HATCH COVER ATTACHMENT TO CEILING Russian patent published in 2010 - IPC B61D17/16 

FIELD: transport.

SUBSTANCE: invention relates to transport machine building. Proposed attachment comprises clamp 3 attached to cover 1, bracket 4 arranged on ceiling 2 and pivot pin 5 to secure cover to ceiling. Pivot pin and clamp arte arranged on opposite sides of the cover. Attachment is furnished with folding rod 9 consisting of pivoted double link with its upper link 10 hinged to the bracket and furnished with first return spring 11, and its lower link 12 furnished with second return spring 13. Locking element 14 is arranged on second link free end. Upper link is furnished with the device designed to effect angular adjustment of locking element 14. One of flanges 16 of the clamp has inclined bent end 17 to interact with locking element.

EFFECT: higher safety.

3 cl, 5 dwg