Load cell attachment structure

• US 20060048582A1
• Filed: 09/02/2005
• Published: 03/09/2006
• Est. Priority Date: 09/07/2004
• Status: Active Grant

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company), TS Tech Company Limited
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Yamazaki, Tatsuya, Nishide, Harutomi, Shindo, Toyohiko, Kojima, Mikihito, Furukawa, Takashi, Kumakiri, Naotaka, Yoshifuku, Masashi
• Granted Patent: US 7,373,846 B2
• Time in Patent Office: Days
• US Class Current: 73/856
• CPC Class Codes: G01N 2203/0676 Force, weight, load, energy, speed or acceleration
• CPC Class Codes: G01N 3/02 Details

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.

Claims

1. A load cell attachment structure for attaching a load cell to an attachment plate, comprising:

a first fastening part which is formed on a load sensing part of the load cell;

a second fastening part which attaches the load cell to the attachment plate by engaging with the first fastening part; and

an elastic body which is disposed between the attachment plate and the second fastening part.

2. A load cell attachment structure according to claim 1, further comprising:

a washer part which 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.

3. A load cell attachment structure according to claim 2, wherein

the first fastening part comprises a male screw,

the second fastening part comprises a nut,

the elastic body is disposed between the attachment plate and the nut, and

the collar part is disposed between the washer part and the nut.

4. A load cell attachment structure according to claim 2, wherein

the first fastening part comprises a female screw,

the second fastening part comprises a bolt,

the elastic body is disposed between the attachment plate and a top of the bolt, and

the collar part is disposed between the washer part and the top of the bolt.

5. A load cell attachment structure according to claim 2, wherein the collar part is formed as a single body with the washer part.

6. A load cell attachment structure for attaching a load cell to an attachment plate, comprising:

a first fastening part which is formed on a load sensing part 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 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.

7. A load cell attachment structure according to claim 6, wherein

the first fastening part comprises a male screw,

the second fastening part comprises a nut, and

the collar part is disposed between the washer part and the nut.

8. A load cell attachment structure according to claim 6, wherein

the first fastening part comprises a female screw,

the second fastening part comprises a bolt, and

the collar part is disposed between the washer part and a top of the bolt.

9. A load cell attachment structure according to claim 6, wherein the collar part is formed as a single body with the washer part.