UNFOLDING WING OF TWO-STAGE ROCKET Russian patent published in 2013 - IPC F42B10/14 

FIELD: weapons and ammunition.

SUBSTANCE: wing and unfolding mechanism are arranged independently at different stages of the rocket. Unfolding mechanism is composed of revolving crank consisting of lever and pin fitted in thrust bearing. Pivot pins of wing and lever are aligned. Said lever is fitted on its pivot pin to revolve thereon and locked by pyro retainer fixed at said lever. Thrusts are fitted on lever pivot pin and on lever proper to accommodate contraction spring there between. Said lever if furnished with pins to interact with seats made in wing rear edge. Wing unfolds behind its rear edge by means of two pins fitted on said lever.

EFFECT: reduced unfolding forces, decreased weight.

7 dwg