| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lubricating structure of a working device, equally supplying a lubricant to a sliding contact surface of an eccentric cam and a crank member without being influenced by a lubricant to be used and a use environment. <P>SOLUTION: This lubricating structure of the working device is such that a driven gear 12 engaged with a driving gear 11 linked to a driving source, and turning is stored in a storage chamber 3 of a case 3, an eccentric cam 13 is installed on a first surface 12a of the driven gear 12, the eccentric cam 13 and a connection pin 5a of a blade 5 are connected to each other via a crank member 16, an engaging ring part 16b is installed on one end of the crank member 16, and the eccentric cam 13 is inserted into the engaging ring part 16b in a relative rotatable manner. Furthermore, a circular groove 30 is formed in an inner peripheral surface of the engaging ring part 16b facing the outer peripheral surface of the eccentric cam 13, the circular groove 30 is communicated with a first chamber 33a through a first lubricating passage 31, and is communicated with a second chamber 33b through a second lubricating passage 32, and the first chamber 33a has a high pressure compared to the second chamber 33b. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
