Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Made up of plural expansible segments or sections
Patent
1991-06-21
1993-08-03
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Made up of plural expansible segments or sections
411353, 411387, 411510, F16B 1304
Patent
active
052323226
ABSTRACT:
A plurality of anchoring members are threaded onto the shaft of the fastener. These anchoring members include an annular body and a spacer. The anchoring members are held between an abutment of the shaft and a locking section thereof fixed against an axial displacement thereon. The anchoring members are present as structural members which are separate from the shaft and are merely threaded onto the shaft. It is accordingly possible to use a large number of variously designed anchoring members together with only one shape of the shaft, which reduces considerably the costs of the production and increases the universality of the fastener. Specifically the shaft and the anchoring members may be made of a metal such that the fastener can display in comparison with plastic fasteners a much higher rigidity.
REFERENCES:
patent: 1572770 (1926-02-01), Colley
patent: 3503431 (1970-03-01), Villo et al.
patent: 4129921 (1978-12-01), Greene
patent: 4131376 (1978-12-01), Busse
patent: 4287807 (1981-09-01), Pacharis et al.
patent: 4391544 (1983-07-01), Cadwallader
Lindsey Rodney M.
Vereinigte Drahtwerke A.G.
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