Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Metallic resilient securing means
Patent
1998-05-06
2000-08-15
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Metallic resilient securing means
411107, 411360, 411970, 411999, F16B 2118, F16B 3900
Patent
active
061026409
ABSTRACT:
An annular recess is formed in an inner periphery defining a bolt shank bore and has fitted therein an annular elastic member having elasticity radially thereof and having an inside diameter smaller than the outside diameter of the shank of a bolt. The shank bore has at an intermediate part thereof a stepped portion so as to give an increased diameter to a bore portion from the intermediate part to one end of the bore, and a hollow cylindrical member for preventing the elastic member from slipping out is inserted in the shank bore from the bore end so as to form a clearance between the stepped portion and the preventing member, whereby the annular recess is formed.
REFERENCES:
patent: 2761484 (1956-09-01), Sternick et al.
patent: 3217774 (1965-11-01), Pelochino
patent: 3255799 (1966-06-01), Heimovics
patent: 4934888 (1990-06-01), Corsmeier et al.
patent: 5040917 (1991-08-01), Camuffo
patent: 5388940 (1995-02-01), Herren
Kojima Tetsuya
Morokoshi Hiroshi
Shinohara Tsutomu
Yamaji Michio
Yokoyama Kosuke
Fujikin Incorporated
Wilson Neill
LandOfFree
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