US2208663A

US2208663A - Anchor

Info

Publication number: US2208663A
Application number: US188671A
Authority: US
Inventors: William J Conroy
Original assignee: Individual
Current assignee: Individual
Priority date: 1938-02-04
Filing date: 1938-02-04
Publication date: 1940-07-23
Anticipated expiration: 1957-07-23

Description

July 23 1940- W. 4. comm ANCHOR Filed Feb. 4, 1938 INVENTOR VV/LL/HM J.' CO/VEUY BY !/&u

H45 ATTORNEY Patented July 23, 1940 UNITED STATES PATENT OFFICE 2 Claims.

My invention relates to anchors for mooring craft, such as boats; and the broad object'of the invention is to provide an anchor of the fluke and stock type with an improved mounting for the stock whereby the latter may be shifted by a simple sliding movement between collapsed and operative positions.

Another object of the invention is to provide an anchor of the character described which is of extremely simple and rugged construction.

The invention possesses other objects and features of advantage, some of which, with the foregoing, will be set forth in the following description of my invention. It is to be understood that I do not limit myself to this disclosure of species of my invention, as I may adopt variant embodiments thereof within the scope of the claims.

Referring to the drawing:

Figure 1 is a side elevational view of an anchor embodying the improvements of my invention; and v Figure 2 is a vertical sectional view of the sam taken in a plane indicated by the line 22 of Figure 1.

Figure 3 is a fragmentary elevational view showing one of the flukes.

In terms of broad inclusion, the anchor of my invention comprises a shank, and a stock slidable relative to the shank for movement between 001- lapsed and operative positions. The anchor also includes a fluke and an arm for connecting the fluke to the base of the shank. In its operative position the stock extends transversely of the ing an anchor line or cable. While I prefer to use tubing for the reasons stated, it is understood that solid metal may be employed.

A cross arm I, also preferably of tubing, is connected transversely across the base of the shank,

and is preferably fixed in position, as by welding. This tubing is open ended and an opening 8 communicates between the hollow arm and the base of the shank to permit free passage of water into the parts, Thus the undesired buoyancy accompanying a closed hollow structure is avoided. A hole 9 adjacent the upper end of the shank assists the water to drain out when the anchor is pulled up. The tubing in the cross arm is preferably flattened somewhatin the plane of the shank axis to provide an elliptical section as shown in Figure 3, giving still greater strength in the direction of pull.

Flukes III are mounted on the outer ends of cross arm I. These elements are preferably heart-shaped metal plates set at an angle as .shown in Figure 1, and are preferably fixed in position, as by welding. Pairs of angle bars H are riveted to the back faces of the fiukes, on opposite sides of the cross arm, for reinforcement.

A stock l2, preferably formed from a solid metal rod, is slidably mounted transversely of the shank 2 and fluke supporting arm I, through an aperture in the arm adjacent the junction between the parts. In the operative position, as shown in Figure 2, the stock extends outwardly in opposite directions from a plane passing through the shank and fluke arm. This stock insures that a fluke will always be pointed downward for engagement with the bottom, irrespective of how the anchor may fall.

The slidable mounting of the stock permits it to be shifted endwise to collapsed position, and an end 13 of the stock is bent in a smooth curve to allow the stock to fold upwardly alongside the shank as the stock slides through the aperture. A knob 14 on the curved end of the stock serves as a stop to prevent the stock from being pulled completely through the aperture. The collapsed stock is shown by dotted lines in Figure 2. When collapsed the anchor is much more compact than when the ends of the stock are extended, as will be readily appreciated.

Means are provided for holding the stock in operative position. For this purpose a flanged lug IE is fixed on the straight ended side of the stock to lie against arm I. A second lug or projection I1 is arranged on the stock to abut the opposite side of the arm, and a notch I8 is provided in the arm to permit the lug to be pulled through after the stock is rotated to bring the lug into registration with the notch. The opposite side of the aperture is enlarged to permit free passage of lug l1, and a collar l9 adjacent lug l6 seats in this side of the opening. In placing the parts in operative position it is only necessary to slip lug I! through the aperture and notch, and then rotate the stock through 90. In the final position the curved end l3 of the stock preferably projects rearwardly of the anchor.

Means are also provided for locking the stock against turning to secure the parts in operative position. As shown in Figures 1 and 2, a side of lug I6 is flattened, and a resilient metal strip 2| is fastened at one end to shank 2 with the other free end abutting the flattened side of the lug, This locks the stock and requires that strap 2| be lifted before the stock can be turned. The opposite side of lug I6 is also flattened so that it clears strap 2| when lug I1 is in position to be puled through notch I8. Whileother suitable locking means may be provided, I have found the above to be very simple to manufacture, yet satisfying the ruggedness of structure which is so necessary in a practical anchor construction.

I claim:

1. An anchor including a shank, said, shank having an aperture therein adjacent its base, a stock slidable through said aperture for movement between collapsed and operative positions, stop lugs on the stock for holding the same in operative position and releasable upon turning the stock to permit the latter to slide into collapsed position, one of the lugs having a flattened side, and a resilient strap mounted on the shank and bearing against the flattened side of said lug for holding the stock against turning.

2. An anchor comprising a shank, a cross-arm on the shank and forming a junction therewith, a transverse blade on the cross-arm providing a fluke, and a stock slidably mounted on the anchor adjacent the junction between said shank and cross-arm for movement from collapsed position to an operative position lying substantially crosswise of the shank, the stock having a bend adjacent an end thereof whereby the stock may be'folded to extend upwardly along the shank in collapsed position, said bent being so shaped that the greatest distance of the collapsed stock from the shank is less than one-half the width of the fluke blade.

WILLIAM J. CONROY.