US891183A - Loading apparatus. - Google Patents

Description

No. 891,183. PATENTEU JUNE T6, 1908.

J. Mc'GABB LOADING APPARATUS.

APPLICATION FILED JAN. 25, 1907.

Z my

JazmesM Cabe [/VVENTOR JAMES MCOABE, OF MINNEAPOLIS, MINNESOTA.

' LOADING APPARATUS.

Specification of Letters Patent. Patented June 16, 1908. I

' Application filed January 25, 1907. Serial No. 354,076.

To all'wlwm it may concern." j

Be it known that I, J Es'MoCAB citizen of the United States, residing at Minneapolis,

- in, the county of Hennepin and State of Min' 7 Qnesota,

have invented a new and useful Load- Alfipparatus, of'whioh the following is' a c cation. i

This invention relates to a loading apparatus'of that type em loying a forwardly extending gathering ork that is pivotally mounted on its vehicle so as to be actuated by;means' vof the forward movement of the latter through suitable manually controlled mechanism. arranged between the fork and one of the Wheels of the vehicle, and it l e-4 lates more particularly. to a loading apparams in which the fork is adapted to eposit its contents into a suitable box or receptacle carried by the vehicle at the rear of the fork.

: The invention has for one of its objects to rovide an apparatus for loading shocks of ay, grain, fodder, or other material, into "the bodyof the vehicle in'a simple, convenient and effective manner.

I vision of a pivotally mounted gatherin ork A further object of the inventionis the rowhich is actuated by means of a flexible ele- 'ment ,arranged to simultaneously wind at one end and unwind at the other end on oscillatory quadrant or sheave segments, one quadrant or sheave segment being-actuated from one of the axles of the vehicle through a gearing that is adapted to be clutched and unclutched by the attendant.

Another object is the employment of a buffer arranged on the frontendof the vehicle box or body. in thepathof the fork so as to cushion the latter at the end of its lifting stroke.

A further object is to improve and simplify the construction and operation of apparatus of the character referred to so as to be comaratively simple and inexpensive to manuacture and keep in repair,

manipulate.

ith these, objects in view, and others, as will appear as the nature of the invention is better understood, the invention comprises features of construction and arrangement of. parts, which will be more, fully? described hereinafter and set forth Withparticularity in the claims appende'dhe'reto, Iii the accompanying drawing, whlch illustrates one of the embodiments of the invenf axle 4 for the rear Wheels.

thoroughly reliable and efficient in use, and convenient to .tion, Figure Us a side elevation of the loading apparatus. 0 the winding member. section on line 3-3 of Fig. 2. I

Corresponding parts in the several figures Fig. 2 is an enlarged detail viev r Fig 3 is a vertical are indicated throughout by similar charac-r,

ters of reference.

' Referring to the running gears of a which is pivotally mounted a tilting box or body B, and hingedly supported on the running gear at a point in front of the box is agear comgathering fork C. The running prises front and rear supporting wheels 1 and 2 on'which the frame 3 is carried. The tilting box is of that type having its axis of tilting slightly to the rear of its middle so that'the forward portion of the box will rest normally on the frame 3 while'the rear portion overhangs the latter, the axis of tilting being the prises a plurality of parallel tines 5 suitably connected together and pivoted at their rear .80

ends on the shaft 6, the said shaft-being journaled in bearings 7 (of which one is shown in the present illustration) and located slightly in advance of the front end of the box 3. Carried on the front of the box is a bufier D comprising a frame 8 pivoted at its bottom to the box B at the point 9. This frame is yieldingly held in a forwardly in-i clined position 'by means of the extension spring 10 located under the box with its rear end 11 anchored thereto and its front end connected'to the frame 8. The bufier D is thus located in the path of the fork C as it moves on its lifting stroke, thereby cushion ing the latter and bringing it gradually to rest without striking forcibly against, the box B The mechanism for actuating the fork C is constructed asfollows :-Adjacent the front of the frame 3 of the vehicle is a sheave seg ment or quadrant 12 fulcruined at l3 on the frame 3 at a point slightly in front of the box B. This sheave segment or quadrant cross section, said member 15 connected. 1s disposed normally 1n a The fork C com-,

drawing, A designates the L four wheeled vehicle on is com posed of a curved member 14 of V-shaped and. is provided with an extension 16 that is 1 flexibly connected by links 17 tothe fork 0 adjacent its middle. sheave segment or quadrant 12 1s a secon sheavesegment or quadrant, designated gen- Cooperating .with the erally by 18and more clearlyshown in Figs, 2 s I and 3. This sheave segment or quadrant is composed of a curved metal strip 19 of.V-

shaped cross section and connected to the outer end of theright angularly disposed arm 20. The said arms and groove member 19 are provided with a plurality of apertures 21 whereby the parts can be'adjustably connected in difierent positions by bolts 22 passing through registering apertures. The

inner ends of the arms are held in sockets Q23 formed on a disk or wheel 24:, rivets or or quadrants, the "arrangement being such T rant 12 is rocked and the fork C raised to its I unloading position.

' other fastening's'25 being employed tQhold the parts together. Associated with these sheave segments or quadrants 12 and 18is'a flexible element 26, such as a Wire cable, that hasv both ends fixed to the bottom portions of the members 14 and 19 of thesheave segments that the cable will wind up in the groove of one of said members while unwinding from the groove of the other member.

segment or quadrant 18 is the driver, and the same is adapted to produce a draft on the ca ble 26"so that the sheave segmentor quad- The unloading positionof'the fork is such that the latter 1 11 return to its initial position byits own weight,

when the power is released from the actuatmg sheave segment or quadrant 18 The cam 18 is mounted on the rear axle 4 and is adapted to be clutched thereto when the op erator desires to raise the fork. The clutc ing'and unclutching ofthe sheave segmentor quadrant with the axle is accomplished by means of a gear constructed on the compensating type and comprising a wheel 2'2 Keyed t0 the rearaxle 4 and carrying a plurality of pinions 29 that mesh with the teeth on the wheels 24 and 30, which latter are loosely amounted on the axle. To cause the sheave segment or quadrant 18- to be actuated, it is merely necessary to arrest the movement of the wheel 30. This causes the pinions 29 to actuate the wheel 24 forming part of the cam structure 18. To. arrest the movement of the wheel'30, the latter is provided with a plurality of radially extending projections 31, and mounted'on the frame 3 adjacent the wheelisa lever or stop 32 fulcrumed at 33 and carrying'a roller 34 that is adapted to engage .the periphery of the wheel 30 and abut any one of the projections 31. This stopdevice 32 isconnected by the rod 35 to the'operatin'g lever 36fulcrumed adjacent the front of the frame 3.

From the foregoing description, taken in connection with the accompanying drawing,

the advantages ofthe'construction and of the method of o eration Willbe readily apparent to those'skil ed in the art to which the invention appertains.

In operatlonfthe vehicle is driven forwardly by' hprses, any other suitable Of this mot1on transmitting mechanism the sheave horses. to the vehicle being eliminated in the means, the draft device for attaching present instance, since the same does not enter into the present invention;

- Assuming that the fork C has received its load, and the attendant has thrown the lever 36 forwardly, the fork is raised in the followe ing manner. I The stop 32is-moved from its dotted line position, Fig. 2, to its full line position through the movement of the opermally' rotates with I the axle 4 -by-; meshing with the inions 29, is immediately brought to. rest so t atthe .1wheel 24 of thesheave seg ment' or quadrant-18, whichhas in the meantime .beenidle', is actuated by the pinions 29 ating lever '36. The wheel 30,1 which nor a which revolve with the wheel 28. The

sheave segment or quadrant 18 is thus turned so as to cause the cable 26 to wind thereon w and unwind from the sheave segment or quadrant 21. Since -the said cat is con-..

nected with thefork C, the latter is raised so as to deposit its load into the box B. Near the end of the unloading stroke, the fork strikesagainst the buffer B so as to permit the stroke to end gradually. As soon as the material on the fork is deposited, the oper-- ator releases the lever 36 so that the fork can return to its normal position. As the fork swings down, the cab e 26 winds up on the sheave segment or quadrant 12 and upwinds from the sheave segment or quadrant 18'.

By releasing the lever 36, the wheel 30 is free to turnduring-the return stroke of the sheave r segment or quadrant 18.

Whatis claimed is f '1.- In an apparatus of the class described, the combination of a vehicle, a box mounted. thereon, a loading fork carried bythe vehide, and a cushioning device arranged to cushion the fork tines at the end of their unloading stroke. 1 I E I 2. In an apparatus of the class described, the combination of a vehicle, a tiltable receptacle mounted thereon, a loading fork carried by the vehicle, and a cushioning device mounted on the receptaclein the path end of their unloading stroke.

3. In an apparatus of the class described, the' combinati n of a vehicle, a receptacle mounted thereon, a swinging fork carried by -of the fork tines to cushion the latter at the V the vehicle, a frame hingedly mounted on the receptacle in the ath of thefork, and a spring on the receptac e for yieldingly holding the said frame. t

L In an ap aratus' of the class described,

the combination-of a vehicle, a rece 'tacle and means for actuating'the device onthd.

axge by clutching the same to the latter.

. In an apparatus of the dlass described,

a sheave segment or quadrant fulbrumed onv the vehicle, a second sheave segment or quadrant loosely mounted on the axle,'the center of said quadrant being eccentric to said axle, a flexible element connecteu segments or quadrants to wind on one while unwinding from the other, a flexible connection between the first mentioned sheave segment or quadrant and the fork, and a device for clutching the second sheave segment or quadrant to the axle.

6. In an apparatus of. the class described, the combination of a vehicle including a rotating axle, a loading fork on the vehicle; an oscillatin structure on the vehicle connected with the ork to actuate the same',means for oscillating the structure, and a differential gear whereby the said means are actuated by said axle. 1

7. In an apparatus of the class described, the combination of a vehicle including a rotating element, a swinging fork mdunted on the vehicle, and a mechanism for elevating the fork, said mechanism comprising a winding device loosely and a differential gear adapted to connect thewinding device to the rotating element.

8. In an apparatus of the class described, the combination of a vehicle" including an element rotated by the movement of the ve. hicle, a fork mounted on-the vehicle, a'winding device loosely mounted on the element, means connected with the device and fork for actuating the latter, a difierntial gearing on the element for connecting the latter with the device, and a manually controlled means for rendering the gearing operative or inoperative.

9. In an apparatus .of-the class described,,

the combination of a vehicle including an axle, a loading fork on the vehicle, and. a mechanism for actuating the fork by the axle, said mechanism comprising a winding device loosely mounted on the axle and carrying teeth, a member keyed to the axle, a gear wheel loosely mounted on the axle, a

pinion on the member meshing with the gear wheel and teeth on the winding device, and

means for controlling the said gear wheel to cause the winding device to move with the axle.

10. In an apparatus of the class described, the combination'ofa vehicle including an axle, a loading fork on the vehicle and a mechanism for actuating the fork by the axle, said mechanism comprising a winding device having an oscillating movement and mounted 'on the axle, a member loosely mounted on the axle, a device rotating with the axle and arranged to be clutchec with with thesheave mounted on the element,

- maximum power" 1's the winding device, and means operating'onv the'said member for clutchingthe' said 'de j" vices together.

11.:In an the combination of a vehicle, aloadingfork apparatusof tli'eclass described, h 7o on the same, and a mechanism foractuat'ing the fork by the movement of the vehicle, sai

prising a cam. shaped supporting structure to whichthe member is adjustably attached.

'mechanismincluding a winding device co m grooved member, and a In an apparatus of the dressage-bed, j the combination of a vehicle, a l ading f r Y i on the same, and a mechanism for actuatinqg the fork by the movement of the vehicle, sai 'a' flexible element, -a

mechanism comprisin curvedgrooved mem er in which the element winds, arms on which the member :is adjustably mounted, a disk supporting the arms, and aicluii'ch cooperating with the disk.

13. In a device of the kind described, the cdmbination with a true having traction wheels and a box or receptacle thereon, of a fork pivotally mounted front of sai box,

a sheave segment connected to said fork, a

coo erati-n sheave se ment havin means for connecting it to and disconnecting it from one of the traction wheels of said truck, and

' a able attachedito the said two sheave seg-.'

ments at such points that the fork will be raised with an accelerated movement and a rendered" available for overcoming the inertia of and imparting initial movement to the fork and its load.'

14. In a device of the kind described, the combination with a truck having traction wheels-and a box or receptacle, of a fork piv-,

oted to the truck frame in front of said box,

a pair ofsheave segments connected to said fork, a pair of sheave segment's loose with respect to the traction wheels of said truck, means for connecting said latter sheave seg; ments to said traction wheels, at will, and means for disconnecting them at the proper tinies, and cables connecting the correspond ing sheave segments and arranged to raise said fork with an accelerated movement and with a maximum mitial power.

15. In a device of the kind described, the combination with atruck having rear traction wheels, front steering wheels and a box, of a fork pivoted to of said box, lifting levers pivoted to said frame and connected to said fork, adjustable sheave segments carried by said lifting levers, adjustable rear sheave segments mounted in the vicinity of the rear traction wheels, cables connecting the front and rear sheave segments, and means for connecting said rear sheave segments to and disconnecting the same from said rear traction wheels.

16. In a'device of the kind described, the

at rear axle, traction wheels mounted on and arranged to drive said axle,

the truck frame in front: I

and a box on the frame of afork ivoted'to the truck frame infront of said ox,

cent to said bevel gears and carrying pinions I 1o said frear axle," sheave segments carried by said bevelgears; cables connecting the corre-o ippnding' front and rear sheave segments,

hubs secured to said rear axle adjameshing/therewith;- other bevel gearslo'ose ,on said axlemeshing with said pinions and,

nrovided with stop vlugs or-shoulders, and

means operative, at will, for engagement With v the stop lugs or shoulders of said bevel gears, to lock the latter temporarily against rota v 15 tion. In testimony that I claim the foregoing as my own ,,have hereunto aflixed my signature in the presence of two Witnesses "JAMES MoCABE;

- Witnesses: ;G. W. BROWN,

. HOMER lVloRaIs.

Images