124 F. 545 | U.S. Circuit Court for the District of Northern New York | 1903
In machines constructed for the manufacture of knitted fabrics a series of needles are arranged vertically around the circumference of a horizontal circular casting known as the “cylinder.” The needles are placed in molds, and a preparation poured about them, which hardens and holds them in position in so-called leads. Knitting is done by the manipulation of thread or yarn upon and off these needles by means of burrs and wheels, the construction of the burrs not being susceptible of a brief and plain description. A take-up suspended above the machine receives the completed fabric. Some of the burrs and wheels are placed inside and others outside the web. The burrs and wheels are each mounted on a separate standard, which are arranged in feeds, and the number of burrs in a feed depends on the character of the work. Some work requires two stands to a feed in the outer circle, some four, and some six. The stands composing a feed are grouped together. The number of feeds used is limited by the space around the circle. In knitting varieties of fabric and grouping burr supports a large number of changes of position is necessary. The invention covered by the complainants’ first patent, No. 307,152, relates to .facilitating the adjustment of the stands which-support the inner burrs and wheels. Before the application for this patent the complainants began the use. of a device in evidence, “old inner circle.” In this we find no provision for moving the stands around the circle. It could support but four stands, and their positions were fixed. The patent is a device for the circumferential adjustment of the inner burr stands, the claim being for the combination of the ring plate with a recessed bracket, a set screw to hold the bracket upon the ring, and other parts similar-to those employed in the old inner circle.
This invention was useful and novel and successful. It was a pioneer invention. It is not shown that there was any prior device that would perform the function of the one described. It has been acquiesced in and is used on about tw.o-thirds of the rotary knitting machines in use. There has been a large use and large sales. It is clear that this patent is not void for want of novelty. It was new and useful, and displayed great inventive skill. This court fails to dis
As to the second patent, No. 360,931, this court does not see that it would serve any useful purpose to describe it in detail, or to describe the defendants’ construction in detail. The claim is as follows:
“(1) The combination of the ring, R, formed with the annular T-shaped groove, a, and opening, O, with the plate, P, formed with the slot, S2, and the bolt, B, provided with the nut, N', all constructed and arranged substantially as and for the purposes specified.
“(2) The combination, with the cylinder of a knitting machine and supports arranged concentric thereto, of the ring, R, arranged on said supports, and formed with an annular, T-shaped groove, a, in its upper face, and opening, O, the plate, P, formed with slot, S2, the bolt, B, and nut, N', the standard, A, made with the base ring, r, and threaded stem, t, and the fastening nut, n', all substantially as described.”
The specifications state in part:
“Be it known that we, Albert Tompkins and Ira Tompkins, of the city of Troy, county of Rennselaer, state of New York, have jointly invented a new and useful improvement in circular-knitting machines, of which the following is a specification:
“Our invention relates to that part of a circular or rotary knitting machine that is used to attach thereto the burr-holder and presser-wheel standards. As circular or rotary knitting machines have heretofore been generally constructed, a table plate was arranged around the vertical shaft of the machine below the cylinder to receive the burr-holder and presser-wheel standards. This table plate was radially slotted to receive the standards, the lower ends of the latter being passed through the slots to rest on a rim formed on the standard, with the lower end of the latter, where passed through the slot and below the table, being adapted to receive a nut, by which said standard was kept in position. As thus made the relative position of the burr-holder and presser-wheel standards was arbitrarily limited to that of the slots, and where the machines were required to knit differing kinds of work that called for a change in the relative position of the burr-holders and presser-wheels, that could not be had by a slotted plate adapted for ordinary work, then the table plate had to be changed, there being required several kinds of plates having different arrangement of radial slots to condition a knitting machine for different kinds of work. To adapt a knitting machine for any radial arrangement and location of burr-holders and presser-wheels, and without the use of a series of the table plates, is the object of our invention. * * *
“As thus made, any number of slotted plates like that indicated at P may be applied by means of nuts or bolts to the ring, R, that the circumference of the annular groove, a, will contain, and they may be secured at any point in the circumference of the said ring relatively to the machine cylinder that may be desired, said ring being arranged on the machine table concentrically to the said cylinder. As thus made and applied, the burr-holder or presser-wheel standards may be adjustably attached to the said slotted plates, and the latter adjustably attached to the ring, R, and all the advantages which could be had by a series of table plates are obtained without the inconveniences of the latter.”
This court cannot, on cajeful study and examination, discover that each of its claims has one or more elements not found in the defendants’ construction, or that any one has. This court finds in defendants’ construction substantially each and every element of the com'plainants’ patent. This court finds that the defendants have infringed both patents.
The defendants urge that the second patent is void, the invention having been in public use and on sale more than two years prior to the date of the application for a patent. This 'contention is based on a
True, the defendants somewhat, in some respects, have changed the form of the device, or-some of the mechanical elements of the combination making up complainants’ invention and covered by their patents, but they are not improved or substantially changed. The complainants’ principle and mode of operation has been adopted. The form of the machine or of the elements changed is not a distinguishing characteristic. This change does not avoid the charge of infringement. National H. B. Co. v. I. B. Co., 106 Fed. 693, 45 C. C. A. 544.
As to the second patent, No. 360,931, dated April 12, 1887, the complainants are entitled to the injunction asked and to an accounting.
A decree- will be granted accordingly.
