ROAD GUARD Russian patent published in 2006 - IPC B61L29/02 

FIELD: railway transport; road transport.

SUBSTANCE: invention relates to devices designed to prevent moving of road vehicle onto railway crossing at approach of train or on guarded territory of enterprise. Proposed device contains support base on which cover is hinge-secured and drive shaft is installed one end of which is rigidly connected with cover coaxially with hinge joints, and the other is rigidly secured on drive bracket connected with drive gate. Device is furnished with adjustable spring shock absorbers hinge-secured by some ends on support base and by other ends to drive bracket from opposite sides so that, with cover lowered down, springs of both spring shock absorbers are deformed by full values of their operating deformations, and with cover raised, springs of both spring shock absorbers are deformed by value of their preliminary deformation.

EFFECT: improved reliability of device, reduced cost of manufacture and servicing.

4 dwg