Ajax Mfg. Co. v. National Mach. Co.

93 F.2d 344, 1937 U.S. App. LEXIS 2808
CourtCourt of Appeals for the Sixth Circuit
DecidedDecember 7, 1937
DocketNos. 7289, 7290
StatusPublished
Cited by6 cases

This text of 93 F.2d 344 (Ajax Mfg. Co. v. National Mach. Co.) is published on Counsel Stack Legal Research, covering Court of Appeals for the Sixth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Ajax Mfg. Co. v. National Mach. Co., 93 F.2d 344, 1937 U.S. App. LEXIS 2808 (6th Cir. 1937).

Opinion

SIMONS, Circuit Judge.

The present patent infringement suit involves two patents issued to William E. Clouse, both relating to improvements in forging machines. The first, No. 1,297,101, granted March 11, 1919, on application filed October 14, 1918, is for a heading slide and was held below to be valid and infringed; the court overruling the master’s findings in such respects. The second patent, No. 1,683,956, granted September 11, 1928, on an application filed June 8, 1926, is for a gripping slide, and was held invalid for want of invention in affirmance of the master’s report. No. 7289 is the appeal of the defendant below from the decree on the first Clouse patent, and No. 7290 is the plaintiff’s appeal from the decree dismissing its bill in respect to the second Clouse patent.

Forging is plastic deformation of metal, ánd forging machines are designed to accomplish generally the various operations earlier performed in the forge of the blacksmith by hammer and anvil. The general organization of such machines has become conventional and fcjllows substantially that disclosed by the now expired patent to J. R. Blakeslee, No. 395,806, granted in 1889. The commercial structure of the plaintiff and the alleged infringing device in the, main follow such conventional organization. A forging machine usually consists of a massive bed on which are mounted two dies; one stationary and the other movable and carried by a gripping slide. The gripping slide moves transversely of the path of movement of the main or heading slide, which carries the forging tool, so that when metal which is to be worked is introduced between the dies and gripped, the tool carried by the heading slide forms it to the impression provided in the dies. It is the hammer of the more primitive hammer and anvil combination. The heading slide is reciprocated by some conventional means for translating rotary into reciprocating motion operatively connected to the shaft, which also through well-known means reciprocates the gripping slide in timed relation to the movement of the heading slide.

It was long understood that a heading slide for forging machines must not be too short for the reason that a short slide with appropriate clearance between it and its frame or bearing tends to cock, and so destroys the proper alignment of the tool with respect to the work. Lengthening the slide reduces the amount of cocking and thus also variations in articles produced on the machine. The long slide, however, introduced other sources of error, since it subjected a relatively long portion of the frame to stretch and the entire slide was subject to compression. The inventor sought to reduce the size of forging machines without shortening the heading slide or sacrificing its advantages, and to provide a heading slide wHch bridges the operating shaft and its connections so as to enable the slide to be supported both forward of and to the rear of the shaft. He says in his patent: “Heretofore the shaft has been located back of the path of the movement of the slide and the pitman or the like has been interposed between the shaft and the slide.” Clouse sought to accomplish his objectives by a heading slide conventionally mounted in a channel or frame, and bearing on its bottom, but having an intermediate arched portion bridging the shaft and its connections, with the arch so proportioned as to permit an eccentric and pitman to work freely below the arch to reciprocate the slide. He was allowed two claims, both printed in the margin.1 By means of this construction, it is contended, he eliminated much of the stretching of the frame and compression of the slide, secured greater precision in the operation of the tool, and therefore more uniformity of product.

The court below recognized, as did the master, and as do we, that all of the elements of the claims in suit are disclosed by the prior art in similar or related environment. Forging machines having heading slides with outboard bearings and actuating means housed by the so-called offset portions are depicted or described in patents to Marland, 172,272; Laclcner, 355,456; Long, 938,599; and Clouse, 943,768. This was also true of old forging machines made [346]*346and sold by the plaintiff more than two years prior to the date of the Clouse application. While the present patent depicts the driving means for the heading slide to. be an eccentric and pitman, the claims are; not limited to such means, and even if theyj were to be so construed, as apparently they' were below, Blakeslee so operated from, the shaft, though his power was applied at the rear of the slide rather than at an intermediate point therein. The court concluded that since the precise combination of the patent was nowhere to be found in the art, there was no anticipation, and this is sound enough. But the court also ruled, upon authority of Webster Loom Co. v. Higgins, 105 U.S. 580, 591, 26 L.Ed. 1177, and Expanded Metal Co. v. Bradford, 214 U.S. 366, 381, 29 S.Ct. 652, 53 L.Ed. 1034, that the patent must be sustained because it disclosed a new combination of elements, old in themselves, but producing a new and useful result. This was conceived to be in securing better alignment and longer and more uniform stroke in the slide, and in making some forging operations possible for the first time.

The principle, so often applied by this as by other courts, that invention may reside in a combination wherein old elements are for the first time brought into operative relationship, does not, however, relieve us of duty to determine whether the creative faculty is exercised in the concept of their combination, for a patentable combination “is as much a unit in contemplation of law as a single or noncomposite instrument” Leeds & Catlin Co. v. Victor Talking Machine Co., 213 U.S. 325, 29 S.Ct. 503, 505, 53 L.Ed. 816, and, “Invention in a combination patent lies in the concept of combining the several elements, whether they be old or new ” Kodel Electric & Mfg. Co. v. Warren Telechron Clock Co., 6 Cir., 62 F.2d 692, 694. In determining whether the inventive faculty is exercised,the problem is not that of ascertaining novelty or utility of a disclosed machine, far these are often the product of skill in the art. So producing a new or an improved result is not conclusive upon the question of invention, for however meritorious may be the inventor’s thought in terms of result, unless the means adopted in attaining it denote invention, either separately or in combination, he may not have a valid patent. Reo Motor Car. Co. v. Gear Grinding Machine Co., 6 Cir., 42 F.2d 965, 968.

Careful analysis of the claims in suit and the specification and drawings of the patent in the light of the state of the art, compels the conclusion that what the inventor did, and all he did, was to place a well-known means for translating rotary motion into reciprocatory sliding motion at a point intermediate the ends of his heading slide instead of at its rear. We have held, Lees-Bradner Co. v. National Tool Co., 6 Cir., 52 F.2d 782, 783, Detroit Stoker Co. v. Brownell Co., 6 Cir.,

Related

Cite This Page — Counsel Stack

Bluebook (online)
93 F.2d 344, 1937 U.S. App. LEXIS 2808, Counsel Stack Legal Research, https://law.counselstack.com/opinion/ajax-mfg-co-v-national-mach-co-ca6-1937.