Ballistically tolerant actuator

Details Ballistically tolerant actuator Ballistically tolerant actuator

1983-01-10

1989-05-23

Look, Edward K.

Expansible chamber devices

Piston

Plural separable parts

92168, 921701, F16J 100

Patent

active

048319201

ABSTRACT:
Piston (25) and/or gland (20) structure for a hydraulic actuator (10) includes a plurality of deformable plate members (40, 45, 90 and 95) interconnected at a plurality of locations thereon by frangible fasteners (50). The fasteners are highly loaded in shear and fracture under conditions of abutment of the piston or gland with a ballistically damaged portion of the actuator thereby allowing the plate members to deform around the damaged portion, thus preventing jamming of the actuator.

REFERENCES:
patent: 497358 (1893-05-01), Strong
patent: 1964865 (1934-07-01), Tear
patent: 2409842 (1946-10-01), Eaton
patent: 2542376 (1951-02-01), Torresen
patent: 2815994 (1957-12-01), Lippman et al.
patent: 3884127 (1975-05-01), Simmons
patent: 4088053 (1978-05-01), Tyree
patent: 4122759 (1978-10-01), Runkel et al.
patent: 4211151 (1980-07-01), Wallischeck
patent: 4300439 (1981-11-01), Degan et al.

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