Bolt with removable head

Details Bolt with removable head Bolt with removable head

1995-05-17

1997-07-15

Saether, Flemming

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

Externally threaded fastener element, e.g., bolt, screw, etc.

Separate head element

411542, 411389, F16B 3506

Patent

active

056477104

ABSTRACT:
A kit comprised of an elongated threaded bolt having two end portions and an intermediate threaded portion therebetween. The two end portions have Allen wrench drives formed therein. The device includes a pair of removable cap heads each having an inner surface and an outer surface. The inner surface has an internally threaded aperture formed therein. The internally threaded aperture is adapted for removable coupling with the two end portions of the elongated threaded bolt. The inner surface of the removable cap head has a circular groove formed therein surrounding the internally threaded aperture thereof for placement of an O-ring therein. The outer surface of the removable cap head has an Allen wrench drive formed therein.

REFERENCES:
patent: 1295873 (1919-03-01), Dodds
patent: 2752814 (1956-07-01), Iaia
patent: 4353509 (1982-10-01), Collet
patent: 4480513 (1984-11-01), McCauley
patent: 4770584 (1988-09-01), Vinciguerra
patent: 5222851 (1993-06-01), Dickerson

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