Showa Corporation

Nobuaki Fujita

Kimitoshi Satoh

Kazumi Imai

In an inverted type front fork in a two-wheeled motor vehicle or the like, a stopper plate having a through hole formed in a center portion is fitted to an inner periphery of an upper end portion of an inner tube. A rod attached to an outer tube is inserted into the inner tube via the through hole of the stopper plate. A spring seat supporting an upper end portion of a suspension spring is provided in a end portion of the rod. A rebound spring is interposed between the spring seat and the stopper plate. A plurality of connecting holes connecting upper and lower air chambers locating above and below the stopper plate are formed in an outer peripheral portion of the stopper plate, and a flow path connecting the upper and lower air chambers locating above and below the stopper plate is formed within the rod.

Front fork in two-wheeled motor vehicle or the like

Dust seal cap of front fork for two-wheeled vehicle

In a front fork of a motorcycle or other motor vehicle, an oil chamber is provided in an outer side of a hollow pipe is vertically divided into upper and lower sides by a piston arranged in a leading end portion of the vehicle body side tube. An oil reservoir chamber communicated with the oil chamber is provided in an inner side of the hollow pipe. A partition member dividing the oil reservoir chamber into upper and lower sides is provided in an upper portion of the hollow pipe, and a compression side damping valve is provided in a flow path formed in the partition wall member. A seal member slidably contacted with an inner periphery of the vehicle body side tube is provided in an outer periphery of the vehicle body side tube is provided in an outer periphery of the partition wall member.

Front fork of a motor cycle

Shock absorber for front fork of two-wheeled vehicle

In a hydraulic shock absorber for a vehicle, an annular support member is provided in a lower side of a portion to which a vehicle body side mounting member of a piston rod is fixed. A case cover is detachably provided around the vehicle body side mounting member and the annular support member. The case cover has a mounting portion which covers an outer shape of the vehicle body side mounting member. A tubular portion covers an outer periphery of the annular support member and extends to a lower side in an axial direction than the annular support member.

Growing community of inventors

Shizuoka, Japan

Nobuaki Fujita