Patent ID: 6257847
Filing Date: 2001-07-10
Classification: A61M,F04B

Abstract:
A vacuum regulator device for a vacuum pump having a rigid member movably mounted relative to a second member to form a pressure region therebetween when said rigid and second members are moved away from each other, comprising a disk-shaped rotary valve member having a generally planar inboard surface and mounted for rotational movement on said rigid member, an aperture being formed through said valve member, and at least one hole formed through said rigid member in communication with said pressure region, said valve member having a first position wherein said valve aperture and said rigid member hole are aligned to place said pressure region in communication with atmosphere, and a covered position wherein said valve aperture and said rigid member hole are unaligned with said valve member closing said rigid member hole, said valve member having at least a portion exterior to the pump adapted to be manipulated by hand to effect said rotational movement.