Land vehicles: bodies and tops – Bodies – Structural detail
Reexamination Certificate
2006-09-12
2006-09-12
Dayoan, D. Glenn (Department: 3612)
Land vehicles: bodies and tops
Bodies
Structural detail
C296S204000, C296S001030, C296S184100
Reexamination Certificate
active
07104595
ABSTRACT:
The present invention is a floor panel structure of a car body where an automobile floor includes a floor panel that is connected to the frame members of the car body and also have a vibration mode adjusting structure that suppresses the generation of acoustic emission by generating 2×1 mode vibrations in a predetermined frequency band. The floor panel has a non-rectangular vibration region and the vibration mode adjusting structure of the floor panel has a vibration adjusting part that defines the position of node of 2×1 mode vibration, and this vibration adjusting part is disposed within the non-rectangular vibration region so as not to touch the frame members and so as to form two regions where the vibration volumes of two antinodes of vibration in 2×1 mode are made nearly the same.
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Chikita Masaru
Kamura Takanobu
Blankenship Greg
Dayoan D. Glenn
Mazda Motor Corporation
Nixon & Peabody LLP
Studebaker Donald R.
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