Shaft coupling structure and fluid pressure apparatus

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United States of America Patent

PATENT NO 10767671
SERIAL NO

16490770

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Abstract

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A shaft coupling structure includes a stopper member attached to a piston rod so as to be relatively rotatable and has a plurality of engagement projections and a plurality of slot grooves. The plurality of engagement projections are inserted into the slot grooves, respectively, and include a plurality of inlet grooves and a plurality of inclined engagement grooves extending in a direction inclined from the circumferential direction. The piston rod and a piston member are coupled together through the stopper member so as to be relatively unmovable in the axial direction.

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Patent Owner(s)

Patent OwnerAddress
SMC CORPORATION14-1 SOTOKANDA 4-CHOME CHIYODA-KU TOKYO 101-0021

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tamura, Ken Noda, JP 41 163

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