US1232307A - Excavating apparatus. - Google Patents

Description

W. F. HERVEY.

EXCAVATlNG APPARATUS.

APPLICATION FILED SEPT. 19. 1916.

Patented July 3,1917.

2 SHEETS-SHEETI LQSQBOK INVENTUH y M g W 3 Au W. F. HERVEY,

EXCAVATING APPARATUS.

APPLICATION mu) SEPT. 19. 1916.

Lwzfime Patented July 3, 1917.

2 SHEETSSHEET 2- WITNESSES jgl m4 BY WILLIAM F. HEEVEY, F VTELLSBURG, (VEST VIRGINIA.

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Specification of Letters Patent,

Patented July 3, 1917..

Application filed September 19, 1916. Serial N o. 121,037.

To (1Z5 whom it may concern:

Be it known. that I, WILLIAM F.Hnnvnr, a citizen of the United States of America, and resident of Wellsburg,county of Brooke, and State of West Virginia, have invented certain new and useful Improvements in Excavating Apparatus, of which the following is a specification.

This invention relates broadly to excavating apparatus, and more specifically to a power-operated earth scoop or similar tool for traction engines.

The primary object of the invention is to provide an excavating attachment fortraction engineswhereby the latterare adapted for road building, ditch digging and the like.

A further object to provide a device of the character mentioned which may be shifted laterally to any desired position with respect to the engine and which is adaptednot only for usein the direct line of travel of the engine, but also laterally of the latter, as for cutting ditches at the sides of a roadway.

With these and other important objects in view, the invention resides in the features of construction, arrangement of parts and combinations of elements whlch Wlll hereinafter be fully described, reference being had to the accompanying drawings, in which Figure 1 is a top plan view of the invention, showing an earth scoop disposed in working position; p

Fig, 2 is a side elevation of the same;

Fig. 3 is a front elevation of the same, showing a slightly modified form; n f

Fig. 41 is aside elevation of'the invention detached from the engine, showing the same in tool-shifting position;

Fig. 5 is a top plan view, partially in broken section, of a power-propelled scoop;

Fig. 6 is a side elevation of the same. Referring to said drawings, in which like designating characters distinguish like parts throughout the several views 1 indicates the main frame ofa traction engine which may be of any ordinary or usual type. Rigidly mounted upon said frame atone end thereof, which may be either the front or rear end, are suitable brackets or supports 2 having bearing portions 2 in which is. rotatably mounted a transverse member 3., preferablyof tubular form, having end plates or bearings l'in which are journaled the opposite ends of a screw or worm 5 disposed concentrically within said member 8.

Said tubular member 3 has a longitudinal sloth extending from end to end" thereof, and movable along said slot are the handle members or supporting arms 7 of a suitable tool, as the shovel or scoop 8. Said supporting arms terminate at their rear ends in gudgeons 9 which fit snugly within the member 8 and are operatively mounted on the worm-5 so that rotation of the latter accompzlishes lateral shifting movement of the scoop.

i The worm carries a sprocket wheel 10 on one end thereof, said wheel being connected by a chain 11 toa similar sprocket wheel 12 mounted upon a countershaft 13 which is driven in a suitable manner, as by a belt 14. connected with a power driven belt-wheel 15 on theengine. Said sprocketwheel is loosely mounted on said countershaft and is thrown into and out of operative relation to the latter by means of a suitable'clutch, as 16. I

The tool-supporting arms are vlowered to working position and elevated to dumping position by rotary movement of the tubular member 3, effected through the intermediacy of a gearll'? fixed on said member and a drive pinion 18 carried by the countershaft 18, said gear and said pinion being disposed in meshing relation. The pinion is loosely mounted, on said countershaft and is throwninto and out of operative relation with the latter by means of a suitable. clutch, as 19.

Provided in the gear wheel 17 is a radial slot 20 which registers with the slot 6 in the tubular shaft 3, said slot 20 being designed to permit of the passage therethrough of the supporting arms 7 of the scoop or other tool when the latter is being shifted laterally on the worm 5.

Each of the bearing portions 2 of the supporting brackets 2 has an opening or slot 21 therein, preferably located in the top portion thereof, as is most clearly shown in Fig. 4. As is obvious, when it is desired to shift theworking tool from an end position to a middle position with respect to the tubular shaft, or vice versa, the latter must be rotated to a position in which its slot 6 and the slot 20 of gear wheel 17 register with the opening or slots 21 of the supporting brackets 2, as shown in said figure.

In practice, when the supporting arms 7 have been adjusted to the desired position on the worm 5, the arms 7 are lowered to dispose the shovel or scoop 8 at the desired level, whereupon forward traction movement of the engine will carry said scoop into the material to be excavated or elevated. When the scoop has thus been filled, the tubular shaft 3 is rotated rearward for elevating the scoop to substantially the upright position indicated in dotted lines in Fig; 2, whereupon the contents of said scoop are dumped, as into a chute 26 for directing .said contents to a suitably located receptacle or oonveyer (not shown). Said scoop may be of any appropriate character and is preferably so constructed that its dumping action is automatic when the dumping point is reached. a

' The scoop may be associated with a steam or air cylinder, as 22, shown in Figs.. 5 and 6, whereby it may be thrust forward and drawn back, in which case the engine may remain stationary while operating the scoop Flexible pipes, as 23 and 24, conduct the operating fluid to the power cylinder, a suitable control valve, as 25, being provided.

While I have herein shown a scoop or shovel, it will be understood that any other appropriate form of excavating tool may be substituted therefor. It will further be understood that suchtool may operate either above or below the level of the roadway upon which the engine travels.

One end of the tubular shaft 3 extends laterally outward a considerable distance from the frame of the engine, as shown in Fig. 1, thus adapting the apparatus for use in cutting ditches at the side of the roadway upon which the engine travels; or, if desired, both ends of said shaft may project outward beyond the engine frame, as shown in Fig. 3, thus adapting the apparatus for employing the ditching tool at either side,

or both sides, of the roadway.

'What' is claimed is- 1. In earth'working apparatus, the combination with a traction engine, of a tubular shaft mounted transversely of said engine at one end thereof, said shaft having a longitudinal slot therein, a concentrically disposed worm shaft extended through said tubular shaft and having journaled ends, means for rotating said worm shaft, tool supporting arms operatively disposed on said worm shaft and extending outward through said'slot, said arms being adapted for lateral shifting movement along said slot actuated by rotation of said worm shaft, and means for imparting rotary movement to the tubular shaft for elevating and lowering said supporting arms.

2. In earth working apparatus, the comsaid tubular shaft and having journaled ends, means for rotating said worm shaft, tool-supporting arms operatively disposed on said worm shaft and extending outward through said slot, said arms being adapted for lateral shifting movement along said slot actuated by rotation of said worm shaft, a gear'fixed on said tubular shaft, a: countershaft, engine-driven; means for driving said countershaft, apinion loosely mounted on said'countershaft and disposed in mesh with said gear, and a clutch whereby said pinion is operatively connected to said countershaft for driving said gear. 7

3. In earth working apparatus, the combination with a traction engine, of a tubular shaft mounted transversely of said engine at one end thereof and having its ends extended outward a substantial distance beyond the engine frame, said shaft having a longitudinal slot extending from end to end thereof, a worm shaft disposed concentrically within said. tubular shaft and having journaled ends, engine-driven means for rotating said worm shaft, tool-supporting arms operatively disposed on said worm shaft and extending outward through said slot, said arms being adapted for lateral shifting movement along said slot actuated by rotation of said worm shaft, and means for imparting rotary movement to'said tubular shaft for elevating and lowering said supporting arms, the last-mentioned means including a gear carried by said tubular shaft and having a radial slot in register with the slot in said shaft.

4. In earth working apparatus, the co1nbination with a traction engine, of a .tubular shaft mounted transversely of said engine at one end thereof andhaving its ends extended outward a substantial distance beyond the engine frame, said shaft having a longitudinal slot extendingfromend to end thereof, a worm shaft disposed concentrically within said tubular shaft and having journaled ends, engine-driven means for rotating said worm shaft, tool-supporting arms operatively disposed on said worm shaft and extending outward through said slot, said arms being adapted for lateral shifting movement along said slot actuated by rotation of said worm shaft, and clutchbination with a traction engine, of a 'wormshaft mounted transversely of said engine at one end thereof and having journaled ends, means for rotating said shaft, tool-support 65 bination with atraction engine, 103? a tubuing arms .operatively disposed on said shaft 13c and adapted for lateral shifting movement In testimony whereof, I affix my signature by rotation of the latter, the ends of said in presence of two subscribing witnesses. shaft bein extended outward a substantial distance b yond the engine frame to permit .W'ILLIAM HERVEY' said arms to occupy working positions at Witnesses:

points located laterally with respect to the S. O. W001), engine. H. E. DUNLAP.

Gopies of this patent may be obtained for five cents each, by addressing the Commissioner of Pat ents, Washington, D. 0.

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