US975787A

US975787A - Bending-machine.

Info

Publication number: US975787A
Application number: US54204610A
Authority: US
Inventors: Emil Theodore Palmenberg
Original assignee: Individual
Current assignee: Individual
Priority date: 1910-02-04
Filing date: 1910-02-04
Publication date: 1910-11-15
Anticipated expiration: 1927-11-15

Description

E. T. PALMENBERG.

. BENDING MACHINE. 975,7 7.

APPLICATION FILED IEBA, 1910.

Patented Nov. 15,1910.

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WI T NE 885 8: e gmwm ATTORNEYS WITNESSES:

E. T. PALMBNBERG.

- BENDING MACHINE.

APPLICATION FILED FEB.4'. 1910.

Patented Nov. 15, 1910.

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IIVI EAITOR BKM ATTORNEYS THE NORRIS PETERS co., wasmucrozv, n. c.

, WTTED STATEB PATENT UFFTCE.

EMIL THEODORE PALMENBERG, OF NEW YORK, N. Y.

To all whom it may concern:

Be it known that I, EMIL T. PALMENBERG, a citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county and State of New York, have invented a new and Improved Bending-Machine, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved bending machine, more especially designed for forming hooks on the supporting rods of garment hangers, and arranged to permit a number of such rods to be acted upon simultaneously, with a view to form hooks of uniform size and shape, and irrespective of whether the rods under treatment at the time are attached to the hangers or not. 1

For the purpose mentioned, use is made of a mandrel provided with a seat extending lengthwise of the mandrel, to receive the ends of the rods to be bent, and a lever mounted to swing and provided with a bending bar extending parallel to the said mandrel, the bending bar being adapted to engage the rods, to bend the same around the peripheral face of the mandrel.

A practical embodiment of the invention is represented in the accompanying drawings forming a part of this specification, in which similar characters of reference indioate corresponding parts in all the views.

Figure l is a side elevation of the bending machine, with the rods to be bent inserted and the lever in starting position; Fig. 2 is a sectional side elevation of the same; Fig. 3 is a like view of the same and showing the parts in position after the bending operation is completed; Fig. 4 is a plan view of the bending machine with the lever in starting position; and Fig. 5 is a sectional side elevation of the same and showing the rods to be bent fixed to the hangers.

In a suitably constructed frame A, is secured a mandrel B, provided at one side with a seat O, extending lengthwise of the mandrel B at the peripheral face thereof. The seat O is adapted to receive the ends of rods D to be bent, the seat C being so arranged that when the rods D are in position, as indicated in Figs. 1, 2, 4 and 5, then the rods extend approximately tangentially relative to the mandrel B and in an upward direction, as will be readily understood by reference to the said figures.

Specification of Letters Patent.

Application filed February 4, 1910.

BENDING-MACHINE.

Patented Nov. 15, 1910. Serial No. 542,046.

The mandrel B and the seat C are of sufficient length to accommodate a large number of rods D at a time and irrespective of whether the .rods D are attached to the hangers D (see Fig. 5) or not, that is, prior to being attached to the said hangers.

The mandrel B is provided with reduced ends B, on which is mounted to swing a double armed lever E, provided with a bending bar F, extending parallel to the mandrel B and spaced a distance therefrom, so that when the several parts are in position, as shown in Figs. 1, 2, 4L and 5, and the lever E is swung upward and forward in the direction of the arrow at, then the bending bar F engages the several rods D and bends the same around the peripheral face of the mandrel B, as indicated in Fig. 3, to form hooks D on each of the rods D. The rods D in beingbent over the mandrel B come in contact with an abutment bar G to bend the rods on the bending bar F as a fulcrum, the said abutment bar G also serving to limit the swinging motion of the lever E. The abutmentbar G is provided at its ends with arms G, having segmental slots G through which extend bolts H, screwing in the sides of the frame A, to adjustably hold the arms G in position on the frame A. Now by the arrangement described, the arms G can be adjusted on loosening the bolts H, so as to move the abutment bar G farther forward or rearward, to give more or less bend to the rods D. g

The bending bar F is preferably provided with a contact edge F, for engagement with the rods D, so as to insure an easy bending of the rods around the mandrel B, also to insure easy bending of the rods D between the bars F and G, as indicated in Fig. 3. After the rods have been bent to form the hooks D the lever E is swung back to starting position, and then the rods D are unhooked from the mandrel B, and the parts of the bending machine are now again in position to receive another set of rods D to be bent in the manner above specified. In Fig. 5 the rods D are shown as fixed to the garment hanger D The machine shown and described is very simple and durable in construction, and can be readily manipulated to quickly and accurately provide hanger rods or the like with hooks as above mentioned.

Having thus described my invention, I

claim as new and desire to secure by Letters Patent:

1. A bending machine, comprising a fixed mandrel having an upper cylindrical face, and a longitudinally extending shoulder at one side of the mandrel provided with a recess opening at the top of the shoulder at the inner side thereof and forming a seat extending lengthwise on the peripheral face of the mandrel to receive the ends of the rods to be bent, the inner wall of said recess merging into the upper cylindrical face of the mandrel, and a lever fulcrumed on the ends of the fixed mandrel and having a bar adjacent to said mandrel and extending parallel thereto, the said bar being adapted to engage the rods to bend the same around the cylindrical upper surface of the mandrel on imparting a swinging motion to the lever.

2. A bending machine comprising a fixed mandrel having an upper cylindrical face and a longitudinally extending shoulder at one side provided with a recess o ening at the top of the shoulder at its inner edge and forming a seat extending lengthwise on the peripheral face of the mandrel to receive the ends of the rods to be bent, the inner wall of said recess merging into the uoper cylindrical face of the mandrel, the said mandrel having reduced ends, a double armed lever fulcrumed on the reduced ends of the mandrel and having a bar extending parallel to the mandrel and adapted to engage the rods to bend the same around the cylindrical upper surface of the mandrel on imparting a swinging motion to the lever, and an abutment bar parallel to the mandrel, and located, on the side of the mandrel opposite the side having the said seat, for engagement by the said rods on bending the latter around the mandrel.

3. A bending machine, comprising a fixed mandrel having a seat extending lengthwise on the peripheral face of the mandrel to receive the ends of the rods to be bent, a lever having a bar extending parallel to the said mandrel and adapted to engage the rods to bend the same around the mandrel on imparting a swinging motion to the said lever, an abutment bar parallel to the mandrel and located on the side of the mandrel opposite the one having the said seat, for engagement oy the said rods on bending the latter around the mandrel, and adjustable arms carrying the said abutment bar.

4. A bending machine, comprising a frame, a mandrel fixed on the said frame and having a seat extending lengthwise along one side of the mandrel at the peripheral face thereof to receive the endsof the rods to be bent and to hold the rods in a tangential position relative to the mandrel, a lever fulcrumed on the said mandrel and provided with a bar extending parallel to the said mandrel and spaced from the same, an abutment bar having slotted arms, and bolts for adjustably fastening the said arms to the said frame to hold the abut ment bar in position.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

EMIL THEODORE PALMENBERG.

Witnesses:

A. O. PORTEOUS, WM. L. ALLAN.