Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Reexamination Certificate
2008-01-22
2008-01-22
Davis, Octavia (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
Reexamination Certificate
active
07320251
ABSTRACT:
A load detector is constructed so as to stabilize an output voltage responding to an input load. The load detector includes a magnetostrictive sensor which includes a hollow case, a coil housed in the case, and a rod-like magnetic member located at an axial center of the coil, magnetized by an electric current flowing through the coil and receiving a load at an end thereof. The load detector further includes a pin which has a contact surface for applying the load onto the end of the magnetic member and is disposed axially inline with the magnetic member, and a bearing collar for reducing displacement of the pin with respect to the magnetic member. The magnetostrictive sensor and the pin are fitted, facing each other, into the bearing collar. The load detector is utilized suitably for transport equipment such as a water vehicle or electric bicycle.
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Official communication issued in the counterpart European Application No. 05011961.9, mailed on Jun. 19, 2007.
Official communication issued in the counterpart European Application No. 05011961.9, mailed on Oct. 24, 2007.
Harada Yoshinori
Kaneko Yoshiyuki
Koyanagi Tomoyoshi
Mizuno Yutaka
Davis Octavia
Keating & Bennett LLP
Yamaha Hatsudoki Kabushiki Kaisha
Yamaha Marine Kabushiki Kaisha
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