US3126068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus f
Assignee: Elkem Metals Co LP
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:45
CPC Classifications
G; G01; G01G; G01G13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
AN APPARATUS FOR CONTROLLING AND MEASURING THE AMOUNT OF SOLID GRANULAR MATERIAL WITHDRAWN FROM A STRUCTURE CONTAINING SUCH MATERIAL WHICH COMPRISES, IN COMBINATION, GATING MEANS OPERABLY CONNECTED TO SAID STRUCTURE FOR PROVIDING CONTINUOUS PASSAGE OF GRANULAR SOLID MATERIAL THEREFROM AND BEING ADJUSTABLE TO BE DEACTUATED WHEREBY THE SOLID MATERIAL IS CAUSED TO BE RETAINED IN THE STRUCTURE WHILE SAID GATING MEANS IS DEACTUATED; A RECEPTACLE DISPOSED TO RECEIVE THE SOLID MATERIAL AS IT IS WITHDRAWN HAVING A MOVABLY MOUNTED MEMBER NORMALLY CLOSING SAID RECEPTACLE, SAID MEMBER BEING ADJUSTABLE TO OPEN THE RECEPTACLE AND THEREBY CAUSE ANY SOLID MATERIAL CONTAINED IN THE RECEPTACLE TO BE EMPTIED THEREFROM; A BASE MEMBER; A LEVER ARM PIVOTALLY MOUNTED ON THE BASE MEMBER AND SUPPORTING SAID RECEPTACLE AT A PREDETERMINED DISTANCE FROM THE AXIS OF ROTATION OF SAID LEVER ARM; A DEFORMABLE MEMBER COUPLED BETWEEN SAID LEVER ARM AND SAID BASE MEMBER AT A FIXED DISTANCE FROM THE AXIS OF ROTATION OF SAID LEVER ARM AND ON THE OPPOSITE SIDE OF THE LEVER ARM PIVOT FROM THE RECEPTACLE, SAID DEFORMABLE MEMBER BEING DEFORMABLE IN PROPORTION TO THE WEIGHT OF LIME IN SAID RECEPTACLE AND ARRANGED TO MAINTAIN THE LEVER ARM IN A SUBSTANTIALLY HORIZONTAL POSITION; FORCE TRANSMITTING MEANS LOCATED ON THE OPPOSITE SIDE OF THE LEVER ARM PIVOT FROM SAID RECEPTACLE, OPERABLY COUPLED
Claim 2
Independent Claim
218 words
AN APPARATUS FOR CONTROLLING AND MEASURING THE AMOUNT OF SOLID GRANULAR MATERIAL WITHDRAWN FROM A STRUCTURE CONTAINING SUCH MATERIAL WHICH COMPRISES, IN COMBINATION, GATING MEANS OPERABLY CONNECTED TO SAID STRUCTURE FOR PROVIDING CONTINUOUS PASSAGE OF GRANULAR SOLID MATERIAL THEREFROM AND BEING ADJUSTABLE TO BE DEACTUATED WHEREBY THE SOLID MATERIAL IS CAUSED TO BE RETAINED IN THE STRUCTURE WHILE SAID GATING MEANS IS DEACTUATED; A RECEPTACLE DISPOSED TO RECEIVE THE SOLID MATERIAL AS IT IS WITHDRAWN HAVING A MOVABLY MOUNTED MEMBER NORMALLY CLOSING SAID RECEPTACLE, SAID MEMBER BEING ADJUSTABLE TO OPEN THE RECEPTACLE AND THEREBY CAUSE ANY SOLID MATERIAL CONTAINED IN THE RECEPTACLE TO BE EMPTIED THEREFROM; A BASE MEMBER; A LEVER ARM PIVOTALLY MOUNTED ON THE BASE MEMBER AND SUPPORTING SAID RECEPTACLE AT A PREDETERMINED DISTANCE FROM THE AXIS OF ROTATION OF SAID LEVER ARM; A DEFORMABLE MEMBER COUPLED BETWEEN SAID LEVER ARM AND SAID BASE MEMBER AT A FIXED DISTANCE FROM THE AXIS OF ROTATION OF SAID LEVER ARM AND ON THE OPPOSITE SIDE OF THE LEVER ARM PIVOT FROM THE RECEPTACLE, SAID DEFORMABLE MEMBER BEING DEFORMABLE IN PROPORTION TO THE WEIGHT OF LIME IN SAID RECEPTACLE AND ARRANGED TO MAINTAIN THE LEVER ARM IN A SUBSTANTIALLY HORIZONTAL POSITION; FORCE TRANSMITTING MEANS LOCATED ON THE OPPOSITE SIDE OF THE LEVER ARM PIVOT FROM SAID RECEPTACLE, OPERABLY COUPLED
References Cited (Backward Citations)
US409702A
Cited
US377163A
Cited
US1066656A
Cited
US1846148A
Cited
US2011608A
Cited
US2232437A
Cited
US2634080A
Cited
US2610726A
Cited
US2660394A
Cited
US2705607A
Cited
US2775425A
Cited
US2890013A
Cited
US2930227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |