Patent US4977783A successfully refreshed from Google Patents.
US4977783A
Expired / Lapsed
US
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Load monitor
Assignee: Individual
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Filing: 1990-02-02
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Granted: 1990-12-18
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Expires: 2010-02-02
Abstract
Abstract A load cell for use in load measuring systems. The load cell is comprised of chain links to be secured to a load. A sensor is associated with at least one link of the chain. The sensor is able to measure a load applied to the link.
Inventors
- 👤 Hugh M. O. Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:35
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/16; G; G01; G01G; G01G19/00; G01G19/14; G01G19/18; G01G3/00; G01G3/12; G01G3/14; G01G3/15; G01L; G01L5/00; G01L5/04; G01L5/10; G01L5/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A load cell for use in load measuring systems, comprising: a load receiving chain having a plurality of links; load sensing means located on one of said links, for directly sensing the strain on said link; a measuring device remote from said sensing means for measuring the load on the link; and at least one lead continuously interconnecting the sensing means to the remote measuring device while the sensing means is operated; wherein the sensing means comprises a strain gauge located on one side of said one link.
Claim 2
Dependent Claim
88 words
A load cell for use in load measuring systems, comprising: a load receiving chain having a plurality of links; load sensing means located on one of said links, for directly sensing the strain on said link; a measuring device remote from said sensing means for measuring the load on the link; and at least one lead continuously interconnecting the sensing means to the remote measuring device while the sensing means is operated; wherein the sensing means comprises a strain gauge located on one side of said one link.
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) | 1993-12-17 | 1994-06-18 | 1994-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-17 | 1998-06-18 | 1998-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-17 | 2002-06-18 | 2002-12-18 | $7700.00 | Window Closed / Lapsed |