Importance

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Abstract

A mechanically operable actuating device for opening towards the outside and closing a cargo hatch or freight door in the fuselage of an aircraft comprises two hinges for connecting an upper side of the door or hatch to the fuselage; a first swivel joint floatingly mounts the upper end of a coupling member to a reenforcing part in the upper portion of the hatch or door; a second swivel joint floatingly connects a rocking arm to a hatch or door frame of the fuselage; a third swivel joint connects the rocking arm to the lower end of the coupling member; a fourth swivel joint connects one end of a gas pressure spring to the rocking arm so that the spring extends substantially parallel to the coupling member; and a fifth swivel joint connects an opposite end of the spring also to the upper end of the coupling member.

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First Claim