DEVICE FOR CRUSHED LARGE PRECAST PANEL BUILDING FRAGMENT FIXING AND RETAINING Russian patent published in 2005 - IPC

FIELD: life-saving equipment.

SUBSTANCE: device comprises side triangular support with ribs integrally formed with the first semispherical rest and thrust rotary bar with screw regulator arranged in center thereof. Thrust bar is integrally formed with the second semispherical rest and connected with the first semispherical rest by hinge. Side triangular support has rack mechanism including cylindrical tooth gear mounted on shaft connected to side triangular support ribs and rack integrally formed with base rib of side triangular support and upper semispherical rest. The ribs are formed as two length-adjustable bars made as hollow cylinders and rods arranged therein. Cylinders have orifices for fixing split pins.

EFFECT: simplified structure and extended range of operational capabilities.

7 dwg