Torque-limiting fastener

Details Torque-limiting fastener Torque-limiting fastener

1999-01-18

2000-07-04

Saether, Flemming

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

Torque responsive nut or bolt driving connection

Resilient connection

411911, F16B 3100

Patent

active

060829419

ABSTRACT:
A torque-limiting fastener in which a threaded member having a drivable head portion is rotationally mounted within a capsule containing a calibrated spring loading element which is adapted to be compressed in one direction of rotation and released in the opposite direction of rotation, the capsule frictionally engaging the drivable head portion in the one direction of rotation until the compressed spring element exerts sufficient axial force to overcome the frictional engagement between the capsule and the drivable head.

REFERENCES:
patent: 3273443 (1966-09-01), Rubin
patent: 3383973 (1968-05-01), Gazal
patent: 3929054 (1975-12-01), Gutshall
patent: 4046052 (1977-09-01), Nordstrom
patent: 4512697 (1985-04-01), Cascini
patent: 4898429 (1990-02-01), Plumer
patent: 5297429 (1994-03-01), Brown
patent: 5653481 (1997-08-01), Alderman

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