| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reduction gear, in which the occurrence of backlash and the wear of a through-pin can be suppressed. <P>SOLUTION: The reduction gear includes: a ring gear with a plurality of gear teeth formed in the inner circumference of a hollow part; a revolution gear having a plurality of gear teeth meshed with gear teeth in the inner circumference of the ring gear; a first revolution shaft which makes the revolution gear revolve the revolution gear around the center axis by making a round cam revolve provided to be rotatable at the center of the revolution gear; the through-pin which is inserted into a through-hole of the revolution gear; first and second covers having a connection hole through which the through-pin inserted to be connected, and storing the revolution gear into the hollow part of the ring gear; a second rotary shaft connected to the second cover and outputting the turning by the revolution of the revolution gear; and an elastic part contacting with the connection hold and the through-pin, and having elasticity, wherein the total area where the elastic part contacts with the through-pin is larger than the total area where the elastic part contacts with the connection hole. <P>COPYRIGHT: (C)2013,JPO&INPIT |
