Patent ID: 8238778
Filing Date: 2012-08-07
Classification: F16F,G03G

Abstract:
1. An image forming apparatus having an image forming portion for forming an image onto a sheet, comprising: a vibration generating source; a holding member that holds the vibration generating source; a sealing member arranged between the vibration generating source and the holding member; a damping member made of an elastic member which is inserted in a through-hole formed in the holding member and is brought into pressure contact with the vibration generating source, the damping member having a retaining portion which is retained to a surface of the holding member on the side opposite to a holding surface of the vibration generating source and a main body portion which is inserted into the through-hole without contacting with the through-hole, is brought into pressure contact with the vibration generating source, and has a diameter smaller than a diameter of the through-hole so as not to contact the holding member; and a fixing portion that integrally fixes the holding member and the vibration generating source through the damping member.