ばねブレーキシリンダ

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ball lock type spring brake cylinder with an unlocking function having improved conveniences. <P>SOLUTION: The spring brake cylinder comprises a cylinder body 11, a piston 12, a piston rod 13, a push rod 14, a ball 15 arranged in a hole of the push rod 14 fittably into a recessed portion 27 of the piston rod 13, a holding member 16 for holding the ball 15 at a position where the ball 15 is fitted into the recessed portion 27, and a lever 17 for moving the holding member 16 to a retracted position where the ball 15 is removed from the recessed portion 27. When the holding member 16 is moved to the retracted position with the operation of the lever 17, the ball 15 is removed from the recessed portion 27 to disconnect the piston rod 13 from the push rod 14 and release a brake. At the fitted position, a cover 36 of the lever 17 covers a display part 38 of the cylinder body 11, and at the retracted position, the cover 36 uncovers the display part 38. Thus, an unlocked condition or not is easily determined with visual check. <P>COPYRIGHT: (C)2005,JPO&amp;NCIPI

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