Hammon’s improved ox yoke as published in The Cultivator Vol 3, third series 1855.
The annexed figures are views of an improvement in Ox Yokes, for which a patent was granted to Heman B Hammon, on the 16th of last May. The nature the invention consists in securing over the end of the bow, the ferrule, c, fig. 3, and securing the bow in the beam, a, fig. 2, with the washers, e and f, figs. 6 and 7.
a a is one half of the yoke beam made in the usual manner, showing the bow, b, secured in the yoke beam by the ferrule, c, and the washer, e f c. fig. 3 is a view of the ferrule before it is secured to the bow, d. fig 4 is a longitudinal sectional view of the ferrule. k is a groove to receive the projection, g, of washer, e. j is a concave in the upper end of the groove, from three eighths to one inch in length, to prevent the top of the ferrule from spreading apart when the ferrule is on the bow. I I are apertures, two or more, to receive the projection, g, after it has passed down the groove, A. The apertures, I, and projection, g, are to hold the bow in the yoke beam as at, a, fig. 2. The object of having one, two, or more apertures in the ferrule, is to suit it to any sized necks. e and f are views of the washers. h is a hole through the washer to receive the pin, i, the pin, t, and hole, h, is to prevent the washer, e, from being disconnected from the ferrule, e, if by accident the bow should be raised up through the yoke beam as shown in fig. 1 and the washer. e, should be raised out of the lower part of the aperture as shown in fig. 1. g g are screws to firmly secure the washer to the top side of the yoke beam, m, is a screw to secure the ferrule to the bow Fig. 6 is a view of the bow with the ferrule attached. It will be observed that the washer, fig 3, has an oblong opening in it; this is to make it adjust itself to a yoke, the surface of which is either straight or hollowed, as in the old-fashioned kind. The claim of this patent is for the combination of the ferrule, c, or its equivalent, and the washers, e, and f, for fastening ox bows, as thus illustrated and described.
More information respecting this improvement In ox yokes may be obtained by letter addressed to the patentee, Mr. Hammon, at Bristolviile Trumbull Co Ohio.
The actual patent is linked below.