Mechanical expansion device for internally clamping assembled ho

Details Mechanical expansion device for internally clamping assembled ho Mechanical expansion device for internally clamping assembled ho

1984-10-16

1986-06-24

Kundrat, Andrew V.

Joints and connections

Member ends joined by inserted section

Expansible section

403295, 403205, F16B 700

Patent

active

045964874

ABSTRACT:
A mechanical expansion device for internally clamping assembled hollow sections includes at least two angle pieces (10) and (10') which fit inside a section (1), and at least two spherical cups (8) and (9) spaced on a rod (7) and placed between the two angle pieces. One cup (8) bears on the inner face of the angle pieces and the other cup (9), of a slightly larger diameter, bears on the inner face of the section (1) at the end of the angle pieces. Clamping is effected by flattening the cups to increase their diameters.

REFERENCES:
patent: 3051517 (1962-08-01), Yalen
patent: 3304108 (1967-02-01), Hamilton et al.
patent: 3606408 (1971-09-01), Wagner
patent: 3858990 (1975-01-01), Busselmeier
patent: 3945743 (1976-03-01), Koch

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