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ders in the recess of the recoil plate. This form of shoulder, instead of being rounded or wedged, as heretofore made, which allows the barrels to spring off from the recoil in firing, securely locks the parts together."

The pivot, d, is the pivot pin on which the barrels turn when their rear ends are thrown up. The claim founded on the above description, and which is the claim alleged to have been infringed by the defendant, is as follows:

“(1) In breech-loading fire-arms the projection, k, formed with square shoulders on its sides, in combination with the recoil plate, provided with a corresponding recess, the shoulders on said projection and on the recess being curved in the arc of a circle struck from the pivot on which the barrels turn, substantially as and for the purposes described."

In the defendants' fire-arm there is a projection extending backward from the rear end of the barrels and fitting into a corresponding recess in the recoil plate. The projection has square shoulders ; that is, their horizontal section is a right angle. But instead of being curved in the arc of a circle struck from the pivot on which the barrels turn, the shoulders are straight and tangential to the line of movement. In both the plaintiffs' and the defendants' arms the shoulders come up to the top surface of the barrels.

It is contended for the plaintiffs that the curving of the shoulders is immaterial, and non-essential to the operation of the device, and that the invention really consists in the square shoulders coming up to the top surface of the barrel. Evidence to show this has been introduced on the part of the plaintiffs, and evidence to show the contrary has been introduced on the part of the defendant.

It is very clear that the vertical form of the shoulders is made an element of the claim by distinct language, and as that forms a curve in the arc of a circle struck from the pivot on which the barrels turn, and is not found in the defendant's arm, the plaintiffs contend that the rectilinear shoulders in that arm are the equivalents mechanically of the curved shoulders of the patent.

If the claim had been intended to be a claim broadly to square shoulders, without reference to their vertical form, it would have been easy to make such a claim. But the claim industriously introduces the element of the vertical curving. The inventor must have regarded that as a material element, and those who claim under the patent cannot now be heard to say that it is immaterial. The question cannot now be left for the domain of testimony. It is determined by the claim. Otherwise the plaintiffs are put in the position of averring that the specification contains more than is necessary to produce the desired effect, and it is impossible to escape the conclusion that this was done for the purpose of deceiving the public, because the presumption is that the claim would not have been allowed in any broader form than that in which it appears.

The patent to Gundersen of December 30, 1873, shows a barrel constructed with an extension rib, on which are found shoulders which are rectangular in a lateral direction, and engage with corresponding shoulders on the recoil plate. All the shoulders are rectilinear in a direction about tangential to the line of movement at its intersection with the upper edge of the barrel. They do not extend to the top surface of the barrel, but are covered by the extension of the rib.

In view of the Gundersen patent there was no ground for Le Fever to claim shoulders rectangular in their horizontal cross section, and extending out to the top surface of the barrel, without reference to their vertical form. There would have been no invention in merely prolonging the upward extent of the shoulders; so the curved vertical form of the shoulders was introduced in connection with their being square. So far as appears, the first claim was novel and is valid, but it is not infringed by the defendant, because in its arm the shoulders are rectilinear.

The bill is dismissed, with costs.

FROST and others v. MARCUS and another.

(Circuit Court, 8. D. New York. March 11, 1882.)

PATENTS FOR INVENTIONS-INFRINGEMENT-INJUNCTION.

Although defendants' structure contains improvements, yet if it involves the patented invention its use may be enjoined.

G. M. Plympton, for plaintiffs.
Dickerson & Dickerson, for defendants.

BLATCHFORD, Justice. The decision in Massachusetts disposes of all the questions on this motion in favor of the plaintiff, except that of infringement. As to that, the alleged infringing article here clearly comes within the principles of the decision under which the defendants' article in the Massachusetts case was held to infringe. It adds two nipping places to the one the patent has, thus making three. It distributes the strain as to the material of the plate, and it bites more of the fabric by nipping it at three places. Thereby the sides of the structure before reaching the first nip may be made more rapidly converging, because that nip is not required to hold so firmly, or so much of the fabric. Yet the first nip holds more or less according to the thickness of the fabric in it as compared with the convergence of the sides, and although when the fabric is drawn through the first nip it is held by the other two nips, and is packed in the wider end portions, it still, as to part of it, continues to be held by the first nip. The defendants' structure doubtless contains improvements, but it involves the patented invention. The motion for an injunction is granted.

THE CIMBRIA,

(District Court, E. D. Nero York. June 30, 1882.)

SHIPPING–NEGLIGENT STOWAGE-LIABILITY FOR Loss.

In the stowage of drums of glycerine care must be taken to prevent working of the tiers in case of springing of the ship, and the vessel will be liable for loss or damage where the exercise of proper care would have prevented any injury arising from any springing of the ship.

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Scudder & Carter, for libellants.
Butler, Stillman & Hubbard, for respondents.

BENEDICT, D.J. This action is to recover for the loss of the con. tents of two drums of glycerine, during a voyage from Hamburgh to New York, on the steamer Cimbria. The two drums in question formed part of a shipment consisting of 26 drums, made under an ordinary bill of lading, wherein is an exception of liability for damage caused by perils of the seas or arising through insufficiency in strength of the packages. The drums when shipped were in good order; upon arrival two of them were found to have been cut through, apparently by a sharp edge, and the contents gone. These drums were of sheet iron, in thickness about three-sixteenths of an inch, with heads about 28 inches in diameter. On each end, where the head was joined, was a ridge or rim, and around each drum at the middle were two iron rings, projecting from the surface of the drum from one and three-fourths to one and one-half inches; the body of the drum being in this way protected by these rolling rings, on which the drum rests. Drums constructed in this manner, for the purpose of transporting glycerine, have been used for some time on Atlantic voyages, and have proved to be sufficient for the purpose.

The testimony warrants the inference that the cuts in the drum in question were caused by pressure of the rolling rings of another drum during the voyage of importation.

On the part of the vessel it is contended, first, that the loss of the glycerine arose from the insufficiency of the drums, and therefore is not to be borne by the ship. But the testimony does not support this contention. Neither the special exception in this bill of lading nor the law will absolve the ship from liability when merchandise of this character is placed in a vessel sufficiently strong to withstand the necessary pressure which arises from ordinary stowage and ordinary handling during an Atlantic voyage. The drums in question are proved to be sufficient, with the rule as above stated.

It is next contended on the part of the ship that the loss arose from a peril of the seas; and it has been proved that during the voyage in question the steamer encountered unusually heavy weather, which caused the steamer to labor heavily, and that during the heavy weather the drums of glycerine were found to be rolling on two occasions, when they were restowed, and thenceforth were not moved by the heavy seas. From this testimony the fair inference is that the cuts in the drums under consideration were made while the tiers were thus working during the storms. The question then arises whether due care was used in the stowing of the drums at the port of shipment. The stowage was as follows: The drums were stowed in tiers upon the lower deck, with nothing above them. Each drum was chocked with pieces of wood so as to leave about one-half an inch between the rolling rings of the drums. These chocks were placed horizontally between the drums, and what happened was that the drums moved so as to permit some of the chocks to drop down, when, of course, the whole tier became loose. While so loose the rolling rings of some of the drums would be likely to come in contact with the body of other drums, and in this way, doubtless, the two drums in question were cut through. At the time when the drums were discovered to have shifted they were restowed, and then with upright chocks. In this way the tiers were so fastened that they no longer moved. The character of the drums made it plain that if the tiers should get loose on the voyage the drums would be likely to cut each other, and called for unusual care to prevent a working of the tiers. But according to the testimony of the officer who stowed these drums no greater care was taken in stowing them than is taken with wine casks, or casks of any spirits or liquors or cherry juice. It seems to me not unreasonable to require, in respect to drums of this

character, in the original stowing the exercise of the same care to prevent working that was afterwards taken when the drums were found to be rolling, and because of the absence of such care I hold the ship responsible.

I have not overlooked the testimony to the effect that an iron steamer will spring in such heavy weather as this vessel experienced, and that it is not possible so to stow a cargo that it will not loosen when the steamer springs under such circumstances. But I am satisfied that the exercise of proper care in the stowing of these drums would have prevented injury arising from any springing of the ship.

There must, therefore, be a decree for the libelant.

THE ANT.

District Court, D. New Jersey. July 13, 1882.)

COLLISION-MEASURE OF DAMAGES FOR Loss.

In case of a total loss of a canal-boat and her cargo of coal by a collision the measure of damages is the value of the boat and of the cargo immediately preceding the collision. So, where a canal-boat was sunk in 40 feet of water, and there purchased and raised, and floated to a distance, and was there sunk and destroyed by a collision, the measure of damages was the price paid for her where she was first sunk, the value of her cargo, and the expenses incurred in raising and floating her to the place of the collision.

Libel in rem.
Beebe, Wilcox & Hobbs, for libelants.
Benedict, Taft & Benedict, for claimants.

Nixon, D. J. On the libel originally filed in the above case the court decided that the collision was one of mutual fault, and ordered a reference to ascertain the aggregate amount of the damages, in order that the same might be apportioned equally between the parties. The commissioner has taken the testimony and made his report, and the matter now comes up on exceptions thereto filed by the proctor for the claimants.

Upon the reference it was the duty of the commissioner to ascertain as nearly as possible, under the circumstances, the value of the canal-boat Chandler at the time of the injury, the loss of the cargo, and the increased expenses which the libelants incurred by reason of the collision. He has reported the aggregate damages at $1,476, as follows:

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