A stapling apparatus for forming a plurality of sheet bundles on a sheet tray comprises a sheet tray, a stapler, moving means, and movement controlling means. The stapler is moved upward by the moving means and the movement controlling means to the position where plural sheets placed on the sheet tray are to be stapled. Consequently, the stapling apparatus can staple the sheets in the position where the sheets are to be bound which changes upward each time the sheet bundle is formed by the stapl...

In a spring-energized stapling machine according to the invention, some provisions are included for extending the function of the machine and preventing any harm possibly caused by the abuse of the machine. These provisions comprise a check plate which can be adjusted to obstruct the operating handle of said stapling machine, a movable fitting serving as a backing plate for paper-fastening in one state and as a safety shield to prevent the driving of staples in an other state, and which can be m...

A stapling device has a holddown element, a staple forming member, and a staple driving means, which are guided linearly and are movable perpendicular to the upper side of a sheet stack to be stapled. A first pressure spring with a lower spring force is associated with the holddown element. A second pressure spring whose spring force is greater than that of the first pressure spring, is associated with the staple forming member. A third pressure spring is associated with the staple driving means...

A stapling device for positioning a plurality of staples in a paper along a line includes a base having a top side, a bottom side and a pair of opposed side edges. A plurality of parallel and elongated slots is positioned in the top side and each extends through the front and back edges. A mounting includes a first rod and a plurality of second rods. The second rods each extend in the same direction and are spaced from each other. Each of the second rods has a shape and positioning for slidably ...

The stapler includes a staple advancing system for applying an advancing force to a plurality of "U" shaped staples (19); a guide (16) for maintaining said plurality of "U" shaped staples (19) parallel to each other along a feed axis, said guide (35) having a channel cross section (33) including a horizontal top portion, substantially perpendicular to said feed axis, and two semi-vertical portions (37) below said horizontal top portion, each having a plane oriented downwardly inward at such an a...

A stapling apparatus that includes a cavity supported for receiving and guiding a staple about the elements to be stapled. Indexing means are provided for intermittently feeding material of a predetermined length from which a staple is formed to a staple-forming station. An anvil member is pivotally supported at the staple-forming station for movement between operate and inoperable positions, wherein the anvil is held in its operate position during the staple-forming operation without benefit of...

A stapling device for automatically binding a set of sheets is formed of a needle driving unit for driving a needle in the set of the sheets; a bending unit for bending the driven needle; two pairs of front and rear guide shafts for supporting the needle driving unit and the bending unit and guiding movements of these units in a sheet width direction; and moving shafts for moving these units along the guide shafts in the sheet width direction. By disposing each moving shaft between the front and...

An attachment system in which a staple and staple diverging means cooperate in such a manner as to flare the penetrating legs of the staple as it enters a workpiece such as gypsum board. The diverging means is first placed in or on the workpiece and thereafter a staple, including a head portion and leg portion, is driven over the diverging means to diverge outwardly the legs of the staple and thereby provide substantial resistance to withdrawal of the staple, and additionally preventing the ente...

A stapling machine in which a pair of punches cooperates with a die and a retractable anvil to cut off a portion of a wire fed between the die and the punches and bend the wire into a U-shaped staple, and in which a clincher cooperates with a stationary clinching anvil located below the retractable anvil to clinch the U-shaped staple about material placed on the clinching anvil. The clincher is carried by a driver bar reciprocated in lognitudinal direction and the punches are carried by a carrie...

It is an object of the invention to bind recording papers at a desired position, and produce a stapled sheaf of recording papers efficiently. The recording paper fed in the feeding direction by conveying rollers is held by a support plate so that a downstream end in the conveying direction thereof abuts against a predetermined gate projecting from a holding face of a support plate by a paddler. Mutually opposite ends parallel to the conveying direction are aligned by joggers. When a predetermine...