Patent ID: 6254082
Filing Date: 2001-07-03
Classification: B65H,F16K,Y10T

Abstract:
A rotary valve, which is interposed between first and second air sources for supplying air having a pressure that is one of higher than atmospheric pressure and lower than atmospheric pressure, and at least one air unit that performs a predetermined operation upon reception of the air supplied from said first and second air sources, to supply/stop supplying the air, comprising:a valve body rotatably driven in a cylinder;a main body for rotatably supporting said valve body;a notch formed in a circumferential surface of said valve body to be connected to said first air source; anda first hollow portion formed in said valve body in an axial direction and having, in an end face of said valve body, an opening through which said first hollow portion is connected to said second air source, wherein said valve body rotates in an interlocked manner with operation of a printing press.