DOOR HINGE DEVICE Russian patent published in 2016 - IPC E06B1/00 

FIELD: construction.

SUBSTANCE: invention relates to a door canopy, includes a spring portion disposed on
first block of door canopy for application of rotational force to door; shock absorbing portion disposed on second unit for canopy door applications shock absorbing force in opening or closing door, wherein shock absorbing portion comprises a cylindrical member within which first and second reservoirs are filled with oil; piston component linearly movable in close contact with inner side surface of cylindrical member, with division of cylindrical member into first reservoir and second reservoir, and a through-hole located in centre of part; a piston rod which is attached to piston member and which has a passage disposed in centre part in longitudinal direction of parts; tubular member, a sliding piston in through-hole parts, into which a duct for flow of oil; shock absorbing force adjuster, located at one end of cylindrical member, for locking tubular part, adjacent thereto, to adjust shock absorbing force; connecting rod attached and pulled out of other end of cylindrical member; and a motion converter disposed between connecting rod and piston rod for converting rotary motion of connecting rod into linear movement and transmitting linear motion to piston rod.

EFFECT: shock absorbing.

13 cl, 12 dwg