US1647622A

US1647622A - Metal shears

Info

Publication number: US1647622A
Application number: US191711A
Authority: US
Inventors: Heinrich Robert; Kramer Paul
Original assignee: NAT MACHINE TOOL CO
Current assignee: NAT MACHINE TOOL CO; NATIONAL MACHINE TOOL CO
Priority date: 1927-05-16
Filing date: 1927-05-16
Publication date: 1927-11-01
Anticipated expiration: 1944-11-01

Description

Nov. 1, 1 27. 1,647,622

R. HEINRICH ET AL METAL SHEA-RS Filed May 16. 1927 Patented Nov. 1, 1927.

UNITED STATES;

ROBERT HEINRICH AND PAUL KRAMER,

NATIONAL MACHINE T6012 (33., -33 HACENE, WES;

311811515, WIS

METAL srrnans.

Application filed May 13,

This invention relates to metal shears and is particularly directed to a base for such shears.

It is the universal practice to provide the metal shears with bases adapted for permanent attachment, but it has been found that these permanently attached metal shears are not always in the position most desired for the particular work in hand.

i This invention is designed to provide a novel form of base for metal shears which is so constructed that it may be rigidly attached to a floor or bench or may be held in a vise in a very secure manner and without possibility of displacement and to so construct the vise gripped portion that it may be rocked out of the way when not desired.

An embodiment oi the invention is shown in the accompanying drawings in which Figure 1 is a side elevation with parts broken away showing the device in position upon a vise;

Figure 2 is a sectional view on the line 2-2 of Figure 1;

Figure 3 is a sectional view on the line 38 of Figure 2.

Referring to the drawings, it will be seen that the metal shears comprises the usual blades 1 and 2, and the main body 3. The movable blade is pivotally carried by the pin or bolt 4 and is provided with the operating handle 5 in the usual manner. .The body portion 3 is cut out intermediate its ends to provide a space 5 and is further out out, as indicated at 6, to provide sockets.

A pair of flanged members or angle irons 7 are secured to one side of the body portion 3, as shown in Figure 1, and a continuous channel iron or flanged member 8 is secured to the opposite side of the body portion 3, as shown most clearly in Figure 3.

A member in the form of a flap 9 is provided and is equipped with outwardly projecting trunnions 10 which fit within the recesses 6 formed in the body portion. These trunnions are also positioned between the angle irons or

base portions

7 and 8 and are thus retained in place. It is to be noted that the angle irons or base portions 7 stop short of the flap 9 and permit its lateral swinging to one side of the device when desired.

The flaps 9 may be formed in any suitable manner, but it has been found convenient to form them of two half sections which are hollow, and to provide a spacing block or reeniorcing member 11 through which the attaching rivets 12 pass, as shown in Figure 1.

From reference to Figure 2, it will be seen that the flap 9 is Wedgeshape, with its largest portion downwardly. When this flap member is gripped between the jaws 13 of the vise, it is securely retained in place due to its upward narrow formation, and the shears are thus prevented from slipping from the vise. The

base portions

7 and 8 rest upon the tops of the jaws 13 of the vise and thus a very secure support for the shears is attained.

It is apparent that when it is desired to bolt the shears to a table or to the floor, that it is a simple matter to rock the flap laterally, as shownin Figure 3, and to attach the base portions or flanged

members

7 and 8 by means of bolts passing through appropriate apertures therein.

It will be seen therefore that a novel form of metal shears has been provided which may be securely held either bolted to a table or within a vise without any danger of slip- It will be seen further that the device is simple, sturdy, and may be cheaply produced.

Although the invention has been described in considerable detail, such description is intended as illustrative rather than limiting as the invention may be variously embodied and as the scope of such invention is to be determined as claimed.

I claim:

1. The combination of a cutting tool having a body portion, apair of outwardly projecting flanges secured to said body portion and adapted to be bolted to a support, said body portion having a centrally cutout part, and a flap pivotally carried within said central cut-out part and adapted to project downwardly or laterally, whereby said flap may be gripped by the jaws of a vise when downwardly projecting and may be rocked out of the way when the flanges are attached to a support.

2. The combination of metal shears having a body portion, said body portion having a cut-out central part provided with re cesse'd side walls, a flap mounted withinthe cut-out portion and having trunnions projecting into the recess in the side walls and angle irons secured to said base and overof angle irons secured to said body portion and extending across said apertures, on the other side or said body portion from said first mentioned angle iron.

In testimony that We claim the foregoing We have hereunto set our hands at Racine,

in the county of Racine and State of VVisconsin.

ROBERT HEINRICH. PAUL KRAMER.