Patent US3086404A successfully refreshed from Google Patents.
US3086404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter chain joint
Assignee: Cincinnati Mine Machinery Co
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Filing: 1958-12-30
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Granted: 1963-04-23
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Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Claude B Krekeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:57
CPC Classifications
E; E21; E21C; E21C25/00; E21C25/22; E21C25/28; E21C25/34; E21C25/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A CUTTER CHAIN, A FIRST LINK ELEMENT HAVING SPACED CHEEKS, A SECOND LINK ELEMENT HAVING A SINGLE CHEEK ADAPTED TO BE RECEIVED BETWEEN SAID SPACED CHEEKS, A PINTLE FOR HINGING SAID ELEMENTS TOGETHER, SAID SPACED CHEEKS HAVING PERFORATIONS TO RECEIVE SAID PINTLE, A SLEEVE SURROUNDING SAID PINTLE IN THE SPACE BETWEEN THE CHEEKS OF SAID FIRST MENTIONED LINK ELEMENT, SAID SECOND MENTIONED LINK ELEMENT HAVING A PERFORATION TO RECEIVE SAID SLEEVE, AND MEANS TO PREVENT ENDWISE DISPLACEMENT OF SAID PINTLE, SAID MEANS COMPRISING A DEFORMABLE MEMBER ADAPTED TO BE DRIVEN IN FROM THE OUTSIDE OF SAID CUTTER CHAIN IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID PINTLE THROUGH AN OPENING WHOLLY IN A CHEEK OF SAID FIRST MENTIONED LINK ELEMENT, ONE AT LEAST OF SAID PINTLE AND SAID SLEEVE PROVIDING A MEANS FOR DEFORMING AN END OF SAID DEFORMABLE MEMBER AS IT IS DRIVEN IN, AND ONE AT LEAST OF SAID PINTLE AND SAID SLEEVE HAVING A RECESS TO ACCEPT THE DEFORMED END OF SAID DEFORMABLE MEMBER.
Claim 2
Dependent Claim
170 words
IN A CUTTER CHAIN, A FIRST LINK ELEMENT HAVING SPACED CHEEKS, A SECOND LINK ELEMENT HAVING A SINGLE CHEEK ADAPTED TO BE RECEIVED BETWEEN SAID SPACED CHEEKS, A PINTLE FOR HINGING SAID ELEMENTS TOGETHER, SAID SPACED CHEEKS HAVING PERFORATIONS TO RECEIVE SAID PINTLE, A SLEEVE SURROUNDING SAID PINTLE IN THE SPACE BETWEEN THE CHEEKS OF SAID FIRST MENTIONED LINK ELEMENT, SAID SECOND MENTIONED LINK ELEMENT HAVING A PERFORATION TO RECEIVE SAID SLEEVE, AND MEANS TO PREVENT ENDWISE DISPLACEMENT OF SAID PINTLE, SAID MEANS COMPRISING A DEFORMABLE MEMBER ADAPTED TO BE DRIVEN IN FROM THE OUTSIDE OF SAID CUTTER CHAIN IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID PINTLE THROUGH AN OPENING WHOLLY IN A CHEEK OF SAID FIRST MENTIONED LINK ELEMENT, ONE AT LEAST OF SAID PINTLE AND SAID SLEEVE PROVIDING A MEANS FOR DEFORMING AN END OF SAID DEFORMABLE MEMBER AS IT IS DRIVEN IN, AND ONE AT LEAST OF SAID PINTLE AND SAID SLEEVE HAVING A RECESS TO ACCEPT THE DEFORMED END OF SAID DEFORMABLE MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |