US1529679A - Anchorage device - Google Patents

Description

march 17. 1925. 1,529,679

I O. A. WOOLLEY .v

ANCHORAGE- DEVICE Filed July 12, 1921 glwven T01 arson l Woo/7.

firm neg Patented Mar. 17, 1925 UNITED STATES ORSON A. WOOLLEY, OF MAGRATH, ALBERTA, CANADA.

ANCHORAGE DEVICE.

Application filed July 12, 1921.

To all "whom it may concern:

Be it known that I, ORSON A. lVOOLLEY, a subject of the King of England, residing at Magrath, in the Province of Alberta and Dominion of Canada, have invented certain new and useful Improvements in Anchorage Devices, of which the following is a specification.

The invention has for an object to effect improvements in anchorage particularly suitable for portable pulling devices, and par ticularly aims to enable the rapid setting up of such devices without requiring notable props other than that incorporated in the machine itself, and without requiring stumps, trees, posts, or heavy stakes to be located in order to provide an anchorage therefor.

Additional objects, advantages and features of invention reside in the construction, arrangement and combination of parts, which may be readily understood from the following description of one embodiment of the invention, accompanied by drawings, in which,

Figure 1 is an elevational view of my device in use.

Fig. 2 is a view of the anchorage device in use, illustrating its function.

Fig. 3 is a view illustrating the use of the appliance to pull a vehicle.

Fig. 4 is a detail of the anchorage as used in soft ground.

There is shown a stretcher device described in my United States Patent No. 1,477,740 issued December 18th, 1923. From the upper part of this stretcher there is eX- tended a chain 28 provided with a hook device 29 or other means whereby a loop of any desired length may be formed in the chain, as shown in Figures 1 and 2.

For anchoring the chain, I provide a flat bar 30 ordinarily made about one foot in length and adjacent each end there is formed a suitable opening to receive snugly a pin 31 at the rear, and another pin 32 at the forward part, the pin 31 being headed, and the forward pin a plain bar, if desired, although a head upon its upper end will not interfere with its proper use. The bar 30 is of such thickness that the pins 31 and 32 will be held rigidly against displacement from their angular relation to the bar 30, the pins preferably extending through the bar at right angles, although this angle may be varied if found desirable. The standard 10 is pro- Serial No. 484,082.

vided with a longitudinally spaced series of apertures 33 and foot pieces 34 are secured adjustably against each side of the standard by means of bolts 35 extended through the foot pieces and apertures 33. Each of the foot pieces comprises a plate of sheet metal of suitable weight having its inner portion bent upwardly at right angles to the major part of the plate and suitably apertured to receive the bolts 35, the out standing horizontal portion of these foot pieces being located a distance upwardly above the point 36 formed on the section 11, the distance above the point depending in part on the nature of the ground upon which the device is to be used. When the ground is very soft, it is desirable that the point project a greater distance than where the ground is hard.

l/Vhen the device is used, the anchorage device being positioned as shown in Fig. 1, and the foot pieces secured in place, a loop 37, is formed in the chain 28 and engaged around the rearmost pin 31 and under the adjacent end portion of the bar 30, while the stretcher device is moved in vertical position away from the anchorage until the chain is taut, when the point 36 is driven or pressed into the ground until the foot piece 34 rests upon the surface. For this purpose the foot of the operator may be applied to the foot piece 34, after the manner of using a spade. The stretcher device will then stand unaided, while the cable 24 is adjusted and the gripper 25 engaged with the wire 26. Operation of the appliance will then be readily understood.

It is important that the anchorage device be put in place in line with the chain 28 the bar 30 extending in the same direction and with the headed bolt 31 disposed fartherest away from the fence to be stretched. The foot pieces 34 prevent the device from sinking unduly in the ground, and the projection of the point 36 below the foot pieces serves as a means to hold the stretcher in erect position, as indicated.

The utility of the anchorage device illustrated lies in the fact that, the pins 3132 being held rigidly in parallel relation or nearly so, by the plate 30, the tendency of the pins to become inclined is reduced, and the resultant resistance to stress exerted through the chain includes the aggregate of pressure against the sides of the pins when tending to move laterally and bodily through the earth when the soil is firm. When the soil is soft, and there is an excessive tendency for the tops of the pins to pull over, this movement is found to be of very slight extent, as after the device becomes inclined, the tendency is for it to pivot upon the forward part as the fulcrum, and the resistance to this pivotal movement increases as the pins become inclined, the outer end of the rear pin 31 tending to bear upwardly against the earth and prevent such pivotal movement, while the forward pin supports the draft upon the chain 28. It is an advantage of this anchorage device that it does not require pins of great length, and therefore may be very quickly removed from the ground when desired.

It is apparent that the device is of simple construction and involves few I parts in manufacture, and these adapted to be made largely from stock material. The device also obviates the carrying of heavy pins for anchoring, and enables the stretching of fences in short lengths by reason of the ready availability of the anchorage device. The

anchorage device is quite light, as may be appreciated, the bar being ordinarily made one-half inch thick and the pins 3132 one-half inch in diameter.

The device may be used in other situations than that of stretching wire, and in Fig. 3, there is shown formally, my invention in use for pulling a mired vehicle 26. In the operation of the device, the lever 16 is used after the hand crank 22, since a. greater leverage may be exerted, thecrank being used to rapidly take up slack in cable or wire.

lVhat is claimed:

In a device of the character described, a tension sustaining member and an earth anchorage thereforcomprising a body member adapted to lie over the surface of the earth and a plurality of earth-penetrating members carried thereby arranged in line with the tension member, said tension member being engaged with said body member at its extremity opposite the source of stress.

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

ORSON A. WOOLLEY, Witnesses:

H. OSTLUND, H. B. BROWN.

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