DEVICE FOR DETERMINING STRENGTH OF BUILDING MATERIALS Russian patent published in 1994 - IPC

FIELD: nondestructive inspection. SUBSTANCE: device comprises casing with spherical impact point and a dial meter of relative impact force. Casing is divided by partition into dust-and-moisture-proof chamber and a cavity accommodating impact force meter. Device also comprises adjusting mechanism in the form of spindle with fixing stop, calibrated weight and pusher. Force meter has the form of rod with limiting sleeve, spiral spring and inertia member with pins and bushes with scale indicator. EFFECT: improved design. 2 dwg