US 7,726,928 B2 · Binding processing apparatus

Abstract

A binding processing apparatus 1 is provided with a punch mechanism 2 and a binding processing mechanism 3 for executing a binding processing by a binder. When a sheet P is fed from a printing apparatus 50 of a copier or the like, the sheet is butted to a stopper plate 9 of the punch mechanism, sheet aligning sliders 10 push both left and right sides thereof to position and punch holes are formed by a punch block 7 and a die 8. Thereafter, the sheet is fed to a sheet tray 15 of the binding processing mechanism, one set of the sheets are aligned and a ring shape binder is pinched by a pusher 17 to fit the ring shape binder to the punch holes of the sheets, and a brochure subjected to a binding processing is discharged to a stack tray 4. A binder cartridge 16 can contain a number of the binders and the binding processing can be executed continuously.

Claims14

Dependent claims

A binding processing apparatus, comprising:

a punch mechanism that forms punch holes at a sheet by a punch and a die;
and
a binding mechanism that fits a ring shape binder to the punch holes, wherein ring shape binders are stacked such that respective ends of ring portions of the ring shape binder are substantially aligned on a straight line and contained in a binder cartridge and the ring shape binders are pushed to a binding position by a spring provided in the cartridge,
the binding mechanism comprises a pair of pushers,
each of said ring portions of the ring shape binder comprise a center ring portion and first and second ring portions connected to respective ends of the center ring portion, and
the first and second ring portions are pinched by the pair of pushers, and respective ends of the first and second ring portions are fitted in a corresponding one of the punch holes.

3 more elements

Dependencies are inferred from the claim text.

Binding processing apparatus

Life of this patent

Binding processing apparatus

Life of this patent

Abstract

Claims14