US857188A - Log-loader. - Google Patents

Log-loader. Download PDF

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Publication number
US857188A
US857188A US23898404A US1904238984A US857188A US 857188 A US857188 A US 857188A US 23898404 A US23898404 A US 23898404A US 1904238984 A US1904238984 A US 1904238984A US 857188 A US857188 A US 857188A
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frame
car
log
loader
truck
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US23898404A
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John R Mcgiffert
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CLYDE IRON WORKS
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CLYDE IRON WORKS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00Electric locomotives or railcars

Description

No. 857,188. PATENTED JUNE 18, 1907.
C. 777. 77 XV L J. R. MdGI-FFERT.
I LOG LOADER. APPLICATION nun 1130. 0, 1904. i
2 SHEETS-SHEET 1.
2 SHEETS-SHEET 2.
PATENTED JUNE 1a, 1907 .J. R. MGGIFPERT.
LOG LOADER.
APPLICATION FILED DBO. so, 1904.
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JOHN R.'MOGIFFERT, OF DULUTH, MINNESOTA, ASSIGNOR TO CLYDE IRON WORKS, OF DULUTH, MINNESOTA, A CORPORATION OF MINNESOTA.
LOG-LOADER.
Specification of Letters Patent.
Patented June 18, 1907.
Application filed December 30, 1904. Serial No- 238,984- 7 Duluth, countyof St. Louis, and State of Minnesota, have invented a new and useful Improvement in Log-Loaders, of which the following is a specification, the principle of the invention being herein explained and the best mode in which I have contemplated applying that principle, so as to distinguish it from other inventions.
My invention relates to devices for loading and handling logs and particularly to that class of such devices which are self-propellin The said invention consists of a modification of the construction shown and described in an application for U. S. Letters Patent filed by me even date herewith and bearing Serial No. 238,977.
The object of said invention is to render the log-loader shown and. described in said application, capable of self-propulsion.-
Said invention consists of means hereinafter fully described and particularly set forth in the claims.
The annexed drawings and the following description set forth in detail certain means embodying the invention, such disclosed means constituting but. one of the various mechanical forms in which the principle of the invention may be used.
In said annexed drawings :Figure 1 represents a side elevation of a logging car upon which is mounted a device embodying my invention, certain parts of said device not related to the present invention, being omitted Fig. 2- represents a plan of said device.
As before mentioned, the particular type of log-loader is that shown and described in said above named application, and its general construction and operation need hence be herein but briefly described. In this type of a loader, a lower sliding frame A having upturned ends a, a, is mounted upon a logging car which forms its temporary base. Upon this frame is mounted suitable hoisting mechanism'including a boiler B, engines C, drum D, boom E, and suitable cables and connections for raising and lowering the logs. This frame together with its hoisting mechanism is capable of being transferred from car to car when it is so desired, suchtransfer being effected by suitable cables and connec tions operated by the hoisting mechanism, as fully described in the said above named application.
In order to provide means whereby the hoisting engines may be. utilized to render the car upon which the mechanism is mounted, automobile or self-propelling, I have so arranged the location of the hoisting mechanism as to leave a considerable portion of the base projecting forwardly from same. Upon each side of such forwardly projecting portion of the base I have provided an upright frame F, F. These frames are provided in their forward portions with suitable bearings wherein are journaled the ends of a horizontal shaft G. Secured to this shaft is a truck frame II consisting of two main side members h, h, and suitable cross-braces h.
In the free ends of the side members h, h, are provided suitable bearings which journal an axle H to the ends of which are secured traction-wheels 72/ k adapted to engage the track J upon which the logging cars run. Extending from the upper part of the side members h, h, are two arms 7L3, h to which is securely riveted a cross-piece h, h extending laterally beyond the side membersh, as shown in'Fig. 2 The space between the side members and runners at, a of the base frame A is left open, thedimensions of such space being such as to allow the truck frame H to be swung upwardly and through the base frame, so as to assume a position such as is shown in dotted lines in Fig. 1. The raising and lowering of this truck frame is accomplished by means of cables 1c, k. The ends of these cables are fastened to the ends of the cross-piece h, respectively, as shownin Figs. 1 and 2. Cables k pass from the ends of said cross-piece around two sheaves a a mounted upon members a a which constitute part of the base frame. From these sheaves such cables pass upwardly and around two drums a, a respectively and have their ends secured thereto. The cables 7c pass upwardly and around two sheaves f, f mounted upon the upper part of the frames F, F, respectively. From these latter sheaves the cables pass to two drums a a and have their ends secured thereto. Cables lc, k are wound upon these respective drums a a in opposite directions. Both of these sets of drums a and a are keyed to ashaft L, whose ends are journaled in boxes a, a secured to the base frame A.
Upon this shaft is mounted a sprocket Z, which is connected with a sprocket d by means of a sprocket chain 61. Sprocket d is mounted upon drum shaft d which is driven by a set of gears (1 d, 61 connected with the engines C, and may be connected or discon nected therewith by means of a clutch (i The rotation of the shaft L is controlled by a hand-brake L by means of which the said shaft may be fixed when'required.
- By means of the above described construction it will be seen that the operation of the engines so as to rotate the shaft L in a given direction, will raise the frame H into the position shown in dotted lines in Fig. 1. In this position it may be held by means of the handbrake L, as will be readily understood, and the truck is raised sufficiently high so as to bring all parts of the same above the plane of the top of the logging car upon which the apparatus is supported. It will therefore be seen that in this position the sliding base v frame may be moved along the top of the cars from one car to another as is required. WVhen it is desired to transport the car carrying the loader, along the track or through such car to move the train, the frame is moved along such car so as to cause that end to which the truck frame H is attached to overlap the end of said car. The brake L having now been released the engine is rotated in the opposite direction and the frame H thus lowered until the traction-wheels come into contact with the rails J. The perpendicular distance from the axis of shaft G when the loader is resting normally upon the logging car to the plane of the upper surface of the rails is made somewhat less than the sum of the distances between the aXes of shaft G and axle H, and the radius of the traction-wheels. Such being the construction, the traction-wheels will strike the rails before the frame H assumes a perpendicular position. A further pull upon the cables is will cause the end of the base-frame A to be slightly elevated and therebybring the weight of this end of said frame together with the weight of the machinery carried thereby to bear upon the said tractionwheels. This action establishes sufficient frictional engagement between -fsaid traction-wheels and the rails to propel the car, when said wheels are positively rotated. Such positive rotation is effected through the medium of the sprocket wheel H keyed to aXle H, the sprocketchain H connecting sprocket H with the sprocket G keyed to shaft G. Upon this shaft is keyed sprocket Gr which is connected with the clutch sprocket Z mounted upon shaft L, by means of the sprocket chain g. A suitable clutch Z is provided for throwing the sprocket L into and out of engagement with a pinion Z This pinion meshes with the gear d and is loosely mounted upon the shaft L. It will therefore be seen that when the clutch d is thrown out of engagement with the shaft (1 clutch Z is operated so as to connect sprocket L with gear Z and the engines caused to turn, the traction-wheels will be driven so as to propel the car and mechanism carried thereby. When the frame is to be raised or lowered clutch d is thrown so as to connect the sprocket d with the driving shaft d and the clutch Z is thrown so as to disconnect the sprocket L with the pinion Z Other modes of applying the principle of my invention may be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by any one of the following claims or the equivalent of such stated means be employed.
I therefore particularly point out and distinctly claim as my invention 1. In a log-loading machine, the combination with a conveyance, of a log-loader movably mounted thereon, and provided with means independent of said conveyance for propelling thesame.
2. In a log-loading machine, the combination with a conveyance, of a log-loader slide ably mounted thereon and provided with means independent of said conveyance but adapted while said loader is resting thereon to propel the same.
3. In a log-loading machine, the combination with a base-frame adapted to be moved along'one car to an adjacent car, of means mounted upon said frame and adapted independently of such cars to propel the same while said frame is resting on one thereof.
4. In a log-loading machine, the combination with a conveyance, of a log-loader movably mounted thereon and provided with pro elling means adapted to engage the trac while said loader is resting on said conveyance.
5. In a log-loading machine, the combina- .while said loader is resting on said car.
6. In a log-loading machine, the combination with a base-frame adapted to be moved along one car to an adjacent car, of propelling mechanism mounted upon said frame and adapted to engage the track while said frame is resting on one of such cars.
7. In a log-loading machine, the combination with a base-frame adapted to be moved along one car to an adjacent car, of means mounted upon said frame for propelling said cars while said frame is resting on any one of the same.
8. In a log-loading machine, the combination of a car adapted to travel upon a track, a base-frame carried by said car and movable longitudinally of same, and propelling means mounted upon said frame arranged to engage or disengage said track.
9. In a log-loading machine, the combination of a car adapted to travel upon a track, a base-frame carried by said car and movable longitudinally of same and propelling means mounted upon such base, and embodying a truck provided with traction- Wheels, the latter being arranged to operatively engage said track or disengage same.
10. In a log-loading machine, the combination of a car adapted to travel upon a track, a base frame carried by said car and movable longitudinally of same, and pro- I pelling means mounted upon such base, and
embodying a swinging truck provided with traction wheels, said truck being arranged so as to allow its wheels to operatively engage train and provided with means adapted to propel the same, such means comprising a swinging truck adapted to optionally engage such track, and operatively connected with the engine of said log-loader.
13. In a log-loading machine, the combination with a train of cars movable upon a track, and alog-loader movable upon such train, of means for propelling such train comprising a swinging truck adapted to operatively engage such track, connections between said truck and the engine" of such loader adapted to actuate said truck to thus engage and disengage said track, and other connections adapted to rotate the wheels of the same.
14. In a log-loading machine, the combination with a car upon a track, of a baseframe movable upon such car and provided with means adapted to propel the same, such means comprising a truck frame pivoted upon a transverse axis in said base-frame and bearing a pair of wheels adapted to engage such track, cables operated by the engine of such log-loading machine and adapted to swing such truck frame upon its aXis, and
driving means operated by such engine an adapted to rotate said wheels.
15. A log-loader comprising a base-frame movable from one car to another and propelling means mounted upon said frame, such means including a swinging truck provided with traction wheels, said truck being arranged so as to allow its wheels in one position to operatively engage a track. I
16. A log-loader comprising a base-frame movable from one car to an adjacent car, and Eropelling mechanism mounted upon said ame, such means including a movable truck provided with traction wheels adapted in one position of said truck to engage a track, and in another position thereo to lie above the plane of the bottom of said frame.
17. A log-loader comprising a base-frame movable from one car to an adjacent car, an engine mounted upon said frame, and propelling mechanism operatively connected with said engine, said mechanism including a swinging truck bearing traction wheels adapted in one position of said truck to engage a track.
18. A log-loader comprising a base-frame movable from one car to an adjacent car, propelling mechanism mounted upon said frame, said mechanism including a swinging truck provided with traction wheels adapted in one position of said truck to operatively engage a track, an engine also mounted upon said frame and connected to drive the traction wheels of said truck and to actuate the latter to thus engage and disengage the track.
19. A log-loader comprising a base-frame movable from one car to an adjacent car, propelling mechanism mounted upon said frame, said mechanism including a truck frame pivoted in said base-frame upon a transverse aXis near one end of the same and provided with a pair of traction wheels adapted in one position of said truck to operatively engage a track, an engine mounted upon said baseframe, cables operated by said engine and adapted to swing said truck frame about its axis, and driving means operated by said engine and adapted to rotate said traction wheels.
Signed by me, this 15th day of December 1904.
JOHN R. MoGIFFERT.
Attested by- O. S. PARSONS, E. J. RowLEY.
US23898404A 1904-12-30 1904-12-30 Log-loader. Expired - Lifetime US857188A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682231A (en) * 1950-10-31 1954-06-29 Jackson Vibrators Power unit for propelling machines along railway tracks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682231A (en) * 1950-10-31 1954-06-29 Jackson Vibrators Power unit for propelling machines along railway tracks

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