US4766964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparent density measuring device
Assignee: Yamato Scale Co Ltd
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Filing: 1987-03-16
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Granted: 1988-08-30
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Expires: 2007-03-16
Abstract
Abstract An apparant density measuring device for a weighing machine comprising a bucket having a known loading volume. Product is fed to the bucket in an amount sufficient to cause overflow from the bucket, the bucket being vibrated for a specific time during this feeding operation. After completion of the feeding operation, the loaded bucket is weighed.
Inventors
- 👤 Ryuichi Hirota
- 👤 Shinichi Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:39
CPC Classifications
G; G01; G01G; G01G15/00; G01G15/006; G01G13/00; G01G13/02; G01G13/022; G01N; G01N9/00; G01N9/02; G01N2009/022; G01N2009/024
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
61 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, and means for weighing the loaded bucket after completion of said feeding operation.
Claim 2
Dependent Claim
61 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, and means for weighing the loaded bucket after completion of said feeding operation.
Claim 3
Dependent Claim
32 words
A device according to claim 1, characterized in that said feeding means is adapted to receive part of the product fed to said weighing machine and to feed it to said bucket.
Claim 4
Dependent Claim
89 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit.
Claim 5
Dependent Claim
89 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit.
Claim 6
Dependent Claim
90 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for vertically moving said bucket, said feeding and vibrating means being operable when said bucket is raised, and said weighing means being operable when said bucket is lowered.
Claim 7
Dependent Claim
90 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for vertically moving said bucket, said feeding and vibrating means being operable when said bucket is raised, and said weighing means being operable when said bucket is lowered.
Claim 8
Dependent Claim
32 words
A device according to claim 2, characterized in that said weighing machine is a combination weighing machine and said weighing means is one of the weighing units of said combination weighing machine.
Claim 9
Dependent Claim
103 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit, said feeding and vibrating means being operable in segments different from said weighing means.
Claim 10
Dependent Claim
103 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, means for feeding product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit, said feeding and vibrating means being operable in segments different from said weighing means.
Claim 11
Dependent Claim
115 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit.
Claim 12
Dependent Claim
115 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means being operable within respective predetermined segments of said orbit.
Claim 13
Dependent Claim
116 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for vertically moving said bucket, said feeding and vibrating means being operable when said bucket is raised, and said weighing means being operable when said bucket is lowered.
Claim 14
Dependent Claim
116 words
An apparent density measuring device for a weighing machine, comprising a bucket having a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for vertically moving said bucket, said feeding and vibrating means being operable when said bucket is raised, and said weighing means being operable when said bucket is lowered.
Claim 15
Dependent Claim
121 words
An apparent density measuring device for a weighing machine, comprising a bucket a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means said orbit, said feeding and vibrating means being operable in segments different from said weighing means.
Claim 16
Dependent Claim
121 words
An apparent density measuring device for a weighing machine, comprising a bucket a known loading volume, feeding means adapted to receive part of the product fed to said weighing machine and to feed it to said bucket, said feeding means being operable to feed the product to be measured to said bucket in an amount sufficient to cause overflow therefrom, means for vibrating said bucket for a specific time during the feeding operation, means for weighing the loaded bucket after completion of said feeding operation, and means for revolving said bucket in an orbit in a generally horizontal plane, said feeding, vibrating and weighing means said orbit, said feeding and vibrating means being operable in segments different from said weighing means.
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) | 1991-08-30 | 1992-02-29 | 1992-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-30 | 1996-02-29 | 1996-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-30 | 2000-02-29 | 2000-08-30 | $7700.00 | Window Closed / Lapsed |