Patent ID: 6386598
Filing Date: 2002-05-14
Classification: B65D,E05B,E05C,Y10T

Abstract:
A locking power clamp assembly for repetitive use in uniformly and securely clamping a closure member over a container opening,said clamp assembly comprising: a clamp arm member having a clamping contact surface thereon, said clamp arm member being of elongated dimension and being capable of generally rotational movement, such that when the clamp assembly is opened, the clamp arm member will move in a generally perpendicular direction away from the plane of the closure member and also will move in a radial direction away from a peripheral edge of the closure member, at least one frame member, at least two link arm members, each being of different length, a fluid operated piston and cylinder assembly, with a piston being connected to one of the link arm members, and a cylinder being connected to said frame member, and a rotator member secured to the frame member to support and assist proper movement of the clamp arm member, said rotator member having a central aperture for receiving said clamp arm in sliding rotation, said rotator member having a pair of outer rings for receiving said frame member in rotational relation.