Bolt for truss, wherein the bolt has shaft portions separated by

Details Bolt for truss, wherein the bolt has shaft portions separated by Bolt for truss, wherein the bolt has shaft portions separated by

1995-01-09

1996-09-24

Saether, Flemming

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Headed bolt or screw with threads and complementary nut

411353, 411383, 411999, F16B 3502

Patent

active

055584802

ABSTRACT:
A bolt for a truss includes a main body having a head portion, and a shaft portion which extends from the head portion. The shaft portion includes a base portion with a polygonal cross-section at a head portion side of the shaft portion. A threaded portion extends from the base portion, and an annular groove is arranged between the base portion and the threaded portion. A polygonal tube having a polygonal cross-section is engaged with the shaft portion of the main body such that the polygonal tube is slideable and non-rotatable on the base portion. A stopper prevents release of the polygonal tube from the shaft portion, the stopper including a plastic ring having a peripheral surface on which plural engaging protrusions are formed, the ring being integratedly embedded in the annular groove.

REFERENCES:
patent: 1172644 (1916-02-01), Trester
patent: 1335613 (1920-03-01), Selle
patent: 3368602 (1968-02-01), Boyd
patent: 3418869 (1968-12-01), Herpich
patent: 4729707 (1988-03-01), Takahashi
patent: 5026233 (1991-06-01), Carothers
patent: 5059075 (1991-10-01), Kelly

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