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US 11,898,600 B2Granted
Tube for power transmission shaft and power transmission shaft
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsKenichi Mori, Takahiro Nakayama, Kazuki Ohta
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Abstract
A tube for a power transmission shaft is made of fiber-reinforced plastic, rotated to transmit power, and includes a main body in a shape of cylinder about an axis, wherein the main body has an outer diameter thereof gradually decreasing from a central portion thereof toward both ends thereof, and has a thickness thereof gradually decreasing from said both ends toward the central portion.
Claims7
A tube for a power transmission shaft, made of fiber-reinforced plastic and rotated to transmit power, comprising:
- a main body in a shape of cylinder about an axis;
- a connection portion in a cylindrical shape to be joined to a coupling member;
- and
- an inclined portion located between the main body and the connection portion and formed to have an outer diameter thereof decreasing from the main body toward the connection portion, the inclined portion continuing to the main body via a vulnerable portion,
- wherein the main body has an outer diameter thereof gradually decreasing from a central portion thereof toward both ends thereof,
- the main body has a thickness thereof gradually decreasing from said both ends toward the central portion,
- the main body has an inner periphery formed in an arc shape along the axis, from one end of said both ends to the other end of said both ends, and
- a plate thickness of the inclined portion decreases from the connection portion toward the main body.
5 more elements
Dependencies are inferred from the claim text.