Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1992-05-07
1994-06-07
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411223, F16B 3708
Patent
active
053183975
ABSTRACT:
A mechanical tensioner for elongating and relaxing a stud having an axis and arranged in an object, comprises at least two parts including a first part connectable with the stud and a second part connected with the first part, and a friction element which cooperates with at least one of the parts so as to change a coefficient of friction between the parts so that one of the parts has a higher coefficient of friction than another part and when a force is applied to at least one of the parts in a transverse direction to the axis, the second part moves only in the transverse direction and the first part moves only in an axial direction to move the stud in the axial direction.
REFERENCES:
patent: 443117 (1890-12-01), Sharaf
patent: 794781 (1905-07-01), Clausen
patent: 1109295 (1914-09-01), Lampert
patent: 3435777 (1969-04-01), Schaaf
patent: 3565472 (1971-02-01), Sjoholm
patent: 4240670 (1980-12-01), Zorn et al.
patent: 5137408 (1992-08-01), Junkers
Lindsey Rodney M.
Striker Michael J.
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