| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rotary type cylinder device that improves durability of a bearing even in a case where a fluctuation load acts on a piston set assembled into an eccentric cam relatively rotating around a first crank shaft.SOLUTION: A rotary type cylinder device includes a pair of bearing holder 16a, 16b in which bearing holding parts 16c, 16d holding capable of bearings 18a, 18b respectively are formed. The bearings 18a, 18b are inserted from both ends into a cylinder hole 7a of an eccentric cam 7 into which a first crank shaft 6 is inserted; support the eccentric cam 7 so as to relatively rotate the eccentric cam 7 around the first crank shaft 6; and have a larger diameter than at least the cylinder hole 7a.</p> |
