Shear or compression release lock

Details Shear or compression release lock Shear or compression release lock

1978-04-06

1983-08-30

Blix, Trygve M.

Aeronautics and astronautics

Aircraft structure

Passenger or cargo loading or discharging

2441181, 410 78, 410 69, B64D 900, B60P 713

Patent

active

044012861

ABSTRACT:
A lock for a pallet to be discharged from aircraft in flight by deploying a parachute connected to the pallet behind the aircraft. The loaded pallet or container is locked in place by one or more abutments until the tension applied by the opened parachute reaches a predetermined value. Each abutment is maintained in locked position by pressure responsive lock mechanism. This lock mechanism may be in the form of a punch and penetrable fuse plate, or a compressible or deformable fuse adapted upon predetermined loading to yield a predetermined amount. The lock mechanism is carried by a rail extended longitudinally of the aircraft which is adapted to move between an upright operating position in which it overlies an edge of a pallet, and a lowered position in which it is beneath the pallet supporting surface.

REFERENCES:
patent: 874150 (1907-12-01), Young
patent: 3210038 (1965-10-01), Bader et al.
patent: 3335983 (1967-08-01), Mollon et al.
patent: 3424410 (1969-01-01), Galaup
patent: 3724788 (1973-04-01), Petry et al.
patent: 3933101 (1976-01-01), Blas

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