US751936A - Wrench - Google Patents

Description

PATENTED FEB. 9,1904. i

W. S. OSBORN.

WRENCH.

APPLIOATION mum SEPT. 2a, 1903.

N0 MODEL.

31-100mm; I

O M A" w P m THE nomus PETERS co, mom-Lima. wasnmamu n c UNITED STATES Patented February 9, 1904.

WIIYFIELD S. OSBORN, OF REMINGTON, INDIANA.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 751,936, dated February 9, 1904.

Application filed September 28, 1903. Serial No. 174,939. (No model.)

To all whom it may concern.-

Be it known that I, VVINEIELD S, OSBORN, acitizen of the United States, residing atRemington, in the county of Jasper and State of Indiana, have invented certain new and useful Improvements in Wrenches; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to'which it appertains to make and use the same.

My invention relates to certain new and useful improvements in wrench construction, and refers more particularly to that class known as a pipe-wrench. I

My object is to provide a construction which may be quickly and easily placed in cooperation with the pipe or other object to be turned.

A further object is to provide suitable means for releasing said wrench from the pipe or other object.

Other objects and advantages will be hereinafter more clearly set forth and pointed out in the accompanying specification, reference being had to the accompanying drawings,

which are made a part of this application, and" in which Figure 1 is a side elevation of my invention able handle 2 and at its upper end with a head or stationary jaw 3. Slidingly mounted upon the shank l is a jaw 4;, the slot 5 therein, through which the shank takes, being of greater length than the extreme width of said jaw thereby permitting said jaw to have a rocking motion thereon. One edge of said slot is provided with'a detent or notch-engaging member 6, which is adapted to engage the notches 7 upon thefront edge of the shank 1.

Located within the slot 5 and secured to one tension upon the inner wall of the slot 5 by means of a pin or stud 10.

The upper face of the sliding jaw 4 is cut away to form a seat for the toothed plate 11,

said plate having depending sections 12- and 13, which are designed to register with the slots 14 and 15 provided in the sliding jaw. The object in providing the plate 11 is to give a yielding surface to said jaw, so that it may be easily and quickly disengaged from the object being rotated. It is desired, however, to keep said plate normally inward and resting against the shoulders 16 of the jaw 4, and to this end I provide a bolt 17, designed to pass through the orifice in the depending member 13 and to engage with a threaded orifice in the wall 18 between the slots 14 and 15. A tension-spring 19 surrounds said bolt between the depending member 13 and the wall 18, whereby when said plate 11 is pulled outwardly it will be immediately returned to its normally inward position when released. The stationary jaw 3 is also provided with cooperating teeth 20 upon its lower face.

In operation the pipe or other object is placed between the jaws 3 and k and the jaw 4 pushed along the shank 1 until the pipe is firmly grasped between said jaws, when the spring 8 will cause the detent 6 to engage one of the notches 7 upon said shank and hold said jaw firmly in place against the pipe, when power may be applied to said wrench and the pipe or other object rotated. When, however, it is desired to remove the wrench from the object being rotated or when it is desired to 'move said wrench so that a new grip may be obtained, the operator moves the'shank of the wrench in the opposite direction, thus causing the plate 11 to move outwardly, when the free end of the j awe maybe suficiently moved to disengage the detent 6 from the notches 7, when said jaw may be moved downwardly and the wrench removed from engagement with the pipe, or when it is desired to get a new hold upon said pipe the yielding of said plate will permit the wrench to be freely turned in the opposite direction as far as desired and will again firmly grasp the pipe when pressure is applied in the opposite direction.

A notch 21 is provided in the wall of the slot 9, against which the spring 8 bears, the object being to limit the downward movement of the head 1, and to this end it will be seen that as the head 4 moves downward upon said shank 1 the lower end of the spring 8 will engage the notch 21 and stop further movement in that directon.

While I have shown the jaw 3 as formed integral with the shank 1, I desire to state that it may be removably secured thereto in any preferred manner, and I further desire to state that the gripping-face of said head may be slanted at divers angles, as required.

It will therefore be seen that I have provided a reliably eflicient device and one that may be cheaply constructed and easily operated, and while I have shown and described the preferred form of my improved Wrench I wish to comprehend all substantial equivalents and substitutes that may fairly fall Within the scope and purview of my invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The herein-described wrench comprising the shank having a stationary jaw and a handle-section, a plurality of notches upon one edge thereof, a jaw 4; having a slot adapted to receive said shank, a detent upon said jaw 4: designed to engage said notches, means carried by said jaw adapted to keep said detent normally in engagement with said notches, a plate having depending sections 12 and 13 adapted to move longitudinally in elongated slots 14: and 15 in said jaw 4, a bolt adapted to pass through an opening in the section 13, said bolt being anchored at each end in the end walls of the slot 15, and a spring surrounding said bolt between said section 13 and one wall of the slot 15, whereby said plate will be held yieldingly in place, as set forth.

2. The hereindescribed wrench comprising the shank having a stationary jaw at one end and a handle-section at the opposite end, a plurality of notches upon one edge thereof, a jaw 4 slidingly mounted upon said shank, a detent carried by said jaw, a spring 8 carried by said jaw and adapted to keep said detent normally in. engagement with said notches, said spring traveling in a groove 9 and bearing against one face thereof, said groove being provided with a notch near its lower end, whereby the downward movement of said jaw 4 will be limited, as and for the purpose set forth.

3. The herein-described wrench comprising the shank having a stationary jaw and a handle-section, the jaw I having a slot in one end adapted to receive said shank, the opposite end of said jaw being tapered and provided with elongated slots 14: and 15 in one side thereof, a plate having depending sections 12 and 13 adapted to enter said slots and move longitudinally therein, a bolt adapted to retain said plate in position upon said jaw by passing through the opening in the depending section 13 and a spring surrounding said bolt between said section 13 and the end wall of the slot 15, whereby said plate will be held normally inward, as set forth.

In testimony whereof I aflix my signature in presence of two witnesses.

WINFIELD S. OSBORN.

Witnesses:

JOHN FISHER, JOHN E. WESTFALL.

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