US873355A - Button. - Google Patents

Description

No. 873,355 PATENTED DEG. 10, 1907! J. 0. & J.A. DORAN. BUTTON.

' APPLIGATION FILED APR. 5, 1907.

ATTORNEY YHE NORRIS PETERS cm, wnsnmamu, b. c.

UNITED STATES PATENT OFFICE.-

JAMES C. DURAN AND JAMES A. DORAN, OF PROVIDENCE, RHODE ISLAND.

BUTTON.

Specification of Letters Patent Application filed April 5. 1907. Serial No. 866.542.

Patented Dec. 10, 1 967.

To all whom it may concern:

Be it known that we, JAMES C. DORAN and JAMES A. DORAN, both citizens of the United States, and both residing at Providence, in the county of Providence and State of Rhode Island, have invented certain new and useful Improvements in Buttons, of which the following is a specification, reference being had therein to the accompanying drawing.

Our invention relates to garment buttons wherein the back plate and shank is shaped up from a single piece of metal, flattened and pierced.

In making a structure of the character above identified it has been found that the expense incurred by breakage of tools, cost of stock, and otherwise, has been excessive, and that the thinness of the pressed shank cut the engaging threads upon military and other buttons subjected to heavy wear.

The essential object of this invention is to overcome the enumerated disadvantages, and consists broadly in introducing into the shank an auxiliary member.

In the drawings which form a part of this specification Figures 1 and 2 are bottom and transverse sectional elevations of a blank after the cupping operation. Fig. 3, a section on line as m of Fig. 1 after the walls of the shank have been pierced and closed upon a ring. Fig. 4, a slde elevation of the same.

Fig. 5, a section on line y y of Fig. 1 after the insertion and closing in of the ring. Fig. 6, a similar section of the same when a disk is used. Fig. 7, a detail view of a ring. Fig. 8, a similar view of a disk, and Fig. 9, a perspective view of the back plate embodying my invention engaged with a button front.

Like reference characters indicate like parts throughout the views.

To construct the novel button back the center of a blank, A, of thin metal is bent by suitable tools to form a cup, B, oblong in cross section, havin its broad walls, I), b, slightly tapering. nto the cup, B, is dropped a ring, C, and'the walls, I), are then by suitable tools squeezed tightly against the sides of the ring. The walls are then pierced forming a hole of a little less diameter than the diameter of the opening in the ring, and

the margins of the pierced walls inwardly bent around the ring as at 7), thereby oompleting the eye of thread opening, D. While we prefer to use the ring, (3, as the auxiliary member satisfactory results are obtained by using in its place a disk C. The disk is drop ed into the cup, B, and the walls, 6, of the atter compressed against its opposite faces. Then a tool pierces the walls, I), and the disk, 0, thereby forming the eye, D, as shown in Fig. 6. of using the disk'member is that three Walls are presented to the action .of the piercing tool, whereby the latter is quickly du led and often broken.

The structure made as described produces a back plate, A, and integral shank B, whose eye, D, is of sufficient breadthto furnish a broad bearing surface to the engaging threads. The use of the auxiliary member permits the use of very thin metal blanks, which are sufficiently strong to answer the demands of the back plates, without making the shanks so thin as to endanger the engaging threads.

What we claim is,

1. A button back comprising a back plate, a hollow shank integral with the back plate and an annular member fixed within the hollow shank.

2. A button back comprising a back plate, a hollow shank integral with the back plate and provided with transverse perforations, and an annular member fixed within the hollow shank with its open portion concentric with the perforations.

3. A button back comprisin a back plate, a hollow shank integral with t e back plate and provided with transverse perforations, and an auxiliary member provided with an opening fixed-within the hollow shank and having its opening concentric with the perforations.

A practical disadvantage In testimony whereof we have afiixed our

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