COLLAPSIBLE UMBRELLA WITH AUTOMATIC OPENING DEVICE Russian patent published in 1998 - IPC

FIELD: light industry. SUBSTANCE: umbrella has hollow pole made from telescopically connected pipes and collapsible sectioned cupola carcass connected with pole. Immovable sleeve is fixed on pole. Main pins are pivotally connected with immovable sleeve. Spacers are connected with movable sleeve disposed on pole. End pins are connected with spacers. Intermediate links are positioned between main and end pins to define parallelogram. Umbrella has crown for attachment of carcass with cupola, umbrella opening spring, handle with starting mechanism and sleeve damping device. Carcass has seven sections. End pins are provided with immovable pivot joints. Intermediate links are secured with their one ends in immovable pivot joints and connected with their other ends to lower part of main pins. EFFECT: simplified construction and enhanced reliability in operation. 8 cl, 4 dwg