| 主权项 |
1. A stamping machine for stamping a stamping strip on a support in sheet form comprising:
a platen press comprising a fixed platen and a moving platen opposing each other, the moving platen effecting a reciprocating movement perpendicular to the plane of the platens when the platens are stamping, to provide a period of contact between the platens, wherein a stamping force between said platens is substantially constant throughout said period of contact; at least two articulated members forming toggle joints for imparting the reciprocating movement to the moving platen; and a rotatable camshaft bearing at least one cam per articulated member which forms one of the toggle joints, each articulated member forming a toggle joint comprising a connecting member collaborating with one of the cams borne by the camshaft, by the cam having a cam surface shaped for moving the collaborating articulated member to reciprocate the moving platen; wherein each cam comprises a sector having a radius substantially equal to the maximum radius of the cam, and wherein the sector extends at least 25° around the cam. |
