Patent ID: 7699544

Claim:
A focal plane shutter for cameras comprising: a shutter base plate made of synthetic resin; an auxiliary base plate that at least one blade chamber is constructed together with the shutter base plate between the shutter base plate and the auxiliary base plate; at least one shutter blade including a plurality of arms and at least one blade component pivotally supported by the arms, one end of each of which is rotatably mounted to each of a plurality of blade mounting shanks set upright on the shutter base plate; at least one driving member rotatably mounted to a blade-chamber-outside surface of the shutter base plate and causing the shutter blade to perform an opening and closing operation by a driving pin passing through an arcuate slot configured in the shutter base plate and connected to one of the arms; and a shock absorbing member made from elastic material and mounted to one end of the slot so that the driving pin abuts on the shock absorbing member and thereby a rotation of the driving member is stopped, wherein the shutter base plate is configured with overhang sections on the blade-chamber-outside surface and a blade-chamber-side surface of the shutter base plate at one end of the slot so that the shock absorbing member is held between the overhang sections and the overhang section configured at least on the blade-chamber-side surface of the shutter base plate is provided within a thickness of the shutter base plate.