US 1167542 A
Description (OCR text may contain errors)
w. s. BELLOWS.
APPLICATION FILED OCT- 26, 1912.
1,167,542. Pdtented Jan.11, 1916.
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WARREN S. BELLOWS, OF WORCESTER, MASSACHUSETTS.
SOQKET-WBTENCB- Application filed October 26, 1912.
To all whom it may concern Be it known that I, IVARREN S. BnLLows, a citizen of the United States, and a resident of the city and county of Worcester, Commonwealth of Massachusetts, have invented certain new and useful Improvements in Socket-Wrenches, of which the following is a specification.
The object of this invention is the con struction of an inexpensive, simple and durable socket wrench of a minimum number of parts.
Referring to the drawings forming part of this specification, Figure 1 is a side view of a wrench embodying my invention. Fig. 2 is a similar view, but with the socket member in section, of a slightly different form thereof. Fig. 3 is a sectional view of the socket member alone. Fig. 4 is a bottom view of the latter. Fig. 5 is a top view of the same. Fig. 6 is a perspective view of the socket-engaging member. Fig. 7 is a cross section on the line XX in Fig. 2.
The socket member 1 consists of a forging or casting having a socket 2 in its lower end, and an axially disposed hole 3 opening from said socket through to the upper end of said member. As illustrated in Fig. 4, the socket is hexagonal, but it is evident that the same may be of any desired shape and size to fit the kind of bolts and nuts for which the wrench may be used. As shown in Figs. 4: and 5, said hole is not cylindrical, but the upper section thereof is made with two parallel flat surfaces 4, 5, and two limited cylindrical surfaces 6, the object of which is hereinafter set forth. The lower section of said hole is larger than said upper section, tapering into each other, as shown in Figs. 3 and at.
The handle and shank of this wrench consist of a single length of metal rod bent to form such shank 7 and cross handle 9. In
forming said parts, the rod is first bent nearly right angles at 10 and then over on itself at 11, so that the cross handle 9 is disposed at right angles to the shank, with the latter at the midlength of the handle, the shank and handle being rigidly united by the connecting section 13. This construction is illustrated in Fig. 1, and while it Specification of Letters Patent.
Patented J an. 11, 1916.
Serial No. 727,983.
forms a most practical arrangement, it is still further improved upon by prolonging the handle and bending over upon it such prolongation 14, as shown in Fig. 2. This prolongation terminates at the intersection of the handle and shank, and such termination is concealed by means of a pair of wash ers 15, one at each side thereof, united by a rivet 16, as indicated in Figs. 2 and 7. In addition to thus concealing the juncture of said prolongation, said washers serve so to bind the handle directly to the shank when an actuating movement is being given to the latter by the handle, that the midlength of the latter can not be forced laterally past the shank. This renders the wrench set forth in Fig. 2 considerably stronger than that of Fig. 1, and at the same time provides equally good grips for each hand of the user.
To fasten the shank within the socket member, the former has two opposite portions of its surface milled away to fit between the surfaces 4: and 5, while the diameter of the shank is the same as that of the curved surfaces 6. Fig. 6 indicates such milled portions. After such milled section has been introduced into the hole 3, the end of said section is hammered until the metal has been forced laterally enough to practically fill the tapered section 8, as illustrated in Fig. 2, the shoulders 12 immediately above said milled portions serving to keep the socket member from slipping upward on the shank. Ihis not only looks the shank from withdrawal from the socket, but, said section 8 being also flattened, as shown in Fig. 4:, the forcible turning of the socket with the handle is proportionally insured. Thus made, the wrench consists of but two parts, excepting the washers and rivet, but is very inexpensive to manufacture, and strong and durable in use.
What I claim as my invention and for which I desire Letters Patent is as follows, to wit A wrench comprising a socket member, and a length of metal rod bent to compose four sections, one thereof being a shanksection rigid with said socket member, the second being bent out nearly at right angles to said shank-section, the third being in the same plane as said shank and second section invention, I have hereunto set my hand this and. at right angles to the shank, and a 23d day of October, 1912.
fourth section bent inward to the shank from the third section, and means for fasten- VARREN BELLOWVS 5 ing the end of the fourth section from dis- Witnesses:
loclgment out of the plane of said sections. CHAS. H. S11E01),
In testimony that I claim the foregoing ETI-IEL R. ALLISON.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Batents,
Washington, D. C.