Coupling element

Joints and connections – Rod end to transverse side of member – Utilizing opposite sides of member

Patent

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Details

403189, 403171, B25G 300, F16B 900, F16L 4100

Patent

active

043347975

ABSTRACT:
A coupling system is described for the detachable assembly of two building elements, the first having a slot for receiving the head of a lock bolt and the second having an elongated cavity for receiving the shank of the lock bolt; and a lock assembly comprising an elongated casing adapted to fit within said cavity, the inner portion thereof being provided with an insert body movable in a direction lateral to said casing and the innermost portion thereof being provided with a leaf spring engaging said insert during assembly of the system, the insert body being provided with a central axial opening for receiving said lock bolt shank and a threaded bore connecting an outerface thereof and said central opening for receiving a locking screw for said bolt and an annular projection on said outer face surrounding said threaded bore for engaging a hole provided in a face of said second building element. The leaf spring is adapted to engage during assembly first said insert body to urge the same laterally to facilitate engagement of said annular projection with the hole in said second building element to lock the same axially and later to engage the inner end of said bolt shank and urge the same outwardly in the longitudinal direction of the bolt.

REFERENCES:
patent: 3580620 (1971-05-01), Offenbroich
patent: 3672710 (1972-06-01), Kroopp

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