EMERGENCY ESCAPE-VENT HATCH ON VEHICLE CAB ROOF Russian patent published in 1995 - IPC

FIELD: transport. SUBSTANCE: emergency escape-vent hatch has cab cover installed by means of special frame in hatch aperture, cover opening mechanism and sealing strip. Hatch cover opening mechanism has two symmetrically arranged hand grips freely rotating in brackets and four rods with springs which are coupled with frame and brackets. Frame is installed on cab body by means of hangers and lock. Hanger is hinge-secured on outer part of cab body, is furnished with additional sealing strip and installed so that, with hatch cover closed, it forms, together with hatch cover, a common sealing surface. Lock of locking device is rigidly secured on cab body and it has locking lever installed on cab body by means of bracket and rubber torsion stop which serves simultaneously as stop for frame bracket. EFFECT: enlarged operating capabilities. 2 cl, 8 dwg