US4067234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension transducer
Assignee: EIDP Inc
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Filing: 1976-12-16
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Granted: 1978-01-10
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Expires: 1996-12-16
Abstract
Abstract A tension transducer for measuring threadline tension in running lengths of yarn includes a beam over which yarn passes cantilevered to one leg of a U-shaped flexure member. The other leg of the U-shaped member is associated with a strain gage linked internally to the beam.
Inventors
- 👤 John Seymour Seney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/10; G01L5/106; G01L5/108
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A yarn tension transducer for measuring threadline tension in running lengths of yarn comprising: a frame; a U-shaped member having first and second legs separated by a base member, said base member having a reduced flexure section located between the two legs; a hollow tube over which yarn passes connected to said first leg of said U-shaped member the other leg of said member being connected to said frame; an elongated rod having one end mounted within said hollow tube, a strain transducer connected between said other leg of said U-shaped member and the other end of said elongated rod responsive to relative movement between said other leg and said rod.
Claim 2
Dependent Claim
111 words
A yarn tension transducer for measuring threadline tension in running lengths of yarn comprising: a frame; a U-shaped member having first and second legs separated by a base member, said base member having a reduced flexure section located between the two legs; a hollow tube over which yarn passes connected to said first leg of said U-shaped member the other leg of said member being connected to said frame; an elongated rod having one end mounted within said hollow tube, a strain transducer connected between said other leg of said U-shaped member and the other end of said elongated rod responsive to relative movement between said other leg and said rod.
Claim 3
Dependent Claim
14 words
The apparatus of claim 1, said strain transducer being an electrical resistance strain gage.
Claim 4
Dependent Claim
13 words
The apparatus of claim 1, said strain transducer being a pneumatic strain transducer.
Claim 5
Dependent Claim
28 words
The apparatus of claim 1, including means mounting said one end of said elongated rod within said hollow tube for adjusting the axial position of said one end.
Claim 6
Dependent Claim
54 words
The apparatus of claim 3, including a yarn windup having a drive roll in surface driven engagement with a yarn package onto which said running lengths of yarn are wound and a control system for regulating the force between the drive roll and the package, said control system being responsive to said strain transducer.
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) | 1981-01-09 | 1981-07-11 | 1982-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-09 | 1985-07-11 | 1986-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-09 | 1989-07-11 | 1990-01-10 | $7700.00 | Window Closed / Lapsed |