Flexible tube expander extension assembly

Details Flexible tube expander extension assembly Flexible tube expander extension assembly

1986-07-10

1988-01-05

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72123, 464112, 29727, B21D 4102

Patent

active

047167530

ABSTRACT:
A flexible extension assembly for use with a tube expander of the type having an expanding head which has internal apparatus driven for tube expansion by a drive device connected coaxially thereto with a spacer for locating the expanding head at a predetermined distance from the end of the tube to be expanded. The flexible extension assembly comprises a rigid hollow extension segment pivotably connected at one end to the expanding head and pivotably connected at the other end to the spacer so that the extension segment is pivotable into and out of coaxial alignment with the tube to be expanded, and an extension link slidably carried in the hollow rigid extension segment and pivotably connected at one end to the internal apparatus and pivotably connected at its other end to the drive shaft so that the extension link is pivotable with the extension segment into and out of coaxial alignment with the tube to be expanded.

REFERENCES:
patent: 1314601 (1919-09-01), McCaskey
patent: 1530381 (1925-03-01), Leedom
patent: 2649889 (1953-08-01), Dudley
patent: 3854314 (1974-12-01), Martin
patent: 4134286 (1979-01-01), Martin
patent: 4196609 (1980-04-01), Sugino et al.
patent: 4232442 (1980-11-01), Brunaud
patent: 4242893 (1981-01-01), Diller
patent: 4472075 (1984-09-01), Forni
Airetool Tube Cleaners Tube Expanders Catalog CE-102, Dresser Industries, Inc., pp. 26, 37, 38, 40, 41, and 42.

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