Torque limiting bolt having retained shear pins

Details Torque limiting bolt having retained shear pins Torque limiting bolt having retained shear pins

1992-02-13

1993-10-26

Luebke, Renee S.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Torque responsive nut or bolt driving connection

Frangible connection

411 8, 411396, 411916, F16B 3100

Patent

active

052560155

ABSTRACT:
Torque limiting bolt employs a number pins which shear upon the application of a predetermined torque to the bolt head. The bolt configuration insures that sheared portions of the pins are held within the bolt head to prevent undesirable scattering of the pin portions on an airstrip. A removal hex head is thinner than a driving hex head positioned over the removal hex to discourage the application of a wrench directly to the removal head. The outermost portions of the hex heads are also angularly displaced from each other for this purpose.

REFERENCES:
patent: 1380395 (1921-06-01), Korach
patent: 3267792 (1966-08-01), Yackle
patent: 3460428 (1969-08-01), Charles
patent: 4144796 (1979-03-01), Richter et al.
patent: 4167886 (1979-09-01), Seghezzi et al.
patent: 4177352 (1979-12-01), Dunbar et al.
patent: 4904145 (1990-02-01), Koutsoupidis
patent: 4964773 (1990-10-01), Schmidt

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