Max Co., Ltd.

Mac Co., Ltd.

Mitsuteru Kurosawa

Toru Yoshie

Yuji Sakurazawa

The present invention is an improvement in a staple sheet cartridge for an automatic stapler where sheets of staples are delivered to the forming and driving section of the stapler by a conveyor belt. A retaining protrusion is formed on a guide member such that contact area of, and perpendicular force on the staple sheet are maximized without auxiliary magnetic means, allowing smooth, positive and consistent delivery of the staple sheets to the forming and driving section of the stapler.

Electric stapler cartridge

A stapler in which staple legs extending through the material to be bound by more than a given length are cut by cooperation between a movable and fixed cutting member. The movable member is moved in a direction orthogonal to the penetrating direction of the staple legs by rotation of a cam which also causes a driver to drive the staple through the material and also clinches the cut staple legs.

Mechanism for cutting staple legs in a stapler

An electronic stapler suitable to accommodate staples in the form of staple sheets, in which a predetermined number of unformed staple elements are connected adjacent to one another, and a number of these staple sheets are stacked and accommodated in a generally rectangular cartridge, which is placed above the staple sheet feed path of the stapler. The stapler includes a former-driver unit and a power source for driving the former and the driver is provided by a small-sized electric motor which requires no instantaneous high consumption of electric current and generates no impact operation sound and noise, and the clinching operation of one cycle is effected by one controlled rotation of a rotating drive shaft having a speed reduced from the rotational output of the electric motor. The staple sheets are fed by providing a staple sheet feed mechanism in which an endless belt for conveying the staple sheets, including the portion for positioning the cartridge, is arranged above the staple sheet feed path and in which magnetic means for generating a suitable frictional force is interposed between the face of that endless belt and the staple sheets.

Growing community of inventors

Tokyo, Japan

Mitsuteru Kurosawa