US826908A - Anchor for air-ships. - Google Patents

Description

PATENTED JULY 24, 1906.

D. THOMAS. ANCHOR FOR AIR SHIPS.

APPLICATION FILED .TUNEL 1905.

av w Y lll/l lll/VENTO/i Arrom'lfrs W E EE-..1

DAVID THOMAS, OF SAN FRANCISCO, CALIFORNIA.

ANCHOR' Fon AmisHlPs.

Specification of Letters latent.

I Patented Ju1y24, 1906.

Application filed June 1, 1905. Serial No. 283,299.

To @ZZ whom it may concern:

Be it known that I, DAVID THOMAS, a citizen of the United States, and a resident of i l s lar in cross-section and may be of any desired length. The said body is closed at its upper portion by a cap-piece 10, in which an the city of San Francisco, in the county of aperture 11 is produced, and just below the San Francisco and State of California, have invented a new and Improved Anchor for Air-Ships, of which the following is a full,

clear, and exact description.

The purpose of my invention is -to provide' an automatic harpoon-anchor especially adapted for use in connection with buoyant vessels to effect a landing at a given point safely, quickly, and accurately and to so construct the harpoon-anchor that when it has entered the ground a predetermined depth lclaws will be forced out from opposite sides ofthe anchor into the ground, preventing the anchor being withdrawn or dislodged until the said claws have been purposely drawn in.

Another purpose of the invention is to rovide means Jfor preventing the claws ta ing their outer locking position until the proper time and to provide an anchor-rope attached to the anchor and to the windlass of the vessel, so that after the anchor has been driven .into the ground and secured by operating the Windlass thelvessel can be drawn down to the anchor. J 4

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in theA claims. Reference is to be had to the accompanying drawings, forming a part of this specification, inwhich similar characters of reference indicate corresponding parts in all the iigures.

Figure 1 is' a perspective view of the anchor, the ro e, and the windlass. Fig. 2 is aV longitudina section throu h the anchor, drawn on an enlarged ysca e, showing the parts in their normal position or the position they occupy when the anchor is thrown and before it is fully driven home. Fig. 3 is a view similar to that shown in Fig. 2, but illustrates the position of the parts when the anchor has fully entered the ground and when the retaining-claws are in action; and Fig. 4 is a longitudinal section taken at ri ht angles to the sectionsshown in Figs. 2 an 3, the parts of the anchor being in their normal position.

The body A of the anchor is oi box-like construction, being hollow, and is rectangusaid cap-piece 10 in opposing sides of the body longitudinal openings 12 and 12a are made. ,In the openings 12 and 12a a crossbar 13 is loosely mounted, being adapted to slide in the said openings, and the said crossbar is provided with guide extensions 13a at its extremities, as is shownin Fig. 1', which prevents the cross-bar from leaving its proper position relative to the body A, and, further, an aperture 14 is made in the said sliding cross-bar 13 practically in longitudinal alinement with the aperture 11 in the A pyramidal point 15 is pro ca .-piece 10.

vi ed for the said body A at its lower end, and this point has' a socket extension 16, which is carried by and. fits into the bottom portion of the body A, as is best shown in Fig. 4. In the same sides of the body A in Whichthe upper openings 12 and 12a are made ports 17 and 18 are produced near the lower or pointed end of the body, as is shown in Figs. 2 and 3. These ports 17 and 18 are in transverse alinement; ut the port on one side is horizontally in advance of the port on the opposite side. The upper walls a of these ports 17 and 18 are curved from the inside downwardly .and outwardly, and the lower walls a of the said ports are given a downward bevel in the same direction, as is shown also in Figs. 2 and 3. A rod 19 is loosely passed into the said body through the capopening 11 and the cross-bar opening 14, and at the lower end of the said rod 19 two prongs or spurs 2O and 21 are pivotally connected by a suitable pin 21a. The said spurs rest one upon the other, are tapering, and are curved at their outer longitudinal edges, being concaved and their inner longitudinal edges conveXed. Normally the said prongs or spurs 20 and 21 are contained Wholly within the body A, as is-shown in Fig. 2, and their lower concaved edges have bearing against the curved walls a of the said ports 17 and 18, as is illustrated in Fig. 2. These prongs or spurs 2() and 21 are held in the above-mentioned position by means of a combined check and guide block 22, whose upper faces, which are in engagement with the ower portions of the spurs or prongs 20 and 21, are beveled downwardly in opposite directions from a IOO is force central oint, so that when the rod or bar 19 E downward the inclined upper faces ofthe block 22 direct the prongs or spurs 20 and 21 out through the ports 17and 18, causing them to assume the outer substantially horizontal position shown in Figf, which is their working position. The combined check and guide block 22 is held up to its work by means of a spring 23 of suitable tension, which is made to enter a chamber' in the bottom portion of the guide-block, as is shown in Fig. 4, andto enter alsothe socket eXtension from the point 15. i j

It may be here remarked that the body A of the anchor is preferably made of iron, while its oint 15, the spurs or prongs and 21, and 'ghe rod 19 are preferably made of hardened steel.

A rope 24is secured, by means of an eyebolt 25 or its equivalent, to the under face of the sliding cross-bar'13, and this ro e 24 is carried around affliction-pulley or ro ler 26,

K[20 and 21 in their inner norma located within the body A at a 4point just above the prongs 20 and 21 when in their normal position, and the said rope 24 is also attached to the rod 19 at a point about centrally of the length of the bar, as is shown at 27 in the drawings. An anchor-rope 28 is secured at one end by means of an eyebolt 25 or the like to the up er end of the body' A, and the other end of this anchor-rope is attached toa windlass B of any approved yconstruction, which windlass is located in the vessel su plied with the improved anchor.

n operation when the vessel is, say, from three to ive hundred feet of the ground, the anchor is thrown overboard and directed toward the surface of the ground, sufficient slack being provided for the rope 28. The anchor upon striking the round will enter it, and the block 22 will hol the pron s or spurs position (shown in'Fig. 2) until the anchor shall have penetrated into ythe ground suiciently to ca use the slidin cross-bar 13 to engage with the surface of t e ground and be carried up `to a contact with the cap-piece 10 vof the body, as shown in Fig. 3, whereupon the slid- `ing cross-bar will draw upward on the rope 24 and thus carry the rod or bar 19 downward, causing the rongs or spurs 20 and 21 to pass out throug the ports 17 and 18 and enterfthe ground at each side of the body, as is shown in Figs. 3 thus securing the anchor firmly inposition. After the anchor has thus been-secured-.the vessel maybe drawn down to the anchorage by winding the slack of the rope 28 upon the windlass B. When it is desired to raiselthe anchor, it is simply necessary to remove enough earth to allow the crossv1ar 13 to. slide down to its normal position, whereupon by means of a cord attached tol the rod 19, which shouldhave an eye in the top for this-pur ose, the occupant of the vesse may draw tige rod upward, thus bringing the prongs or s urs 2O and 21 within the body A, and as t e vessel ascends it will draw the body of the anchor out from the ground, and it can then be readily taken inboard or otherwise properly housed.

Having thus described my invention, I claim as new and desire to secure by Letters Patent* 1. An anchor comprising a tubular body pointed at one end, a cross-bar having sliding movement in the body, said cross-bar being located adjacent to the upper portion of the body, pivotally-connected-prongs mounted for sliding movement in the body, the said body being provided with ports for'the outward movement of the prongs, and means for controlling the outward movement of the prongs by the action ofthe sliding cross-bar.

2. An anchor, consisting of a tubular body provided with a point at one end, a crossbar having sliding movement in the 7upper portion of the said body, the body-being provided with opposing orts adjacent -to its point, a rod having sliding movement inthe ody, oppositely-curved connected with the rod, the located at the said ports and adapted in the lower position ofthe rod to pass out through the ports, and a ,connection between the crossbar and the said rod, whereby to force the prongs outward when the said cross-bar is raised.

3. An anchor, consisting of a tubular'body rovided with a point at one end, a cross-bar aving sliding movement in the upper v'portion of the said body, the body being provided with opposing ports adjacent -to its point, a rod having sliding-movement in the body, oppositely-curved prongs ypivotally connected with the rod,'the said prongs being located at the said ports and adapted in the prongs pivotally .lower position of the rod to pass out through the ports, a connection between the crossbarand the said rod, whereby to fforce the prongs outward when the saidcross-bar is raised, a tension-controlled combined check and guide block in engagementwith thelower portions of the said prongs, which combined check and guide block serves to normally hold the prongs within the body and to direct their movement toward the said orts.

4. An anchor, comprising a tu a cross-bar mounted'to slide at the upperport tion of the body, a rod having sliding vmove- 'ment in the said body,

which body is provided with opposing ports in transverse alinement, butcone horizontally in advanee of the other, prongs longitudinally ta ering and ,having an outward curvature, wliich pron flieone on the other and are pivoted to the lgwer end 'of the` said bar, a connection between the said rod and the cross-bar, whereby the `rod is lowered as the cross-baris raised, and 'a sprin controlled combined check and guide bloi located within the said body at said ports,

ular body,

said prongs'being IOO IIO

the said block having its upper face which engages with the prongs beveled from its Vcenter outwardly in opposite directions.

chor, prongs adapte to be normally locatedv in the body, and means for forcing the said prongs out throu h said ports by the upward movement o the cross-bar, a windlass adapted to be locatd within the vessel to which `the anchor is applied, and an anchorrope attached to the windlass and to the said bo y.

6. In aerial vessels, a windlass located within the vessel, an anchor provided with ports and interiorly-located spurs, and means or forcing the said spurs out throu h the said ports when the anchor is embed ed in the ground, and a flexible connection between the windlass and the anchor, whereby when the anchor is secured in the ground the vessel may be drawn down to the anchorage by operating the said windlass.

7. A ldevice of the class described, comprising a stock for driving into the ground, anchor members for protrusion laterally from said stock, and means applied longitudinally of said stock and away from the same for causing protrusion of said anchor members.

8.- A device of class described, comprising a stock for driving into the ground, and provided with transverse apertures, anchor members mounted for lateral protrusion through said apertures, and means operating longitudinally of said stock and away from same for causingthe action of said anchor members. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

DAVID THOMAS.

Witnesses:

GUsTAvE SONNENBURG, ANGUsT WEnvrANN

Images