20090008196 | Multistage Adjusting Device - A cylindrical body, a plurality of grooves formed on an inner wall surface of the cylindrical body, and a device main body provided with an adjusting body disposed in the cylindrical body and rotatable in an inner circumferential direction of the cylindrical body can be provided. Further, the grooves can be formed continuously or intermittently along a longitudinal direction of the cylindrical body. A plurality of control members can be disposed along a longitudinal direction of the adjusting body. The control member can be provided with a ball projected from a side surface of the adjusting body and urged to engage with the grooves. At least one ball provided for one control member can be located between adjacent grooves and a ball provided for another control member can be engaged with one of the groove. | 01-08-2009 |