US 7,124,784 B2 · Ejector drive hub apparatus and method

Abstract

The present invention is an ejector drive hub. The ejector drive hub comprises an axial through hole in a cylinder with a slot in the circumferential side wall of the cylinder. The slot truncates less than 180° of the cylinder. The ejector drive hub has an engagement face for a cam or pawl to drive it rotationally. A radial through hole in the slot forms a communicating opening between the slot and the axial through hole. The ejector drive hub further comprises a mount adapted to maintain a drive pawl in operative position relative to the radial through hole. The ejector drive hub further has at least one notch for engagement of a latch to maintain the ejector drive hub in a stationary position during knotting. The ejector drive hub has a boss to actuate an ejector. The boss and the disc portion of the ejector drive hub are integrally fabricated from a single piece of material as by machining.

Claims19

Dependent claims

An ejector drive hub comprising:

a cylinder;
an axial through hole in said cylinder;
a slot in a circumferential side wall of said cylinder, said slot truncating less than about 180° of said cylinder;
a radial through hole in said slot forming an opening communicating between said slot and said axial through hole;
a notch in said side wall of said cylinder;
a mount adapted to maintain a drive pawl in operative position relative to said radial through hole;
a boss, said boss being on one side of said cylinder;
and
said boss being integrally formed with said cylinder.

6 more elements

Dependencies are inferred from the claim text.

Ejector drive hub apparatus and method

Life of this patent

Ejector drive hub apparatus and method

Life of this patent

Abstract

Claims19