SPACECRAFT LIGHT-SHIELDING DEVICE COVER ASSEMBLY Russian patent published in 2021 - IPC B64G1/52 

FIELD: astronautics.

SUBSTANCE: invention relates to space engineering, and more specifically to operation of optoelectronic equipment. Spacecraft light-shielding device cover assembly comprises a frame, a cover, a hinged-and-leverage mechanism of a movable connection, spring compensators. Besides, assembly includes two fixation mechanisms, end position sensor and limiters stops. Hinged-leverage mechanism of movable connection is made in form of double crank-and-rocker mechanism. Cranks interact with L-shaped connecting rods. In closed and open positions of leaflets hinges of crankshafts, connecting rods and yokes are located on one straight line of "zero" line. Limit stops thrusts are installed with a gap to cranks when the latter turn beyond the "zero" line by 3° in extreme positions. Compensators are installed on the frame and interact with the flaps only in their closed position.

EFFECT: enabling higher reliability.

1 cl, 8 dwg