Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Bulged by axially contracting ends
Patent
1991-10-09
1992-06-09
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Bulged by axially contracting ends
411 38, F16B 1304
Patent
active
051201690
ABSTRACT:
A blind insert having a compressible plastic bushing having a flange at one end which merges into a first cylindrical portion and a second reduced diameter cylindrical portion at the other end. A metallic end cap is secured on the free end of the plastic bushing and is spaced from the first cylindrical portion and the dimension of the first and second cylindrical portions are selected so that as a screw is inserted into the fastener the first cylindrical portion will bulge outwardly and rearwardly to extend over the open end of the cap to forcefully center the cap to prevent tearing of the bushing.
REFERENCES:
patent: 2125018 (1938-07-01), Hamill
patent: 2525736 (1950-10-01), Taylor
patent: 3017800 (1962-01-01), Cohen
patent: 3348444 (1967-10-01), Brignola
patent: 3834270 (1974-09-01), Triplett et al.
patent: 4776737 (1988-10-01), Wollar
patent: 5051636 (1991-09-01), Ishimoto et al.
Emhart Inc.
Lindsey Rodney M.
Smith Spencer T.
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