US910446A

US910446A - Loading apparatus.

Info

Publication number: US910446A
Application number: US38570707A
Authority: US
Inventors: Wilfred Baker
Original assignee: Individual
Current assignee: Individual
Priority date: 1907-07-26
Filing date: 1907-07-26
Publication date: 1909-01-19
Anticipated expiration: 1926-01-19

Description

W; BAKER. LOADING- APPARATUS.

APPLIOATION FILED JULY 26, 1907.

1 m a \j w u M m a E u I D 3- T94 103 Jay W. BAKER LOADING iPPARATUF.

APPLIGATION FILED JULY 25. 1907 2 SHEETS-S13E31 2.

attozwm a stopping the travelof the v bf. South Dakota,

' fork 'WILFRED BAKER, OF'ABERDEEN,

SOUTH DAKOTA, ASSIGNOR OF TWO-'FIFTHS TO. JAMES MCCABE, OF MINNEAPOLIS, MINNESOTA, AND 'TWO-"FjIFTHSiTO ERANK'CRANE, O'F CUM- MINGS. NORTH DAKOTA.

LOADING APPARATUS;

Specification of Letters Patent.

Patented 11:11:19,- 1909.

Application filed July 26, 1907. Serial No. 385,707.

'Be'it known that I, citizen of the United Aberdeemin the VILFRED BAKER, a States, residing at county of Brown and State This invention relates to loading devices of that general class in which a wagon is provided with a box, or receptacle. and has have invented a new and useful Loading Apparatus, of which the fol-' lowing is-a specification.

at the front end a fork arrangedto gather up shocks, hay, fodder or thelike, the same into the box or receptacle without wagon,

One ofthe principalobjects of the in- 'vention is to operating mechanism in, which the liftng powerpis at. the maximum at the startthe speed of travel of the fork creasestoward the limit of discharging movement'to insurerapidity of operation and to more effectively toss the shock or other' material backward into the receptacle;

A further object of the invention is to I provide an improved fork operating mechanism which may be readily controlled by p the driver or other attendant and which is soar-ranged as to be automatically discon necte'd when the fork has reached the limit of its discharging movement, so-that danger ,of breakage or" strain of the parts'is prevented.

and toss provide an improved form of mg of the lifting movement, and in which gradually in- 1- A; still -further'object of the mast is.

to simplify and improve the construction and arrangement of the machine, in'ord'er that the latter may be more readily controlled by, the operator and'to place the steering fork actuating and brakingjmeans in such manner as tobe most convenient for the operator. J

\Vith these and other will more fully hereinafter appear, the 'in- ,vention consists in certain novel features of construction and'arrangerhent of parts, here inafter-fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims, it beobjects in view, as-

. ployed to ing understood that various chapges in the form, proportions, size and minor'detailsof the structure may be made without departing from the spirit or sacrificing any of the advantages of the invention;

In the accompanying drawmgs:;F-1gure v 0 1 lsas de elevation of a loading-device con;

structed and arranged in accordance with the invention. 7 Fig. 2 is a plan view of the same. Fig. 3 s a longitudinal sectional view ofthe apparatus showingthe fork near the com- )letion of itsload dischargingmovement. ig. 4 is a detail view, partly 111 section, of a'portion of the fork operating mechanism. Fig. 5 is aside elevation of the same showing a portion-of the frame in section. Fig. '6 is a detail plan view illustrating a portion of the automatic disconnecting mechanism. F jg. 7 is a detail view illustrating a slight modification. Fig. 8 is a detail perspective view showing the connections for automatically releasing the clutch when the fork is elevated.

Similar numerals of reference are emthroughou ings.

The main frame comprises sills or bars 10 which are connected at their rear ends by a cross bar 11, and at an approximately central point by a cross bar '12, and suitable braces 13 maybe added for the purpose of strengthening and bracing the structure.

'Near the rear end of the frame are journal the several figures 'of the drawboxes for the-support ofa rear axle 15 on indicate corresponding parts,

which are secured wheels 16, and at the front of the frame are arranged vertical casings 17 in which are mounted vertical spindles 18, the lower ends of which are turned outward to form journals for the support of the front wheels '19. dies are provided with rearwardly extending'rocker arms 20 that are connected by a link 21, and extending from this link is anarm 22 car ing a double foot rest 28 that is arranged immediately in front of and be low the operators seat 2-1, -By exerting pressure on the foot rest the vehicle'may be steered in any desired course. The braces 13 which-form a. part of thefrarne are preferably arranged bar orbrace 12 to the lower-ends of the eas- The spinto extend from the cross ings 17, these casings having suitably-in- 'clined. 'sockets 26 for the reception of ,the outer eiid's of the brace members.

The load receptacle-or box 29 is hinged at 30 to the-rear cross bar 11, the point of connection being somewhatto the rear of the longitudinal center. of the., .box, so that the latter rnaynormally-rest in .a horizontalposition .on' the, ;frame,z

ytb syee mn bna and it. may be lo k d.--

' reinforced bybrace bars 69 oted to the forward end of the box and arranged to engage a pin or lug 32 that is carried by the cross bar 12. At-the lower rear end of the box or receptacle is a cross plate or board 33 that is inclined approximately at an angle of 45 to the bottom of the receptacle, and which will rest practically flat on the ground when the receptacle is moved to dumping position, as shown by dotted lines in Fig. Above this cross plate or bracket 44 on one of the frame bars 10. As

a result of this construction, the tilting upward of the front end of the receptacle during the dumping operation will operate throughvthe chain or cable 41 and the links to move the end gate to open position.

Secured to, the lower edges of the frame bars 10 are blocks 50 through which extend bolts 51 forming pivotalsupports for the rear carrying bar 52 of a rake 53. The rake is provided with forwardly projecting arms '54: which are connected by a cross bar 55 to the ends of which are attached lifting cables 56, there being one of such cables at each side of the rake. At a point slightly in adv'ance of the forward end of the receptacle the frame 10 is provided with a pair of standards 60 which are securely held in )lace, and'the upper ends of which are rigidly connected by a tube 61. Through this tube extends a shaft 62 that is provided near its opposite ends with peripherally grooved snails 63, the outer ends of which are reinforced by side links 64:. To the 'in her rings of the snails are attached the ends of the -lifting cables 56, and as the snails are turned, the cables are wound thereon with gradually increasing speed, so that the lifting movement of the fork progresses at gradually increased speed from the load receiving to load discharging position.

Mounted loosely on one end of the shaft 62 is a sprocket wheel 65, and the adjacent faces of the sprocket wheel and snail hub are provided with clutching teeth 66, provision being. made for moving the sprocket wheel to snail engaging and releasing position. The cables 56 are guided around suitable sheaves 67 that are carried by vertical osts or standards 68 extending upward rom the frame 10, andthese are preferably that extend, also, to the posts 60. 1

Connected to the shaft 15 by means of compensating gearing 70 is a gear wheel 71 sprocket wheel 65 'will be continuously roand said fork is connected to the rocker arm which intermeshes with a pinion 72 that is carried by'a stud shaft mounted in a short bracket 73 extending from one side of the frame. This shaft, also, carries a sprocket wheel 74 that is connected to the sprocket wheel 65 by a link belt 7 5 and said link belt is held in engagement with the sprocket wheel 7 f by a small idler 76, so that the tated so long as the'l'oading apparatus is driven forward. The outer portion of the hub of sprocket wheel 65 is provided. with an annulargroove that receives a fork 7 8,

79 on the upper end of an approximately vertical shaft 80. The uppen portion of this shaft is guided through a strap 81 that is fulcrumed on the end of the shaft 62, and its lower end is guided, by a bracket 82 that projects from one ofthe standards 60. The lower end of the shaft carries a crank arm 83 from which extends a link 84, and

from said link extends a second link 85 (Fig. 6) that projects beyond the inner edge of the frame bar 10 and is disposed in the path of movement of an arm 85 on the rake,

"so that as the latter nears the completion of its load discharging movement the arm will engagethe link and transmit movement/.g through the crank 83, the shaft 80, rocker e5 arm 79, and fork 78 to the sprocket wheel 65, thereby moving the sprocket wheel from i engagement with the snail'and automatically unclutching the fork operating mechanism.

The link 84: is connected by a link-88 to a hand lever 89 that is fulcrumed on a bracket 90 within convenient reach of the operator, so that the latter may readily clutch the sprocket Wheel to the snail, whenever it is desired to discharge the load received by the fork.

The inner hub of one of the snails 63 is in the form of afriction drum or disk 90' that is encircled by a band brake 91 (Fig. 5). 1 One end of the hand brake is connected to a vertically disposed rod 92 that is guided by upper and lower brackets 93-434, and between the lower bracket and a collar 95 the rod is arranged a helical compression spring 96 that tends to normally hold "the brake in releaseposition; The lower ,end of the rod is connected to a crank-9Tfthat is carried by a shaft 98 journaled in abracket or hanger 99 carried by one of-the frame 120 members 10. This shaft extends inward and to its inner end is secured a lever 100having an approximately horizontal arm 101 that fits against the back of the operator, so that the latter byleaning backward may apply the brake in order to check the movement of the fork. Secured to the fork is a pair of spring arms 102, which, at the completion of the upward movement of the fork come into contact with the tube 61 and check the movement without arresting the move- 130 103 to which is connected the forward end of a spring 104. The rear end of the spring I sprocketwheel by ment ofthen-shock the latter will be tossed rearward into the receptacle. in orderto assist the return movement of the fork, the crossbar 52 is provided with a rearwardlyextending arm is connected by a cross bar 11'.

A modification of themeans for transmitcable or chain 105 tothe -ting m vement from the rear wheel shaft is shown in Fig-7. Inthis case the wheel 71 is in the nature of a sprocket wheel, and the link belt-75 enga es directly therewith and is held against tie lower portion ofthe suitable idlers 107,

It will be seen that the Operating portion of the fork is of a width approximately equal to that of the receptacle, while the carrying portion of the fork is comparatively narrow. This permits the location of the seat inside the frame so. that the fork may be swung to and fro over the seat.

I claim 1. In loading apparatus, a wheeled ve-.

hicle, a pivoted fork at the front of the vehicle, a grooved snail, a cable or like member extending from the fork to the snail, a shaft carrying the snail, and driving connections between one of the vehicle wheels and the shaft.

2. In loading apparatus, a wheeled vehicle, a fork pivoted to the front of the vehicle, a peripheraily grooved snail, a cable extending from the fork to the snail, a shaft carrying said snail, adrivcn member loosely mounted on-the shaft and receiving motion from one of the vehicle wheels, and means for clutching and ,unclutching said driven member to the shaft.

3. In loading apparatus, a wheeled vehicle, a pivoted fork at the front of the,

vehicle, a peripherallygrooved snail, a cable extendlng from the fork to the snail, a shaft -on wh1ch the snail is mounted. a driving wheel mounted loosely on the shaft and oper atively connected wheels, manually operable means for clutch-- to one of the vehicle ingsaid wheel to-the snail shaft, and means operable on lifting movement of the fork for automatically unclutchlng sald wheel.

4. In loading apparatus, a wheeled vehicle, hicle, carrying the same, a cable connectingthe fork to the snail, a sprocket wheel mounted loosely on the shaft, the hubs of the sprocket wheel and snail-being provided with clutch teeth, a sprocket wheel receiving motion from the rear axle or wheel of the vehicle, a link-belt connecting the. sprocket wheels, a manually operable lever for shifting the sprocket wheel to effect clutching of the same to'the snail, and means operable on lifting movement of the fork for automatic a fork pivoted at the front ofthe vea peripherallygrooved snai1,-a shaft 'at the rear'ofth 'move the band to I Shaina" crank arm eafranged'at one end of or other load, so that! ally moving the sprocket wheel from the snail.

5. In loading apparatus, a wheeled vehicle, a pivoted fork at the front of the vehicle, a pair of posts or standards carried by the frame of the machine, a cross tube connecting said posts or standards, a-shaft extending through the tube, a pair of snails mounted on the shaft, cables connecting the snails to the fork, a sprocket wheel mounted loosely on theshaft, the adjacent hub mem-' bers of the sprocket wheel and one of the snails being provided with clutch teeth, a sprocket wheel driven from the rear wheel or axle, a link belt connectin the sprocket wheels, a manually operable means for clutching the sprocket wheel to the snail, and means operable on lifting movement of the fork for automatically disconnecting the sprocket wheel and snail.

6. In loading apparatus, a wheeled ve- .hicle,a pivoted fork at the front of the vehicle, a snail'carrying shaft, a pair of snails thereon, cables connecting the snails to the fork, a driven member loose on the shaft, means for clutching said driven member to the shaft, said'clutchi'ng means including a vertically disposed rock shaft, 2. crankarm at the lower end of the rock shaft, a pair of links extending from the crank arm, a manually operable lever connected to one of the links, and means carried by the fork and arranged to engage the other link for moving the clutching device to release position.

7. In loading apparatus, a wheeled vehicle, a pivoted fork at the front of the vehicle, a fork operating shaft, a driven mem ber arranged-to be clutched to the shaft and provided with a grooved hub, a shifting fork engaging said grooved hub, a rock shaft, an arm extending therefrom and engaging said shifting fork, a crank arm at the lower end of the rock shaft,'.a' link extending. from the crank arm, a second link extending from the first and disposed transversely of the machine, a manually operable lever for, actu ating the links, and an arm carried by the fork and-arranged to engage said second link to automatically unclutch the driven member when thefork assumes load discharging position.

8. In loading apparatus, a wheeled vehicle, apivoted fork, a fork actuating shaft, a braking device for the. shaft, an operfitors seat, and a brake operating lever mounted e seatin position to be engaged by theback ofthe operator.

9. In loading mechanism, a wheeled vehicle, a fork a fork operating shaft, a frictiondrum mounted thereon, a band brake encircling the drum, a. vertically movable rod connected to one endof the hand brake, a. spring tending to release position, a rock elevate the rod and the rock shaft and connected to the rod, an

operators seat, and an arm extending from theshaft; and disposed to the rear of the operators seat in position to be engaged by the back of the operator. I

10: In loading apparatus, a wheeled ve hicle, a load receptacle, a fork pivoted in front of the machine and approximately the width offthe receptacle, said fork having a support of contracted width, and an operators" seat arranged infront of the receptacle and directly to the rear of the main portion ofthe fork sothat the latter may swing .to'

fro over the seat.

WILFRED BAKER.

Witnesses:

I. O. CURTISS, F. G. HUNTINGTON.

Jul