US1486417A - Rat guard for ship cables - Google Patents

Description

March 11 1924.

S. CHEELY RAT GUARD FOR SHIP CABLES Filed May 13, 1922 INVEN TOR.

Samuel Ch ely.

Z m .7 ATTORNEY Patented Mar. 11, 1924.

SAJSEUEL CHEELY, OF LODI, CALIFORNIA.

RAT GUARD FOR SHIP CABLES.

Application filed May 13, 1922.

To all whom it may concern:

Be it known that I, SAMUEL CHEELY, a citizen of the United States, and a resident of Lodi, county of San Joaquin, and State of California, have invented a new and useful Rat Guard for Ship Gables, of which the following is a specification.

My invention relates to a device adapted to be clamped on the cable or mooring line of a ship so as to prevent the passage of rats to or from the ship while the latter is moored to a wharf.

, An object of the invention is to provide an effective rat guard which may be easily and quickly clamped on the cable and held thereon with a firm grip.

Another object of the invention is to provide a rat guard of the character described which may be used on cables of different thicknesses and on cables which have been doubled.

The invention possesses other objects and features of advantage, some of which, with the foregoing, will be set forth in the following description of the preferred form of my invention which is illustrated in the drawings accompanying and forming part of the specification. It is to be understood that I do not limit myself to the showing made by the said drawingsand description, as I may adopt variations of the preferred form within the scope of my invention as set forth in the claims.

Referring to said drawings:

Figure 1 is a front view of the guard.

Figure 2 is a sectional view taken on the line 2-2 of Figure 1.

Figure 3 is a sectional view taken on the line 3-3 of Figure 1.

Briefly expressed the device in its present embodiment comprises a pair of segmental plates pivotally connected together at one end, and provided adjacent their centers with resilient engaging members which are arranged to grip the opposite sides of the cable. The plates are formed so as to overlap one another when the device is positioned on cable. Means are provided for drawing the plates together and holding them tightly clamped on the cable.

A detailed description follows:

The rat guard as illustrated comprises a pair of fiat segmental plates 1 and 5 each preferably formed larger than a semi-circle. Suitably fixed to each of the plates such as by rivets 6 are flanges 7 and 8 having ex- Serial No. 560,706.

tensions 9 and 10 extending axially from each side of the plates. The extensions 9 and 10 are provided with dove-tail grooves 12 in which are held similarly formed ribs 14: of liners 16 and 17. The liners are preferably formed of a resilient packing material and are more or less crescent shaped in cross-section so as to fit on the opposite sides of the mooring line or cable 18.

The plates are pivoted together adjacent one end thereof by means of the pivot pin 19 which extends through ears 21 formed on the flanges 7 and 8. In this manner the plates may be easily separated and placed around the cable.

Means are provided for drawing the plates together after they are placed on the cable. Fulcrumed on one of the plate flanges 10 is lever 22, one arm 23 of which is provided with a pin 24: which is arranged to engage in one of the links 26 of the chain 4 27 which is secured to the other flange 9. The other arm 28 of the lever is in the form of a handle, which when moved in the proper direction causes the plates to move toward each other. Means are also asso ciated with the foregoing for tightly clamping the plates together and thereby holding them firmly positioned on the cable. As here shown said means comprises a segmental rack 29 which is formed on the flange 9 and is adapted to be engaged by a dog 31 projecting from the arm 28 of the lever 22. The connection between the plates is such as to permit of a slight flexible movement therebetween, so that the dog may be readily moved over the rack teeth when arm 28 of the lever is slightly elevated.

To apply the guard on the line or cable the operation is as follows:

The plates are opened and slipped over the cable. The pin 24: is then placed in one of the links, the link chosen being of course dependent on the thickness of the cable or cables upon which the guard is to be positioned. The lever handle is then moved in the proper direction whereby the plates will be drawn toward each other and the liners 16 and 17 will be pressed firmly against the opposite sides of the cable. After the plates are drawn together as far as possible, they are held clamped in this position by the engagement of the dog with the rack. As previously each of the plates comprises a segment in excess of 180. In this manner the ends of the plates will overlap each other when drawn together, practically regardless of the size of the cable.

It will thus be clear that when the device is properly clamped on the cable the rats will find it impossible to pass over or through the guard.

It is obvious that to remove the guard it is merely necessary to elevate the lever handle and then move it to release the grip of the liners. The pin 24'may then be disengaged from chain and the plates opened sufficient to fully release the guard from the cable.

I claim:

1. A rat guard for ship cables or the like, comprising a pair of disc segments pivoted together at one end, flanges extending axially from said segments, a lever fulcrumed on one of said segments, a swinging member secured to the other of said segments and adapted to be adjustably and removably attached to the end of said lever whereby upon the oscillation of said lever the pairs of segments with their associated flanges and liners Will be drawn together on said cable, and means for clamping the segments in said latter position.

2. A rat guard for ship cables or the like, comprising a pair of disc segments pivoted together at one end and capable of overlapping each other When drawn together, flanges extending transversely from each side of said segments adjacent the inner edges thereof, a lever fulcrumed on onevof saidsegments, a chain fixed to the other of said segments adapted to be removably and adjustably secured to one arm of said lever, a handle formed on the other arm of said lever, a ratchet fixed on said last mentioned segment, and means on said last mentioned arm adapted to engage in said ratchet whereby saidsegments and their associated flanges and liners Will be clamped tightly on said cable.

In testimony whereof, I have hereunto set my hand at'Lodi, California, this 2nd dayof May, 1922.

SAMUEL CHEELY.

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