US14221A - Wrench - Google Patents

Description

UNITED STATES WM. BAXTER, OF NEWARK, NEW JERSEY.

WRENCH.

Specification of Letters Patent No. 14,221, dated February 12, 1856.

To all 'whom zi may concern Be it known that- I, WILLIAM BAXTER, of the city of Newark, in the county of Essex and State of New Jersey, have invented a new and useful improvement in the construction of adjustable diagonal wrenches for screwing or unscrewing iron-work, &c.; and I hereby declare the following` to be a full, clear, and exact description of the construction and operation of the same, the accompanying drawings being lettered to cor- -respond with and making a part of this specification, and in order that others may go on to manufacture and use my improvement I will describe its construction and application as follows:

Description-Figure l, is a birds eye view of t-he wrench when closed. Fig. 2, is another View of the wrench when opened to its widest point.

Letter (A) represents a metallic plate or upper half of the wrench, having a jaw (of a wrench,) at each end, as shown at (c, c) that stands obliquely to the shank, or han dle. The metallic plate (A) has a projection or tongue at each end, as shown at Letter (A) represents the lower plate (or half) of the wrench, and also has a jaw at each end (e, c,) that corresponds with, and is opposite to, (c, c.) (A) has a groove (g) at each end to receive the project-ion or tongue, (f) on plate (A.) Hence by the application of the projection (or tongue) (f,) and the groove (9,) I prevent my wrench from separating, (vertically,) at the same time allowing itl to move in the direction of the groove (g) only, when operated upon by the screw, or other moving power, when applied at half the distance between the jaws, and transversely across the plates, and parallel with the diagonal or end oints (2)) and consequently the jaws (c, and 6,) move parallel to each other, in a right line only, and c', and c) move parallel in a right line similar to the former (c, and 6,) and the strength of the wrench is not dependent upon a small pin, or fulcrum, at the center of the handle, but upon the construction of the diagonal or end joints (b, and b,) (of the wrench,) having a tongue and groove as above set forth; the large and small ends of the wrench open, and close, at the same time, and by the same moving power. You do not have to turn one set screw to open the large end, and another, to open or close the smaller end, as is the case in Chestermans spanner, or screw key.

I am aware that the dierent kinds of wrenches that have been used in the different machine shops-the adjustable hammer wrench, the fixed S wrench, and various others, any of which is not susceptible of being used for screwing the different nuts of many complicated machines, and those that are adjustable cannot be brought into use on account of their clumsiness, such as the hammer and many other wrenches. The only plan adopted at present by the machinists when sending off an engine 0r other work, is to send a number of wrenches of different sizes to suit the nuts, but I can adapt my diagonal adjustable wrench to any or all the different sizes of nuts by simply turning` a small thumb or set screw.

Description of dwmng--l4`igl, is a birds eye view of the adjustable diagonal wrench. Letter (A,) is the shank or handle. b,) are the diagonal or end joint-s. (c, c,) are the jaws of the wrench. (cl,) is a thumb or set screw which is used to open or close the wrench.

Fig. 2, is a birds eye view showing the wrench opened exhibiting a portion of the screw, and the extension, of the jaws,

(c, c,). Letters (A A) is the shank or handle. (b, (3Q) are the diagonal or end joints. (c, c,) are the jaws of the wrench.

(Z) is a thumb or set screw, which is used to open or close the wrench.

Vhat I claim as my improvement in wrenches is Adjusting, and securing the jaws (c, c,) and (e, e,) of a diagonal wrench, by means of the screw (65,) and joints (f,) (9,) as described.

In testimony whereof I hereunto subscribe my name in presence of two witnesses.

`WILLIAM BAXTER. Witnesses WVM. R. HOWELL, JAMES P. MCLEAN.

Images