US3332629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clearing mechanism for crushers
Assignee: American Pulverizer Co
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Filing: 1964-09-14
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Granted: 1967-07-25
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Donald G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:27
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/31; B02C13/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN AUTOMATIC CLEARING MECHANISM FOR CRUSHERS COMPRISING IN COMBINATION WITH A CRUSHER INCLUDING A HOUSING, A CONCAVED BOTTOM GRATING SUPPORTED WITHIN SAID HOUSING, AND A ROTARY SHREDDER MECHANISM WITHIN SAID HOUSING COOPERATING WITH SAID GRATING TO DEFINE A CRUSHER CHAMBER, AN OPENING DEFINED BY SAID HOUSING FOR DISCHARGING UNCRUSHABLE MATERIAL FROM SAID CRUSHER CHAMBER, A SERIES OF PIVOTED FINGERS SUPPORTED FROM SAID HOUSING FOR INDEPENDENTLY AND YIELDABLY CLOSING SAID OPENING, A BAR OPERATOR FOR PIVOTING SAID SERIES OF PIVOTED FINGERS, PNEUMATIC MEANS FOR MOVING SAID BAR OPERATOR, A TIME INTERVAL CONTROLLER FOR ACTIVATING SAID PNEUMATIC MEANS DURING A PRESET PERIOD, AND AN IMPACT SWITCH FOR ACTIVATING SAID INTERNAL CONTROLLER WHENEVER THE SHOCK LEVEL WITHIN SAID CRUSHER CHAMBER INDICATES THE PRESENCE OF UNCRUSHABLE MATERIAL.
Claim 2
Dependent Claim
123 words
AN AUTOMATIC CLEARING MECHANISM FOR CRUSHERS COMPRISING IN COMBINATION WITH A CRUSHER INCLUDING A HOUSING, A CONCAVED BOTTOM GRATING SUPPORTED WITHIN SAID HOUSING, AND A ROTARY SHREDDER MECHANISM WITHIN SAID HOUSING COOPERATING WITH SAID GRATING TO DEFINE A CRUSHER CHAMBER, AN OPENING DEFINED BY SAID HOUSING FOR DISCHARGING UNCRUSHABLE MATERIAL FROM SAID CRUSHER CHAMBER, A SERIES OF PIVOTED FINGERS SUPPORTED FROM SAID HOUSING FOR INDEPENDENTLY AND YIELDABLY CLOSING SAID OPENING, A BAR OPERATOR FOR PIVOTING SAID SERIES OF PIVOTED FINGERS, PNEUMATIC MEANS FOR MOVING SAID BAR OPERATOR, A TIME INTERVAL CONTROLLER FOR ACTIVATING SAID PNEUMATIC MEANS DURING A PRESET PERIOD, AND AN IMPACT SWITCH FOR ACTIVATING SAID INTERNAL CONTROLLER WHENEVER THE SHOCK LEVEL WITHIN SAID CRUSHER CHAMBER INDICATES THE PRESENCE OF UNCRUSHABLE MATERIAL.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |