B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 7/024 (2006.01)
Patent
CA 2720040
A vise provided with a movable jaw device having separated approaching and clamping steps in a bending machine die, said vise (4) having a fixed jaw portion (7) and a movable jaw device (10) comprising a body (6) having two abreast supporting walls (8, 9), on an external side of one of which an operation mechanism (20) of the movable jaw is mounted, and upper edges (31, 32) of the supporting walls acts as cams for opposite spindles (29, 30) laterally projecting from one hydraulic cylinder (28) that is swing mounted on the movable jaw (11). The upper edges (31, 32) have two respective notches (33, 34) designed to receive the projecting spindles (29, 30) in such a way that the extension of the rod (27) of the hydraulic cylinder (28), being locked in position by its projecting spindles (29, 30) in the respective notches (33, 34), keeps the movable jaw (11) in closed position.
La présente invention concerne un étau pourvu d'un dispositif de mâchoire mobile présentant des degrés séparés de rapprochement et de serrage dans une filière de cintreuse. Cet étau (4) comporte un élément de mâchoire fixe (7) et un dispositif de mâchoire mobile (10) comprenant un corps pourvu de deux platines supports disposées de front (8, 9). Le côté extérieur de l'une des platines est équipé d'un mécanisme de mise en uvre (20) de la mâchoire mobile. Les bords supérieurs (31, 32) des platines servent de cames à des axes opposés (29, 30) débordant latéralement d'un vérin hydraulique (28) qui est monté oscillant sur la mâchoire mobile (11). Les bords supérieurs (31, 32) comportent chacun deux encoches (33, 34) conçues pour recevoir les axes débordants (29, 30) de façon que l'extension de la tige du vérin hydraulique (28), qui reste bloqué par ses axes débordants (29, 30) dans les encoches correspondantes (33, 34), maintienne fermée la mâchoire mobile (11).
Cml International S.p.a.
Gowling Lafleur Henderson Llp
LandOfFree
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