US648507A - Wagon-jack. - Google Patents

Description

Patented May I, I900.

'0. H. LUND.

WAGON JACK. (Application filed June 16, 1899.)

(No Model.)

TNE nonqls Psrvcs 00.. Pnoruu'mou WASHINGTON. a. c

UNITED STAT S PATENT *Oriucn.

OLAF H. LUND, OF KENYON, MINNESOTA.

WAGON-JACK.

SPECIFICATION forming part of Letters Patent n6. 648,507, dated lVIay 1, ieoo.

Application filed Tune 16, 1899. $erial No. 720,759. (No model.)

To ctZZ whom it may concern the lock-rack 11 project laterally or from one Be it known that I, OLAF H. LUND, a citiside of the upright 1.

Zen of the United States, residing at Kenyon, A lifting-lever 14 is provided for coopera- 55 in the county of Goodhue and State of Mintion with the standard 1 2. The lifting end 5 nesota, have invented certain new and use: of this lever 14 is of such width that it is ful Improvements in Wagon-Jacks; and I do adapted to snugly fit into the seat or opening hereby declare the following to be afull, clear, 16, formed in the base 2 between the upright and exact description of theinvention, such as 1, block 4, and parallel strips 3. This posiwill enable others skilled in the art to which tion of the lever is indicated by dotted lines 10 it appertains to make and use the same. in Fig. 1, and the lever may be thus held in My invention has for its object to provide an inoperative position when out of use, so an improved wagon-jack; and to this end it that the device may be placed within small consists of the novel devices and combinacompass and the lifting-lever may not readtions of devices hereinafter described, and deily be misplaced or accidentally separated 15 fined in the claim. 1 from the base 2.

The invention in its preferred form is illus- Some little distance inward from its ex trated in the accompanying drawings, wheretreme end 15 the lever 14 is provided with a inlike characters indicate like parts throughplate 17, which is secured thereto by four out the several views. clenching prongs or fingers 18. This plate o Figure 1 is a rightside elevation of the 17 may be either a malleable castingor of wagon-jack, the lifting-lever being shown in Wrought iron or steel, and the so called its operative position by full lines and in an clenching-fingers 18 are bent around the inoperative positionby dotted lines. Fig. 2 is edges of the lever 14, so as to securely hold a transverse vertical section taken on the line the said plate 17 to the said lever. Prefer- 2 5 50 .99 of Fig. 1. Fig. 3 is a front elevation of ably the lever 14 is provided with notches 19, the standard of the jack, the lever being rein which the clenching-fingers 18 are bent and moved therefrom; and Fig. 4 is a horizontal "seated, so that the plate 17 is more securely section taken on the line 00 50 0f Fig. 1, some held against sliding movements on the said parts being broken away. lever. At its forward and upper portion the 30 The standard is made up of a strong upright plate 17 is provided with a downturned fulor vertical column 1 and a base 2. The base crum-hook 20, and at its rear and upper edge 2 in this preferred construction is made up of it is further provided with a locking-flange a pair of horizontal and parallel bars 3, which 21, which parts 20 and 21 are adapted, reare spaced apart by the lower end of the verspectively, for engagement with theso-called 5 tical standard 1 and by'a spacing-block 4, fulcrum teeth or fingers 9 and locking both of which parts they are caused to clamp teeth 12. by means of nutted bolts 5. A transversely- In the use of the device the lifting-lever 14 v extended strip 6 is countersunk into the botis placed at the proper height and its fulo tom edges of the strips 3 and rigidly secured crum-hook 20 is engaged over the proper one 40 thereto, so as to give the standard lateral staof the series of fulcrum teeth or fingers 9, the bility. As shown, a strap or brace 7 is eX- lifting end 15 is placed under the axle at the tended between the longer ends of the baseproper point and the wheel of the vehicle is strips 3 and the upright 1. raised with a leverage action to the proper A fulcrum rack or bar 8, having upturned height, and then the lifting-lever is locked by 45 and hook-like fulcrum teeth or fingers 9, is engagingthe locking-flange 21 with the proper rigidly secured to the forward edge of the upmember of the locking-teeth 12 of the bar or right 1 by means of screws 10 or otherwise. rack 11.

To the rear edge of the upright 1 alock rack The lifting jack above described is very or bar 11, having downturned locking-teeth easily manipulated, it is strong, and is of 5o 12, is rigidly secured by means of screws 13 small cost. The so-called .fulcrum-hook or otherwise. The teeth 9 of the fulcrum- 20 and locking-flange 21 being formed intebar 8 project forward, while the teeth 12 of gral with a common plate or casting cannot getout of adjustment, and they are, of course;

essentially set in their proper adjustmentiby the act of securing the said plate or casting to the lifting-leve V What I claim, and desire to secure by Letters Patent of the United States, is as follows v In a lifting-jack, the combination with a vertical standard or support provided with the series of upturned fulcrum teeth or fingers, and the series of downturned lockingteeth, of the lifting-lever 14 provided withthe plate 17 secured thereto by the cl'enching fingers or prongslS, and having formed integral therewith the fulcrum-hook 20 and the 7 locking-flange 21-,the said parts operating sub- I 5 stantially as described.

In testimony whereof I affix my signature in presence of two Witnesses.

OLAF H. LUND. "Witnesses: i

J. O. E. HOHNEN, H. G. SORENSEN.

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