Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1988-06-30
1989-06-20
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 60, 411 72, 411908, F16B 1306
Patent
active
048405230
ABSTRACT:
A securing device includes an outer cylinder having a hollow cylindrical portion with a flange provided at one end, and an insertion member having a rod-like portion to be inserted into the outer cylinder. The hollow cylindrical portion of the outer cylinder has a plurality of slits open at the other end, an inwardly projecting portion provided at the other end, and a plurality of engagement ribs projecting outwardly from the outer periphery of the cylindrical portion. A rod-like portion of the insertion member has a head portion provided at one end, an intermediate large diameter portion having an outer diameter which is greater than the inner diameter of the inwardly projecting portion of the outer cylinder, and a small diameter portion having an outer diameter smaller than the inner diameter of the inwardly projecting portion of the outer cylinder. The small diameter portion is provided upon the side of the large diameter portion which is located nearer the head portion of the insertion member.
REFERENCES:
patent: 2968207 (1961-01-01), Flogaus
patent: 3832931 (1974-09-01), Talan
patent: 4312614 (1982-01-01), Palmer et al.
patent: 4637765 (1987-01-01), Omata
patent: 4674930 (1987-06-01), Poe et al.
Nifco Inc.
Wilson Neill R.
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