US865041A

US865041A - Elevating and conveying mechanism.

Info

Publication number: US865041A
Application number: US37666607A
Authority: US
Inventors: Axel R Holmen
Original assignee: Individual
Current assignee: Individual
Priority date: 1907-05-31
Filing date: 1907-05-31
Publication date: 1907-09-03
Anticipated expiration: 1924-09-03

Description

110.865,041. PATENTED SEPT. 3,1907. i A. R. HOLMBN.

ELBVATING AND. CONVEYING MBGHANISM.

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AXEL R. HOLMN, OF COLUMBUS, OHIO.

ELEVATING AND CONVEYING MECHANISM.

Specification of Letters Patent.

Eatented Sept. 3, 1907.

Application filed May 31,1907. Serial No. 376,666.

To all whom it may concern:

Be it known that l, AXEL R. HOLMN, a citizen of Sweden, residing at Columbus, in the county of Franklin and State of Ohio, have invented certain new and useful Improvements in Elevating and Conveying Mechanism, of which the following is a specification;

My invention relates to a coal handling and conveying mechanism and has for its object the provision of a device of this character comprising cars adapted to elevate material to some distance and a cross conveyer into which said material is then dumped to be carried off to one side of the lifting mechanism, said conveyer being driven 'from the same mechanism that elevates the material and being arranged to run continuously in one direction, while the lifting mechanism is reversed at regular intervals.

Further objects and advantages of the invention will be set forth in the detailed description which now follows.

ln the accompanying drawings: Figure 1 is an end elevation of a structure in which the lifting mechanism and conveyer is located, Fig. 2 is a side elevation of said structure, Fig. 3 is a detail side view of the ar rangement of pulleys at the top of the structure illustrating a cross conveyer hereinafter described, Fig. 4 is an end view of the parts shown in Fig. 3, Fig. 5 is a plan view of the parts shown in Fig. 3, and, Fig. G is a section upon line x-.t of Fig. 5.

Like numerals designate corresponding parts in all of the figures of the drawing.

1t is to be understood that this invention particularly resides in the driving mechanism shown in Figs. 3, 4, 5 and 6. The lifting mechanism illustrated in Figs. 1 and 2 and the driving drum therefor, are of the usual and well known construction.

1n the drawings, the numeral 5 indicates a drum which is adapted to be rotated in either direction. A cable G passes over this drum. Pulleys 7, 8 and 9 are mounted upon shafts 10, 11 and 12, said shafts being mounted in bearings 13. These bearings are supported upon beams 14 which are located at the top of any desired form of structure indicated at 15. A hopper 16 is located within thisstructure and cars 17 are adapted to travel vertically in this structure to elevate coal and dump it into the hopper 16. One portion of the cable G passing from the drum 5, passes over the pulley 8 and is then returned to the bottom of the structure 15 and securedl to the lowermost car 17 (see Fig. 1). The other portion of the cable passing from the drum 5, passes over the pulleys 7 and 9 and is secured to the other car 17. After one of the cars has been elevated to the top of the structure to dump its load into the hopper, the rotation of the drum 5 is reversed and said car is caused to descend, while the other car is lifted. It will therefore be seen that when one of the cars is being elevated, the pulleys 7, 8 and 9 rotate in one direction and that when said car is descending, the rotation of these pulleys is reversed.

As has been before stated, it is the object of the present invention to drive the conveyer mechanism hereinafter described, from these pulleys and yet cause the conveyer to always move in the same direction even though the rotation of the pulleys be practically reversed.

Mounted upon the ends of the shafts 11 and l2 are bevel pinions 1S and 19, said pinions being .fast upon said shafts. A bevel pinion 20 meshes with the bevel pinion 18, while a bevel pinion 21 meshes with the bevel pinion 19. A shaft 22 is mounted in bearings 23 and the

pinions

21 and 22 are loosely mounted upon this shaft. Ratchet wheels 24 are secured to the shaft 22 and rotate therewith. Pawls 25 are carried by the bevel pinions and are adapted to engage these ratchet wheels, as will be hereinafter set forth. A. belt 26 passes over a pulley 27 which is fast upon the shalt 22 and over a pulley 28 to provide lneans for driving the mechanism of a cross conveyer indicated at 29. lt is obvious that a chain may be substituted for this belt if desired. The detail construction of this conveyer, forms no part of the present invention, as any form of conveyer may be utilized for this purpose. lt has been found that where the material is elevated and then dumped without the employment of a cross conveyer, that said material soon, piles up beneath the dumping mechanism in such manner as to interfere with the propel` working thereof. By enniloying the cross conveyer, the material is carried a sufficient distance to one side of the elevating mechanism, to remedy this trouble.

The operation of the device is as follows: When the cable G is moving in the direction indicated by the arrows a. in Fig. 3, the pulley 9 will be rotating to the right. This will consequently rotate the pinion 19 to the right and will rotate the pinion 21 to the left. This will consequently rotate the shaft 22 to the left, for the pawl 25 of the pinion 2l, will, at this time, engage the ratchet wheel 24. The pulley 27 will consequently be rotated to the left as seen in Fig. 4. When the movement of the cable (i is reversed to lift the other car and the parts are'moving in the direction indicated by the arrows b in Fig. 3, it is apparent that the pull cy 8 will be rotated to the right. At this time the pawl carried by the pinion. 21 will ride loosely over itsA corresponding ratchet wheel and will impart no movement; to the shaft 22, but movement to the right of the pulley 8 will rotate the pinion 18 to the right and will rotate the pulley 20'to the left. At this time the pawl 25 carried by said pinion 20. will engage its corresponding ratchet wheel 24 to impart movement to the shalt 22. lt will therefore be seen that the movement oi this shaft is always to the leit and that the conveyer 29 will always be driven in one direction, regardless et the reversal of the members from which it is driven.

From the foregoing description, .it will be seen that simple and efficient means are herein provided for accomplishing the objects of the invention, but while the elements shown and described are well adapted to serve the purposes lor which they are intended7 it is to be understood that the invention is not limited to the details oi construction, but includes within its purview such changes yas may be made within the scope of the appended claims.

What l claim is:

1. In an elevating and conveying,r mechanism, the combination with a pair of cars, of a cable connected to said cars the direction of the movement of which is periodically reversed pulleys over which said cable passes, a conveyer, and connections between said pulleys and said conveyer adapted to drive said conveyer always in one direction regardless of the reversal of movement of said pulleys.

2. In a lifting and conveyingmechanism, lifting mechanism the direction of movement of which is periodically reversed, a conveyer, and connections between said lifting' mechanism and said convcyer adapted to drive said conveyer always in one direction regardless of the reversal of movement of the liftingl mechanism.

3. In a device of the character described, the combination with a pair of ears, of a cable the ends of which are secured to said cars, pulleys over which the bight of said cable passes, a conveyer, and connections between said pulleys and said conveyer adapted to drive said conveyer always in one direction regardless of the reversal of movement of said pulleys.

4. ln a lifting and conveyingdevice, the combination with a lifting cable the direction of movement of which is periodically reversed, of pulleys over which said cable passes, a shaft, a conveyer, a driving connection between said shaft and said conveyer, shafts upon which the pulleys are mounted, pinions fast upon said shafts, pinions loosely mounted upon the first named shaft and meshing with the iirst named pinions, means for connectingone of said shafts to the iirst named shaft when the cable is moving in one direction, and lmeans for connecting the other of said`pinions to the first named shafts when said cable is moving in the opposite direction.

In testimony whereof l alix my signature in presence of two witnesses.

AXEL 1i. HOLMN Witnesses FRANK G. CAMPBELL, A. L. PHELPs.