US66621A - Improvement in hobse hay-forks - Google Patents

Description

@attrib gisten gstrnt @ffies S. W, PATTERSON SANFORD DEWEY, OF MAINESBURG, PENNSYLVANIA.

Letters Patent No. 66,621, dated July 9, 41867.

IMPROVEMENT IN HORSE HAY-FORKS.

TO ALL WHOM IT MAY CONCERN:

Bc it known that We, S. W. PATTERSON and SANFORD DEWEY, of Mainesburg, in the county of Tioga, and State of Pennsylvania, have invented a new and useful Improvementin Hay-Elevating Forks; and we do hereby declare the following to be e full and exact description of the nature, construction, and operationoi` the same, reference being had vto the accompanying drawings, which are made a part of this specification, and in which-` Figure 1 is aside elevation of a hay-fork, illustrating our invention, the same being represented in its closed condition, and as it appears when ready to be inserted into the hay. A

Figure 2 is a similar view, representing'the fork in its closed condition, ready to elevate the hay suspended upon the notched prongs.

Figure 3 is a sectional view of the head or upper portion of the rake, representing more clearly the pulleys over which work the elevating and discharging-ropes.

Figure 4: is a detached edge View ofthe elevating-prongs. l t

Similar letters of reference indicate corresponding parts in the several' figures.

The objects of our said invention are to enable the fork, with its load of hay, to be elevated with less power than that which is requisitein using forks of the ordinary construction, to increase the capacity of the elevatingprongs for holding the hay in suspension, and to prevent the elevating-prongs from becoming locked together in the event ofthe penetrating point being inserted into any hard substance, such asthe wagon-rigging or floor.

The following description will enable others skilled in the art to which our invention appcrtains to fully understand and use the same.

In 'the accompanying drawings, B Bl represent a pair of iron levers, pivoted together at E, and elevated amlowered by means of a rope, S. This rope S passes around the pulley A, which is journaled in the head I-I ofthe hay-fork, and thence passes upward and over the pulley, which is suspended from the roof of the barn in customary manner. The head H is made' of band iron, say three inches in width, and long enough to form, when bent in the manner represented, an -enclosure and bearing for the pulley A. At one side the head Il is bent at its lower end, as shown at r, fig. 3, and the upper end of the larger lever B is bent in the opposite direction, as shown at b, thus forming a receptacle for the accommodation of the small pulley It, over which plays the rope D, which is attached to the outer extremity ofl the toggle-lever C, and which enables the levers to be closed and the hay discharged when elevated to the proper-point. I, in figs. l and @represents the axis ofthe pulley It. K represents the rivets by which the head H is secured to the upper end of the lever B. By means of the large pulley A we are enabled to 4gain power, and thus elevate agiven weight of hay with a degree of facility which has not been heretofore attained in implements of this character. The toggle-levers C C serve to hold the levers B B1 in their open ,position while the hayl is being elevated upon the prongs B2 B2; and said togglelevers also enablethe fork to bjc closed by means ofthe rope D, as before stated. The lever'B, which is somewhat longer than the lever B1, is pointed at its lower extremity, to adapt the fork to readily penetrate the hay when closed. At a suitable distance from the extreme point of the lever B is formed a shoulder, M, (see gs. 2 and 4,) which protects or shields the blunt end L of the lever B1 when the fork is closed and being inserted into the hay. By referring to fig. 4, it will be seen that tliefork might be driven some distance int-o vthe floor, rigging, or other hard substance, without interfering with the opening of the levers B Bl after such penetration, because the point G ofthe lever B may be imbedded to a certain extent, and still leave the lower extremity of the other lever free.- We construct the levers B B1 with two elevating-shoulders each, each lever having been heretofore constructed with but one shoulder. The additional shoulders which we propose, and which double the elevating capacity of the fork, are designated by F F.

Having thus described our invention, the following is what we claim as new herein, and desire to secure by Letters Patent Y Y We claim themetallic head or box H, constructed and applied to the leverl B as described, and affording a bearing 'for the pulleys A and R, as and for the purpose set forth.

S. W. PATTERSON, Witnesses: SANFORD DEWEY.

J. H. GoDnAnD, D. HARBAUGB.

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