US634548A

US634548A - Combined lifting-jack and wrench.

Info

Publication number: US634548A
Application number: US66683798A
Authority: US
Inventors: Ira A Weaver
Original assignee: Individual
Current assignee: Individual
Priority date: 1898-01-15
Filing date: 1898-01-15
Publication date: 1899-10-10
Anticipated expiration: 1916-10-10

Description

No. 634,548. Patented ont. lo, |899. l. A. WEAVER;-

CUMBINED LIFTING JACK AND'WBENGH.

(Application led Jan. 15, 8984) (No Model.)

1u: Moms Perses ca. Pnazouwq, wAsHNa-rou. n. c.

UNITED. l STATES PATENT- A rrIC man. WEAVER', or Das Moines, IOWA.

COMBINED LlFTlNG-.JACK AND WRENCH.

SPECXFIGATIO forming part of Iietters Patent No. 634,548, dated Qctoloer l0, 1899. Application filed January 15, 1898. Serial No. 666,837. (No model-l T0 @ZZ whom, it may concern;

Be it known that I, IRA A. WEAVER, a citi-` zen of the United States, residing at Des Moines, in the county of Polk and State of Iowa, have invented a new and useful Oombined Lifting-Jack and Wrench, of which the following is a specification.

The object of this'in'vention is to provide a simple, strong, durable, and convenient wagon-jack, combined with which the operator may readily, quickly, and easily remove a nut from a vehicle-axle without touching it with his ngers and then may elevate the vehicle so that the wheel may beremoved,

and then when the axle has been lubricated the vehicle may be lowered and the nut screwed in position without the necessity of touching the nut or axle with the ngers.

A further object is to provide a lifting-jack of simple, strong, and durable construction and in which the weight carried by the jack is automatically held in its elevated position until the operating-lever is raised.

My invention consists in certain details in the construction, arrangement, and combination ofthe parts of the lever-lifting jack and in the construction,arrangement, and combination with a lifting-jack of the nut-wrench as hereinafter more fully set forth,` pointed out in my claims, and illustrated in the accompanying drawings, in Which- Figure 1 shows a view if Vwhich the device is in position for useras a nut-wrench. Fig. 2 shows'a perspective view of thecomplete device. of the sliding block and accompanying parts of the lever-lifting jack. Fig. 4 shows aside elevation of the nut-wrench with parts broken away to show certain details' of construction.

Referring to the accompanyingdrawings, the reference-numeral lOis used to indicate an upright, preferably made of pipe and open at its top and provided with a series of trans! verse openings 11 throughoutits length. Thisv uprightis secured in a base 12, which is preferably made of cast metal.

The reference-numeral 13 is used to indi-p cate a metal block having a vertical opening extended therethrough, designed tofadmit the upright 10so that the block may slide relative to the upright. On one side of the block is a horizontal ly-proj cctin g shoulder 1e,

Fig. 3 shows an-enlarged detail view serrated onV its upper edge and designed to engage the article to 'be lifted by the jack.

Immediately beneath the shoulder 14 is a slot 15),.havingat the end of the slot which is adjacent to the upright 10 a notch 16. This notch is formed on the upper boundary of the slot 15.

The reference-numeral 17 indicates the operating-lever, which is bifurcated at its end and curved upwardly. n Mounted between the bifurcated end of the lever is a roller 1S, which is extended through the slot 15 and is of such asize as to be capable of entering the notchfl. Y n

19,indicates anspring-key of the ordinary construction that is designed to be passed through ,the'bifurcated 'end portion of the lever and through one of the openings 11 in the upright 10. It is obvious that by means of this pin the block 13 may be adjusted vertically relative to the upright, and when it is Y ject to be elevated, the operating-lever having been previously raised to its upper limit, and when in this position the roller 18 will be in the outer end of the slot 15. Then as the outer end of the'lever is lowered the block 13, together with the weight carried thereby, will be raised until rthe roller 1,8enters the notch 1,6, and when in this position the block 13 will be locked against downward movement. It

may, however, be easily and quickly released by moving the lever upwardly.

The reference-numeral 2O is used to indicate an larm havinga iiattened portion at its one endand a slot 21 in the said iiattened lportion. lThe lower surface of this flattened portion is tapered toward the end of the arm for purposes hereinafter made clear. Formed on the extremity of the arm 20, beyond the flattened portion, is a part 22 to project upwardly therefrom, the inner surface of which is pro- 'vided with a right-angled recess.

The reference-numeral 23 is used to indicate va block which is slidingly mounted in the slot IOO through the slot 2l into the block 28. rlhis thumb-screw is made to enter the said block at a point within the space inclosed by the

parts

22 and 24. When a great pressure is applied to this movable member, such as would be given when used in unscrewing a nut, there is a tendency for the top of the movable member to bend outwardly from the nut. However, by thus placing the set-screw between the jaws the top is prevented from bending or inclining in this manner.

The inclined surface on the under side of the flattened end of the arm 20 is provided for the purpose of preventing the movable member of the wrench from sliding backwardly in the slot any considerable distance. Inasmuch as the said movable member is forced backwardlyin the slot,the thumb-screw is tightened. On the other end of the arm 2O is a

journal

26, and 27 indicates a spring connected with this journal and of a size designed to enter the opening in the top of the upright 10, and the said spring will tend to restrict the movements of the journal within the opening in every direction, but will not prevent t-he journal from entering the opening or from turning therein. The said arm 20 is inclined a certain degree relative to the said journal, so that when in position in the upright the outer end of the arm will extend downwardly below a right-angled position. That this is an essential feature of the wrench attachment will be obvious when it is explained that in practical operation the device is grasped in the operators hands,with one hand at the base of the, upright l0 and the other hand grasping the lever 17. The upright is then held in a substantially horizontal position and the nut-wrench made to engage with the nut on the vehicle-axle. Then the hand that is in engagement with the base ot' the upright is held stationary, While the other hand is moved in a circle whose axis is on a line between the nut-holder and the hand that grasps the base of the upright. It is obvious that this movement of the hand that grasps the lever will cause the nut to be unscrewed, and

when it is unscrewed the upright is placed in a while the nut is being removed from the axle, and then when the device is being used as a jackthe nut Will be firmly held within the wrench and not be liable to fall out, as would be the case where the face of the nut-wrench stands in a vertical position when the jack is in use.

Having thus described the device, what I claim as my inventionfand desire to secure by Letters Patent of the United States therefor, is;-

1. An improved implemenh'comprising an upright having a vertically-arran ged journalbearing in its top, means on the upright for engaging and supporting a vehicle-axle, a journal mounted in said bearing, an arm formed on the top ot the journal and projected sidewise to the upright, a nut-engaging device on the outer end of said arm and a friction device, substantially as set forth, on said journal, for the purposes stated.

2. An improved implement, comprising an upright having avertically-arranged journalbearing in its top, means on the upright for engaging and supporting a vehicle-axle, a journal mounted in said bearing,l an arm formed on the top of the journal and projected sidewise to the upright, and a nutengaging device on the outer end of said arm, substantially as set forth.

3. An improved implement comprising an upright having a vertically-arranged journalbearing at its top, means on the upright for engaging and supporting a vehicle-axle, a journal mounted in said bearing, an arm formed on the top of the journal and extended outwardly and downwardly at the angle shown for the purposes stated, and a nut-engaging device on the outer' end of said arm, for the purposes stated.

4. An improved implement comprising an upright having a vertically-arranged journalbearing at its top, means on the upright for engaging and supporting a vehicle-axle, a journal mounted in said bearing, an arm formed on the top of the journal and extended outwardly and downwardlyat the angle shown for the purposes stated, a nut-engaging device on the outer end of said arm and a friction device as set forth in said journal, for the purposes stated.

IRA A. WEAVER.

Witnesses: j

REUBEN G. Onwie, J. RALPH Onwrc..

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