Woodcock v. Woodcock

46 F. 629, 1891 U.S. App. LEXIS 1321

This text of 46 F. 629 (Woodcock v. Woodcock) is published on Counsel Stack Legal Research, covering U.S. Circuit Court for the District of Southern Ohio primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Woodcock v. Woodcock, 46 F. 629, 1891 U.S. App. LEXIS 1321 (circtsdoh 1891).

Opinion

Sage, J.

The complainant’s patent, No. 382,302, issued May 1, 1888, application filed May 26, 1887, contains five claims, the third and fourth of which, it is alleged, defendant has infringed. They are as follows:

“(3) In a grinding-mill, a stationary burr, a running burr within the latter, composed of a burr section or sections, and a dome-plate, insertible through said burr section or sections, and from which the latter are suspended with the means of attachment, substantially as described, for the purpose hereinbefore set forth.
“(4) In a grinding-mill, the combination with the running burr, the fixed or stationary burr, and the case, having an exterior bottom flange, provided with holes for its attachment, of the annular meal trough, having the perforated lugs, mb and the bolts, a', securing said meal trough, said stationary [630]*630burr, and the case together, and a ring conveyer having radial blades located within said annular meal trough, and having means thereon for connecting it with the running burr, said meal trough being provided with a discharge orifice, substantially as set forth.”

The bill includes also patent No. 213,273, issued to J. W. and S. J. Woodcock March 11,1879, and by them assigned to complainant, March 27, 1888. Both patents relate to grinding mills; patent No. 382,202 being for an improvement on the other of earlier date. The mills are what are known as “feed grinding-mills,” commercially as “sweep mills,” and technically as “ cone and shell” mills. In construction and appearance they are not unlike an ordinary hand coffee-mill enlarged, to receive and dispose of com in the ear, or other substances, and reduce the same to meal suitable for feeding stock, or other purposes. Patent No. 213,273 was withdrawn upon the hearing, and may therefore be dismissed without further consideration.

Claim No. 3 in patent No. 382,202 is essentially for the sectional construction of the inner grinder or cone. The burr section is the lower outer periphery or skirt of the’ cone, having the final grinding teeth. The dome-plate is the upper part of the cone usually provided with breaking teeth, or preliminary grinders. These parts in the claim must be separable. The dome-plate is so formed that when put into place from below it projects through the top of the burr section, leaving the sections suspended therefrom. The means for supporting ánd attaching the parts described in the specification are over-lapping flanges and rectangular lugs, which fit into recesses or depressions of like shape on the dome-plate, and bolts which pass through these lugs and flanges.

The means for connecting the conveyer to the running burr, and the meal trough to the fixed stationary burr, in the fourth claim, consist, in the first instance, of engaging lugs, and, in the second, of perforated lugs and flanges, and bolts which pass through said lugs and flanges.

Prior patents show' each and every separate feature of these claims. Patent No. 12,461, February 27, 1855, to Charles Leavitt, for improvements in portable grain-mills, shows the sectional grinders or removable burr sections' both on the inner and outer grinders; the inner burr section supported on a dome-plate, which projects up through’the same; the meal trough, connected to the stationary base plate of the mill by overlapping flanges; and the ring conveyer, having blades in the meal trough connected to .the running burr, so as to revolve therewith. The inner cone is the stationary part of the mill, the outer shell being adapted to revolve.

Patent to Leavitt, May 11, 3858, shows sectional grinders or burr sections on both the cone and shell, the inner burr section being supported on or suspended by the cone, and the outer burr section secured in the outer shell or casing. This mill has also an annular meal trough, with a breaking flange, w'hich is connected by bolts to an exterior flange on the outer casing. In this mill the inner burr revolves, and it is provided with radial blades, which revolve in the meal trough, and convey the meal to the discharge point.

[631]*631Patent No. 22,997, to John De Frain, for an improvement in corn and cob mills, has a stationary removable burr section in the outer shell or casing, a meal trough, with a breaking flange connected by bolts to an exterior flange on the shell or casing; also radial blades, which operate in the meal trough, and are connected to the inner running burr.

Baugh’s patent, issued April 30, 1867, for an improvement in grinding-mills, shows the removable outer and inner burr sections, the outer shell or case, with an exterior bottom flange and an inner revolving cone, the burr sections of which have inwardly projecting flanges at the top, by which they are connected to the dome-plate.

Patent November 23, 1875, to Hedges, shows an inner running cone or grinder, made in two sections, the lower burr section being bolted to the dome-plate. It has an outer stationary casing, with an exterior bottom flange, and a removable sectional grinder forming a part of the casing. The inner grinder revolves in an outside casing, as it does in complainant’s patent.

The Hiscock and Sumner patent, February 15, 1876, No. 173,632, shows the inner and outer removable sectional grinders or upper sections, and a dome-plate from which the inner sectional grinder is supported, and which is inserted through the upper section. This mill has also an annular meal trough supported from the stationary frame of the mill, and radial blades or scrapers connected with the inner movable grinder, and revolving in the meal trough to convey the meal to the discharge. In this mill both the outer and the inner grinders revolve, but in opposite directions.

The Powers patent, March 16, 1877, No. 188,184, is for a mill having outer and inner sectional grinders. The inner section is provided with an interior flange, connected by bolts to the dome-plate. The outer section is connected by perforated lugs and bolts to the outer casing. In this mill the outer grinder rotates, and the inner grinder is stationary.

The Litchfield patent, No. 219,166, September 2, 1879, has inner sectional grinders with interlocking projecting lugs, connecting the burr section with the dome-plate, to take the strain off the connecting bolt. The lugs or projections fit into corresponding recesses in the dome-plate and grinding sections, respectively.

Baugh’s patent, No. 233,833, November 2, 1880, is for a mill for reduction, particularly designed to grind ores of a silicious nature, as quartz, but relating to grinding or holding blades in crushing and grinding mills in general. It shows sectional inner and outer grinders; the exterior perforated flange in the stationary casing having bolts, which pass through ears or flanges on a feed trough, and connect the same and the inner stationary burr together. The inner burr sections have projecting flanges connecting them to the driving parts, and answering to the dome-plate in complainant’s patent. A moving radial blade or scraper connected with the inner revolving grinder travels in the meal trough, and carries the meal to the discharge point.

The Field and McGee patent, for feed-mill, No. 246,877, September [632]*63213, 1881, shows the inner and outer sectional burrs and grinders, the inner burr 'section having inwardly .projecting flanges, which are connected by bolts to the dome-plate.

Free access — add to your briefcase to read the full text and ask questions with AI

Cite This Page — Counsel Stack

Bluebook (online)
46 F. 629, 1891 U.S. App. LEXIS 1321, Counsel Stack Legal Research, https://law.counselstack.com/opinion/woodcock-v-woodcock-circtsdoh-1891.