Method for making torsional sensing load cells
First Claim
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1. A method of making a load cell comprising:
- forming a beam into a shape having a curved section with opposed segments of said beam forming ends of said curved section in torsional capability toward each other, and forming strain gauges on said opposed segments, wherein said load cell generally is U-shaped.
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Abstract
A method for manufacturing a torsional sensing load cell includes providing a member configured to sense torsion. Strain gauges are provided on selected portions of the member, such that torsion force produced an applied load is detected by the strain gauges.
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Citations
15 Claims
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1. A method of making a load cell comprising:
- forming a beam into a shape having a curved section with opposed segments of said beam forming ends of said curved section in torsional capability toward each other, and forming strain gauges on said opposed segments, wherein said load cell generally is U-shaped.
- View Dependent Claims (2, 3, 4, 5)
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6. A method for producing a load cell comprising:
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providing a cell having a first member, a second member, and a third member, said third member integrally coupling together said first and second members in a manner to form a generally U-shaped structure to produce torsional stress in said first, second, and third members in response to a first force applied to said first member and a second force applied to said second member;
disposing a first force transducer upon said third member proximate said first member, to detect torsional stress in said first member; and
disposing a second force transducer upon said third member proximate said second member to detect torsional stress in said second member, each of said steps of disposing including forming a strain gauge and one or more circuit patterns to electrically connect said first and second force transducers. - View Dependent Claims (7, 8, 9)
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10. A method for manufacturing a load cell comprising:
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forming a generally U-shaped member having a main body portion and first and second extending portions extending away from said main body portion; and
forming a first and second transducers respectively along said first and second extending portions and proximate said main body portion, said first and second extending portions having load bearing regions disposed in a manner that torsional stress is produced through said first and second extending portions when said load bearing regions are loaded. - View Dependent Claims (11, 12)
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13. A method of making a load cell comprising:
- forming a beam into a shape having a curved section with opposed segments of said beam forming ends of said curved section in torsional capability toward each other, and forming strain gauges on said opposed segments using conductive inks, wherein opposed forces applied to said opposed segments produces torsion in said curved section, said curved section being generally U-shaped.
- View Dependent Claims (14, 15)
Specification