Patent ID: 6357134
Filing Date: 2002-03-19
Classification: G01B,Y10S

Abstract:
A height gauge comprising:a base movable on a platen; a column having a first side and a second side vertically provided on the base, wherein the second side abuts the first side; a slider elevatable along the column on the first side and having a probe attached to a first surface of the slider; a displacement sensor for detecting a displacement amount of the slider in a height direction; an air-flotation mechanism for floating the base against the platen by blowing out air from the base to the platen; and a handle, operable with a user's single hand, attached on the second side of the column near the base or attached on the base by the second side of the column, the handle having a first side that faces a same direction as the first surface and a second side that faces a direction opposite the first surface, the handle having an air-flotation control switch for controlling supply and cut-off air to the air-flotation mechanism.