Sheet metal bending brake

Details Sheet metal bending brake Sheet metal bending brake

2011-06-07

2011-06-07

Sullivan, Debra M (Department: 3725)

Metal deforming

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

Clamp structure constitutes sole initial metal-deforming...

Reexamination Certificate

active

07954352

ABSTRACT:
A bending brake assembly for manually bending pieces of sheet metal material including a base supporting a plurality of c-shaped members presenting opposing clamping surfaces for receiving the sheet metal material. An extension extends away from the clamping surfaces with a socket connection rotatably supporting a bending member on the base for bending the sheet metal material disposed between the clamping surfaces. The socket connection includes a male portion and a female portion in sliding engagement with one another as the bending member moves between a pre-bending position, a first operating position, and a second operating position. A finger extends from the male portion and defines a gap between the finger and the extension when in the pre-bending position with the finger maintaining the gap as the finger moves from the pre-bending position to the first operating position and the finger engaging the extension when in the second operating position.

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