Load cell attachment structure
First Claim
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1. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
- a first fastening part which is formed on a load sensing part the main body of the load cell;
a second fastening part which attaches the load cell to the attachment plate by engaging with the first fastening part;
an elastic body which is disposed between the attachment plate and the second fastening part; and
a washer part which entirely covers the load sensing part, and is disposed between the attachment plate and the load sensing part.
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Abstract
This load cell attachment structure includes a male screw which is formed on a load sensing part of the load cell, a nut which attaches the load cell to the attachment plate by engaging with the male screw, and a wave washer which is disposed between the attachment plate and the nut.
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Citations
51 Claims
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1. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
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a first fastening part which is formed on a load sensing part the main body of the load cell; a second fastening part which attaches the load cell to the attachment plate by engaging with the first fastening part; an elastic body which is disposed between the attachment plate and the second fastening part; and a washer part which entirely covers the load sensing part, and is disposed between the attachment plate and the load sensing part. - View Dependent Claims (2, 3, 4, 15, 16, 17, 18, 19, 20)
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5. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
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a first fastening part which is formed on a load sensing part the main body of the load cell; a second fastening part which attaches the load cell to the attachment plate by engaging with the first fastening part; a washer part which entirely covers the load sensing part, and is disposed between the load sensing part and the attachment plate; and a collar part which is disposed between the washer part and the second fastening part, wherein a length of the collar part along an axis thereof is longer than a thickness of the attachment plate. - View Dependent Claims (6, 7, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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8. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
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a male screw which is formed on a load sensing part the main body of the load cell and which is inserted into an attachment hole formed in the attachment plate; a nut which attaches the load cell to the attachment plate by engaging with the male screw; an elastic body which is disposed between the attachment plate and the nut fastened on the male screw; and a washer having a washer part and a collar part and which is disposed between the load sensing part and the attachment plate, in which the washer part covers all of the load sensing part and contacts the load sensing part, and the collar part is disposed between the washer part and the nut, wherein the male screw is inserted into the collar part, the collar part is inserted into the attachment hole, the length of the collar part along an axis thereof is longer than a thickness of the attachment plate to have a space between the nut and the attachment plate, and the elastic body having a thickness greater than the space is disposed between the attachment plate and the nut, and the nut is engaged with the male screw until the nut contacts the collar part. - View Dependent Claims (44, 45, 46, 47)
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9. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
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a male screw which is formed on a load sensing part the main body of the load cell and which is inserted into an attachment hole formed in the attachment plate; a nut which attaches the load cell to the attachment plate by engaging with the male screw; a plate-spring which is composed of a flat plate part and a tapered part disposed on the outside edge of the flat plate part and which is disposed between the attachment plate and the nut fastened on the male screw to push the attachment plate to the load sensing part; and
,a washer having a washer part and a collar part and which is disposed between the load sensing part and the attachment plate, in which the washer part contacts the load sensing part, and the collar part is disposed between the washer part and the nut; wherein the flat plate part of the plate spring is disposed between the collar part and the nut. - View Dependent Claims (10, 11, 12, 13, 14)
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48. A load cell attachment structure for attaching a load cell to an attachment plate, the load cell including a main body and a load sensing part, the load cell attachment structure comprising:
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a first fastening part which is formed on the main body of the load cell; a second fastening part which attaches the load cell to the attachment plate by engaging with the first fastening part; a washer part which entirely covers the load sensing part, and is disposed between the load sensing part and the attachment plate; a collar part which is disposed between the washer part and the second fastening part; and an elastic body which is disposed between the washer part and the second fastening part, wherein the elastic body is arranged at a periphery of the collar part, and a length of the collar part along an axis thereof is longer than a thickness of the attachment plate. - View Dependent Claims (49, 50, 51)
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Specification