Door/hatch actuation

Details Door/hatch actuation Door/hatch actuation

1989-03-01

1991-05-28

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft structure

Details

49339, 49344, 16369, 16 78, B64C 114

Patent

active

050186876

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.

REFERENCES:
patent: 1716707 (1929-06-01), Schoelkopf
patent: 4429491 (1984-02-01), Bruns
patent: 4479622 (1984-10-01), Howse
patent: 4510714 (1985-04-01), Kasper et al.

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