Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Patent
1989-01-27
1990-11-20
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
411344, 411546, 411386, F16B 2100
Patent
active
049715020
ABSTRACT:
A fastening bolt set is disclosed which is used for attaching an object to a structure, and which comprises an ordinary bolt with a hexagonal or circular head, an internal washer having a long shape and having an annular projection, an external washer having an annular projection, and an ordinary nut for final tightening, all of the above components being connected by a string. This device is used where the back side of the structure is unreachable by hand or by means of a tool, and the working method is such that the bolt and the internal washer are sequentially inserted through the fastening hole, and the string connected to the bolt and the washer is pulled out of the fastening hole. Then the head of the bolt and the internal washer are combined together, the body of the bolt is passed through the fastening hole, and the head of the bolt and the internal washer are halted at the back side of the fastening hole. Then the external washer and the nut are put to the outwardly extended bolt body to finish the fastening by tightening the nut.
REFERENCES:
patent: 1356404 (1920-10-01), Robinson
patent: 1521024 (1924-12-01), Hubener
patent: 1542645 (1925-06-01), Saucke
patent: 2731065 (1956-01-01), Powers
patent: 3146010 (1964-08-01), Dellith
patent: 3473431 (1969-10-01), King
patent: 4637638 (1987-01-01), Rush
Feix Donald C.
Freiburger Thomas M.
Saether F.
Smith Gary L.
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