Brake cylinder device and disc brake device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9889865
SERIAL NO

14908186

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure increases the braking force of a parking spring brake mechanism without enlarging a device and without substantial increase in cost. The subject of the present disclosure is a brake cylinder device provided with a parking spring brake mechanism wherein a first piston moves in a prescribed braking direction. The brake cylinder device is provided with a brake force transmitting section having an inclined surface 38 that is inclined so as to press a brake output section in an advancement direction by moving along with the first piston in the braking direction. The inclined surface includes a first inclined surface provided in a distal end portion, and a second inclined surface provided in a proximal end portion and inclined more than the first inclined surface with respect to the advancement direction.

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Patent Owner(s)

Patent OwnerAddress
NABTESCO CORPORATION7-9 HIRAKAWACHO 2-CHOME CHIYODA-KU TOKYO 102-0093

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asano, Yoshio Kobe, JP 14 70
Oie, Hideyuki Kobe, JP 2 3

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