Method of producing a stabilized bolt joint between a timber ele

Metal working – Method of mechanical manufacture – Assembling or joining

Patent

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298973, B23P 1102, F16B 4302

Patent

active

051505096

ABSTRACT:
In order to stabilize a timber bolt joint against coming loose when the timber shrinks the bolt hole in the timber element is made with oversize and a bushing of Nylon is inserted with tight fit in the hole, the bushing having substantially the same length as the hole. When the bolt nut is tightened it is primarily the bushing, which is clamped, and thereafter the stability of the joint will be safeguarded even if or when the timber shrinks.

REFERENCES:
patent: 1055706 (1913-03-01), Burton
patent: 1399942 (1921-12-01), Dowd
patent: 2883012 (1959-04-01), Hoffman
patent: 3296691 (1967-01-01), Bien
patent: 3298725 (1967-01-01), Boteler
patent: 3333874 (1967-08-01), Gelfarb
patent: 4383478 (1983-05-01), Jones
patent: 4475859 (1984-10-01), Oliver

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