Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Multipart
Patent
1991-09-20
1993-08-10
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Multipart
411107, 411337, F16B 3502
Patent
active
052343006
ABSTRACT:
The fastening means consists of a screw and a sleeve held rotatably in such a manner on the screw that the screw and the sleeve can be rotated by means of a tool simultaneously or subsequently. The sleeve is held on the screw on the one hand by an annular projection and on the other hand by a widened tubelike edge. This design allows a simple production and assembling of screw and sleeve on a machine.
REFERENCES:
patent: 1705086 (1929-03-01), Ferguson
patent: 3667338 (1972-06-01), Johansson
patent: 4655656 (1987-04-01), Jonsson
Hueschen Gordon W.
Lindsey Rodney M.
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