US674495A

US674495A - Hay-stacker.

Info

Publication number: US674495A
Application number: US3239700A
Authority: US
Inventors: William A Cavett
Original assignee: HAYDEN A PARSONS
Current assignee: HAYDEN A PARSONS
Priority date: 1900-10-08
Filing date: 1900-10-08
Publication date: 1901-05-21
Anticipated expiration: 1918-05-21

Description

No.- 674,495. Patented May 2|, 190i.

W. A. CAVETT.

HA'Y STACKER.

lxcatzon fil ed Oct. 8, 1900.) Mo l-) 2 sheetssheet Patented May 21, l90l.

w, A. CAVETT.

H A Y 8 TA 6 K E R.

(Applicatipu filed Oct. 8, 1900.)

2 Sheets$heet 2,

(No Model.)

WJV-

lgazgier,

UNITED STATE ATENT FFICE.

WILLIAM A. CAVETT, OF KIRKSVILLE, MISSOURI, ASSIGNOR OF ONE-HALF TO HAYDEN A. PARSONS, OF LAPLATA, MISSOURI.

HAY-'STACKER.

SPECIFICATION forming part of Letters Patent N 0. 674,495, dated May 21, 1901.

' Application filed October 8, 1900. Serial No. 32,397. (No model.) 7

To all whom, it Wtcty concern;

Be it known that 1, WILLIAM A. CAVETT, a citizen of the United States, residing at Kirksville, in the county of Adair and State of Missouri, have invented a new and useful Hay-Stacker, of which the following is a specification.

My invention is an improved hay-stacker; and it consists in the peculiar construction and combination of devices hereinafter fully set forth, and pointed out in the claims.

In the accompanying drawings, Figure 1 is v a perspective view of a hay-stacker embodying my improvements, showing the fork lowered. Fig. 2 is a detail view. Fig. 3 is a vertical longitudinal sectional view showing'the fork raised to its highest position in full lines and in an intermediate position in dotted lines.

The ground or base frame 1 comprises the sills or runners 2 and the cross-bars 3 4 5. The cross-bar 3 is disposed at the end of the ground-frame which I will term the inner end, the cross-bar at is disposed near the center of the ground-frame, and the cross-bar 5 is disposed near the outer end thereof. A pair of standards 6 rise from the cross-bar 3, and a differential pulley 7 has its bearings in the said standards. Said difierential pulley has the larger section 8 and the smaller section 9. A direction sheave 0r pulley 10 is supported on the cross-bar 3, and an operating-rope 11 is attached to the larger pulley or section 8 and is adapted to be coiled thereon and to be uncoiled therefrom, and said operating-rope passes around one side of the direction-sheave 10, as shown. The standards 6 are braced by means of bars 12. Any other suitable means may be employed for bracing said standards. A stop-frame 13 connects the cross-bars 4 5, and said stop-frame, which is of the form here shown, is provided with a cross-bar 14 at its upper side.

The fork-frame 15 has the extensible bars 16, forming the sides thereof, the inner ends of which are pivotally connected to the sills or runners of the ground-frame near the inner end of the latter, as at 17. The bars 16 comprise the inner pivotal sections a, and the outer extensible sections 1), which bear against the sections a, are adapted to slide longitudinally thereon and are secured thereto by suitable keepers c.

Stirrups d are pivoted to the inner sections a, and when the sections 17 are extended the said stirrups (1 may be caused to engage the inner ends of the sections b to support the latter in their extended positions. A cross-bar 18 connects the inner sections or together, the ends of the said cross-bar bearing on the outer sections 17. Braces 19 connect the inner portions of said inner sections a to the central portion of cross-bar 18. At the free outer end of the fork-frame is the fork 20, which is of the construction shown. The short fork-fingers 21 are pivotally attached to the head of the fork, as at 22, and are connected together by a cross-bar 23. Hook-rods 24 have their outer ends pivotally attached to two of the fingers 21, and the inner hooked ends of said rods 24 are attached to the sections b of the side bars of the fork-frame by means of a series of adjusting-openings 25, with which said bars are provided. Thereby the fingers 21 may be disposed and secured at any desired angle with relation to the loadcarrying fingers of the fork.

A hoisting-frame 26 is pivotally connected at its lower end to the cross-bar 4 of the ground-frame, and said hoisting-frame is adapted to rock or oscillate. The same is braced laterally by brace-rods 27, the lower ends of which are connected to eyebolts 28 on the ends of the cross-bar 4. When the hoisting-frame is in substantially a vertical position, as shown in Fig. 1, the same bears against the cross-bar 14 of the stop-frame 13. In the upper end of the hoisting-frame is a differential pulley 29, which has a central section 30 and sections 31 on opposite sides thereof, the diameter of sections 31 being less than the diameter of section 30. A hoisting-rope 32 is attached to the smaller section of differential pulley 7, is adapted to be coiled thereon and uncoiled therefrom, and said hoisting-rope is attached at its opposite .end 5 to the larger section 30 of differential pulley 29 and is adapted to be coiled on and uncoiled from said section 30. Connecting-ropes 33 are attached to and adapted to be coiled upon and uncoiled from the smaller sections 31 of dif- I00 ferential pulley 29, and said ropes have hooks 34, which engage eyebolts on abar 35, which is connected to the fork-head by rods 36. Chainsections 37 of suitable length are attached to the said eyebolts and depend therefrom when the fork-frame is shortened, as shown in the drawings. When the said fork frame is lengthened or extended, the hooks 34 of ropes 33 are detached from the eyebolts and attached to the free ends of the chains 37,which latter serve to increase the length of ropes 34 as is required by the extension of the length of the fork-frame.

A rocking frame 38, which I will term a canting-frame, is of V shape and is pivotally attached to the stop-frame 13 at a point near the cross-bar 4, as at 39. When the said (ranting-frame is raised, it contacts with the outer side of the cross or stop. bar 14. Said canting-frame is drawn downward normally by a spring 40. A rope 41 connects the free end of the canting-frame to the stop-bar 14,

and said canting'frame carries a winch 42, to which is attached guy-ropes 43, which pass through guide-eyes 44, with which the canting-frame is provided, said guy-ropes being attached to the fork-frame near the free outer end thereof, as shown. The winch 42 serves to regulate the length of the guy-ropes, as will be understood.

The operation of my invention is as follows: When the fork has been loaded, a horse attached t0 the rope 11 in the usual manner is caused to draw outward on said rope, and thereby rotate the differential pulley7 as the rope l1 uncoils from the larger section 8 thereof. The rotation of the differential pulley causes the sections 9 to slowly coil the rope 33 thereon and slowly uncoil the rope 32 from the larger section 30 of difi'erential pulley 29 and by rotating said differential pulley cause the ropes 33 to be slowly coiled upon the smaller sections 31 of said pulley 29, and hence maximum leverage is exerted upon the continuing to raise the fork, the frame 26 condischarges its load onto the stack or rick which is in course of erection. The horse is then backed to slacken the rope 11, whereupon the canting-frame is drawn downward by the spring 40 and caused, through the guy-ropes 43, to cant the fork-frame rearward-to overcome the dead-center, the weight of the forkframe as it descends toits initial position causing the ropes 33 to rotate the differential pulley 29, the rope 32 to'rotate the differential pulley 7, and the latter to reel up the rope 11 as said rope 11 is slackened.

Ordinarily while the stack is being erected the short fingers 21 of the fork-head will be disposed at'such an angle with reference to the long fingers of the fork that the hay will be discharged by its own-gravity from the forkwhenthe latter reaches theupper limit of its movement. When the stack is nearly finished and it becomes necessary to top out the same, the short fingers 21 are so disposed with relation to the long fingers 'of the fork that they will not discharge the load by gravity from the fork, but will support the same when hoisted, so that a man stationedon the top of the stack can with a hay-fork remove the load from the stacker-fork and dispose the same appropriately on the cap of the stack While topping out and finishing the same.

Having thus described my invention, I claim- 1. In a hay-stacker, the combination of a tached to the larger section of said latter differential pulley, substantially as described. fork-frame at the initial movement of the 2. In a hay-stacker, the combination of a ground-frame, a difierential pulley thereon, a fork-frame-and hoisting-frame pivotally connected to the ground-frame, adifferential pulley carried by the hoisting-frame, ropes connecting the fork-frame to the smaller sections of said latter dilferential pulley, a rope connecting the larger section thereof to the smaller section of the differential pulley on the ground-frame, an operating-rope attached to the larger section of said latter differential pulley, a canting-frame and guy-ropes connecting the latter to the fork-frame, substantially as described.

In a hay-stacker, the combination of a ground-frame, a differential pulley thereon, a fork-frame and hoisting-frame pivotally connected to the ground-frame, a differential pulley carried by the hoisting-frame, ropes connecting the fork-frame to the smaller sec tions of said latter differential pulley, a'rope connecting the larger section thereof to the smaller section of the difi erential pulley on In testimony that I claim the foregoing as the grou nd-frame, an operating-rope attached my own I have hereto affixed my signature in 10 to the larger section of said latter difierential the presence of two Witnesses.

pulley a canting-frame and uy-ropes connecting the latter to the forlz-frame, and a WILLIAM OAVETT' stop-frame to limit the movement of said Witnesses:

canting and hoisting frames, substantially as O. H. BULKLEY,

described. J. T. WADDILL.