US3140057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crusher jaw plates
Assignee: Cedarapids Inc
•
Filing: 1962-02-26
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Granted: 1964-07-07
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Harold C Pollitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:12
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/04; B02C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A STATIONARY JAW PLATE FOR USE IN A JAW CRUSHER HAVING AN UPRIGHT WALL FOR RECEIVING SAID PLATE AND MEANS FOR RETAINING SAID PLATE IN OPERATIVE POSITION UPON SAID WALL, SAID MEANS INCLUDING A CHEEK PLATE ADJACENT EACH UPRIGHT END OF SAID WALL FOR CLAMPING SAID PLATE BETWEEN SAID CHEEK PLATE AND SAID WALL, THE IMPROVEMENT COMPRISING A JAW PLATE RETAINING LIP PROJECTING LATERALLY OUTWARDS OF EACH UPRIGHT SIDE OF SAID JAW PLATE AND FORMED INTEGRALLY THEREWITH SO THAT WHEN SAID PLATE IS OPERATIVELY CLAMPED AS AFORESAID SAID CHEEK PLATES ENGAGE SAID LIPS ONLY, EACH OF SAID LIPS EXTENDING ALONG ONLY THE PORTION OF SAID SIDE IMMEDIATELY ADJACENT THE MID-POINT THEREOF IN ORDER TO CONFINE THE TOTAL CLAMPING FORCE APPLIED BY SAID CHEEK PLATE TO SAID PORTION ONLY.
Claim 2
Dependent Claim
129 words
IN A STATIONARY JAW PLATE FOR USE IN A JAW CRUSHER HAVING AN UPRIGHT WALL FOR RECEIVING SAID PLATE AND MEANS FOR RETAINING SAID PLATE IN OPERATIVE POSITION UPON SAID WALL, SAID MEANS INCLUDING A CHEEK PLATE ADJACENT EACH UPRIGHT END OF SAID WALL FOR CLAMPING SAID PLATE BETWEEN SAID CHEEK PLATE AND SAID WALL, THE IMPROVEMENT COMPRISING A JAW PLATE RETAINING LIP PROJECTING LATERALLY OUTWARDS OF EACH UPRIGHT SIDE OF SAID JAW PLATE AND FORMED INTEGRALLY THEREWITH SO THAT WHEN SAID PLATE IS OPERATIVELY CLAMPED AS AFORESAID SAID CHEEK PLATES ENGAGE SAID LIPS ONLY, EACH OF SAID LIPS EXTENDING ALONG ONLY THE PORTION OF SAID SIDE IMMEDIATELY ADJACENT THE MID-POINT THEREOF IN ORDER TO CONFINE THE TOTAL CLAMPING FORCE APPLIED BY SAID CHEEK PLATE TO SAID PORTION ONLY.
References Cited (Backward Citations)
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Cited
CA573804A
Cited
US1187159A
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US1608561A
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US1748879A
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US1771505A
Cited
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Cited
US2826371A
Cited
FR1165777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |