Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Comprising a thread lock
Patent
1987-04-16
1989-06-20
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Comprising a thread lock
411307, 411366, 411426, 411436, F16B 3928, F16B 3930
Patent
active
048405264
ABSTRACT:
A gripping device for tensioning a screwing element (2) which, at its free end, has an outer profile matching the inner profile of an engaging member (4). The screwing element (2) has an outer profile with teeth (20) of constant pitch and of constant cross-section, the mean diameter of which is generated by a truncated cone, and the engaging member (4) has an inner profile with teeth (40) of constant cross-section and of a constant pitch slightly greater than that of the screwing element (2) and generated on a conical bore of the same conicity as the outer profile (20) of the screwing element, the engaging member (4) being provided with a bearing zone (41c) which supports and transmits the forces and which is located on the peripheral part of the latter.
REFERENCES:
patent: 3079181 (1963-02-01), Van der Wissel
patent: 3140636 (1964-07-01), Grimm
patent: 4169630 (1979-10-01), Wagner
patent: 4346920 (1982-08-01), Dailey
patent: 4550937 (1985-11-01), Duret
patent: 4571135 (1986-02-01), Martin et al.
Framatome
Wilson Neill R.
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