Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Head having counter-sinking means
Patent
1997-06-27
1999-03-09
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Head having counter-sinking means
411188, 411424, F16B 3506, F16B 39282
Patent
active
058791191
ABSTRACT:
The bucket elevator construction bolt comprises a flat head and a threaded shaft, the bolt further incorporating a collar adjacent the head, the collar including a plurality of elongate, radially arrayed spline teeth which engage within the material of the elevator belt, maintaining the bolt position against radial torque or vibratory forces applied thereto.
REFERENCES:
patent: 519411 (1894-05-01), North et al.
patent: 1936769 (1933-11-01), Olivet
patent: 1968516 (1934-07-01), Dieter
patent: 2056688 (1936-10-01), Peterka et al.
patent: 3731961 (1973-05-01), Becker
4B Elevator Components Limited
McManus Kajane
Wilson Neill
LandOfFree
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