SMOOTH ADJUSTABLE SNAP GAUGE Russian patent published in 1998 - IPC

FIELD: check of various diameters and dimensions. SUBSTANCE: snap gauge is composed of body, immobile heel, mobile inserts with measurement jaws and insert locator. Inserts are composed of carriages and pendulum levers. Turn axle of each pendulum lever is put on carriage. Butt of long arm of lever carries measurement jaw. Each lever interacts with compensating element that takes up clearance in axis of turn and with power member that limits effort of contact of measurement jaws with tested part. Signal indicators are mounted for movement along levers in slots of pendulums of levers. Snap gauge can be manufactured so that immobile heel and pendulum levers are slewed in opposite directions. EFFECT: expanded technological capabilities and prolonged service life of snap gauge. 2 cl, 5 dwg