPRISES: A. A DOOR FRAME HAVING A DIAPHRAGM PLATE AND AN EDGE MEMBER CARRYING A SEALING STRIP THAT COOPERATES WITH A SURFACE OF A DOO R JAMB AND FORMS A SEAL THEREWITH WHEN SAID DOOR IS IN PLACE, B. A LATCHING RACK ENGAGING SAID EDGE MEMBER AND MOVABLY MOUNTED TO SAID DOOR FRAME, C. LATCHING DOGS RESILIENTLY MOUNTED TO SAID DOOR JAMB, AND D. MEANS FOR LINEARLY MOVING SAID LATCHING RACK INTO COOPERATIVE ENGAGEMENT WITH SAID LATCHING DOGS AND THEREBY URGING SAID SEALING STRIP INTO SEALING ENGAGEMENT WITH SAID SURFACE OF SAID DOOR JAMB.
Claim 2
Dependent Claim
101 words
A COKE OVEN DOOR WHEREIN THE IMPROVEMENT COMPRISES: A. A DOOR FRAME HAVING A DIAPHRAGM PLATE AND AN EDGE MEMBER CARRYING A SEALING STRIP THAT COOPERATES WITH A SURFACE OF A DOO R JAMB AND FORMS A SEAL THEREWITH WHEN SAID DOOR IS IN PLACE, B. A LATCHING RACK ENGAGING SAID EDGE MEMBER AND MOVABLY MOUNTED TO SAID DOOR FRAME, C. LATCHING DOGS RESILIENTLY MOUNTED TO SAID DOOR JAMB, AND D. MEANS FOR LINEARLY MOVING SAID LATCHING RACK INTO COOPERATIVE ENGAGEMENT WITH SAID LATCHING DOGS AND THEREBY URGING SAID SEALING STRIP INTO SEALING ENGAGEMENT WITH SAID SURFACE OF SAID DOOR JAMB.
Claim 3
Dependent Claim
164 words
A coke oven door wherein the improvement comprises: a. a door frame having a diaphragm plate and an edge member carrying a sealing strip that cooperates with a surface of a door jamb and forms a seal therewith when said door is in place; b. a latching rack engaging said edge member and movably mounted to said door frame; c. means mounting said rack to said door frame in such a manner that said rack is movable linearly with respect to said door frame; d. latching dogs resiliently mounted to said door jamb and cooperative with said latching rack when said door is in the latched position; and e. means for moving said latching rack linearly in one direction to engage said dogs with said rack and in the opposite direction to disengage said rack from said dogs, said dogs urging said rack against said sealing strip and creating a seal with said surface of the door jamb when said dogs and rack cooperate.
Claim 4
Dependent Claim
164 words
A coke oven door wherein the improvement comprises: a. a door frame having a diaphragm plate and an edge member carrying a sealing strip that cooperates with a surface of a door jamb and forms a seal therewith when said door is in place; b. a latching rack engaging said edge member and movably mounted to said door frame; c. means mounting said rack to said door frame in such a manner that said rack is movable linearly with respect to said door frame; d. latching dogs resiliently mounted to said door jamb and cooperative with said latching rack when said door is in the latched position; and e. means for moving said latching rack linearly in one direction to engage said dogs with said rack and in the opposite direction to disengage said rack from said dogs, said dogs urging said rack against said sealing strip and creating a seal with said surface of the door jamb when said dogs and rack cooperate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |