Self-retracting, drag-free lug for bombs

Details Self-retracting, drag-free lug for bombs Self-retracting, drag-free lug for bombs

1990-07-31

1991-10-15

Brown, David H.

Ordnance

Bomb, flare and signal dropping

89 1819, 102382, B64D 104, F41F 500

Patent

active

050564080

ABSTRACT:
A self-retracting bomb suspension lug assembly for being releasably supported by a hook or the like of an airplane bomb rack. The lug is mounted within a housing for axial movement and has an outer surface conforming to the shape of the bomb so as to eliminate aerodynamic drag when the bomb is released. Springs, such as a stack of Belleville springs, are disposed for biasing the lug inward when the bomb is released and the weight of the bomb no longer bears on the lug. Finger springs and pawls engagable with a groove in the bottom surface of the lug are provided to maintain the lug in partially extended loading position wherein the top of the lug is accessible for being grasped. To cock the lug, it is moved slightly inward against the force of the lug biasing spring, and the finger springs are forced radially inward to engage the groove. Upon grasping of the top of the lug, the weight of the bomb forces it to become fully extended, releasing the pawls from the grooves and clearing a downward path for full retraction of the lug when the weight of the bomb is released.

REFERENCES:
patent: 2836117 (1958-05-01), Lankford
patent: 3153580 (1964-10-01), Kongelbeck
patent: 3195406 (1965-07-01), Toomey
patent: 3379131 (1968-04-01), Webb
patent: 3967529 (1976-07-01), Ingle et al.
patent: 4170923 (1979-10-01), Kilmer
patent: 4392411 (1983-07-01), Minkler
patent: 4842218 (1989-06-01), Groutage et al.

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