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Load detecting sensor and collision detecting sensor using the same

  • US 7,743,669 B2
  • Filed: 07/16/2008
  • Issued: 06/29/2010
  • Est. Priority Date: 07/17/2007
  • Status: Active Grant
First Claim
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1. A load detecting sensor comprising:

  • a first member;

    a second member; and

    an optical fiber, whereinthe first member has a groove having a bottom portion and a column portion which defines the groove,the second member covers the groove of the first member in contact with an end surface of the column portion of the first member so that a surrounded space is formed between the first member and the second member,the optical fiber is arranged in the surrounded space,at least one of the first member and the second member is made of an elastic body,the surrounded space is deformable when load is applied to at least one of the first member and the second member, andrigidity of the first member is higher than rigidity of the second member.

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