Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2014118100
Kind Code:
A
Abstract:
To provide a pneumatic tire including a compact automatic inner pressure supply device easily fitted to a tire and compatible to various tire sizes.
A pneumatic tire includes, in a pair of side walls 11, a pair of air pumps 20A fixed at opposing positions in a tire width direction. The air pump includes a cylinder 21A and a piston 22A, and a connection member 23A for connecting the pistons. Each air pump includes an elastic member 24A for pressing the piston to the cylinder in the tire width direction. The air pump includes a first check valve 25A for supplying gas from outside of the tire into inside of an air pump, and a second check valve 26A for supplying gas from inside of the air pump into a tire cavity.
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Inventors:
OGAWA YUICHIRO
Application Number:
JP2012276564A
Publication Date:
June 30, 2014
Filing Date:
December 19, 2012
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C23/12; B60C5/00; B60C19/00; B60C29/04
Attorney, Agent or Firm:
Kenji Sugimura
Kazuyuki Tomita
Rei Ito
Kazuyuki Tomita
Rei Ito