Extenable tool and machine having the same

Details Extenable tool and machine having the same Extenable tool and machine having the same

1976-06-24

1978-05-16

Keenan, Michael J.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72478, B21D 3712

Patent

active

040891984

ABSTRACT:
Apparatus for making folds or bends of adjustable length in sheet metal. The apparatus includes a retractable chain-like die which can be shortened or lengthened so as to adjust the operative length of the die.

REFERENCES:
patent: 1721698 (1929-07-01), Krueger
patent: 2302958 (1942-11-01), Jensen
patent: 2564459 (1951-08-01), Berkson
patent: 2729265 (1956-01-01), Jones
patent: 3359771 (1967-12-01), Meyerchick

Affiliated with

Also associated with

Rating

Extenable tool and machine having the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extenable tool and machine having the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extenable tool and machine having the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1191749