B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 5/04 (2006.01) B21D 11/22 (2006.01)
Patent
CA 2532137
A bending brake for sheet material includes frames; an upper jaw and a lower jaw that cooperate to hold the sheet material a bending surface pivotally connected to the lower jaw to bend the sheet material against an anvil of the upper jaw; an interlocking unit connected to the frame and having a cam surface which has having a locking position; and an elongated pipe assembly for rotation by a user. The elongated body bears against the cam surface and rests in the locking position to clamp the sheet material with reduced freedom of play.
Anderson Carl
Jablonski Kevin
Alum-A-Pole
Shapiro Cohen
LandOfFree
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