RETROREFLECTIVE DEVICE Russian patent published in 2016 - IPC G02B5/122 G02B7/18 

FIELD: instrument making.

SUBSTANCE: retroreflective device contains a metal housing in which following units are located: adjusting screw, support, lodgment, prismatic corner reflector with triangle side faces and corners cutoffs at the inlet face, support ring with ledge, fixing element. Reflector corners cutoffs are rounded. Mounting platforms supported on the lodgement end are made in the upper part of cutoffs in parallel with the inlet face. Lodgment is designed as a hollow perforated cylinder and directly rests on the base edge of the cone-shaped support, having separate stepped ribs, which create spring effect. Vertical groove from the inlet face to the mounting platform are made on the outer side of one of three reflector corners cutoffs. Other groove is vertically placed on the inner housing wall. Both grooves form a single channel, in which fixing ledge made on the support ring is introduced.

EFFECT: technical result consists in improvement of measuring range accuracy, temperature stabilization, increased vibration resistance.

1 cl, 3 dwg