US1583711A - Skip hoist - Google Patents

Description

May 4 1926.

c. M. YOUNG, JR

SKIP HOIST Filed Sept. 8

, 192E) 2 Sheets-Sheet 1 May 4 1926.

C. M. YOUNG, JR

SKIP HOIST Filed Sept. 8

, 1925 2 Sheets-Sheet 2 172 z/e/zfor.

C arias' J[ Y azzzzyix 9K Patented May 4, 1926.

UNITED .STATES A 1,5 3,711 PATENT OFFICE.

CHARLES H. YOUNG, JR; OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO LINK- BELTCOMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

SKIP HOIST.

Application filed September 8, 1925. Serial F0. 54,854.

To all whom it may concern:

Be it known that I, CHARLES M. YOUNG, J r., a' citizen of the United States, residing at Philadelphia, in the-county of Philadel-' phia and State of Pennsylvania, have invented a certain new and useful Improvement in Skip Hoists, of which the following is a specification.

This invention relates to a skip hoist and 10 to automatic means for filling the same from a bin or other receptacle containing material, and adapted upon operation of the hoist to discharge the same into the bucket or skip. It has-for one object to provide a device by means of which the material may be readily discharged into the bucket'without spilling. Another object is to provide a device of the type mentioned with a light, durable and readily operated gate for controlling the flow of material from the bin or other receptacle in response to the movement of the bucket. into which it is to be discharged. -'Other objects will appear from time to. time throughout 5 the specification and claims My invention is illustrated more or less diagrammatically in the accompanying drawings, wherein:

Figure 1 is aside elevation with parts in section of the skip bucket in the receiving position, showing the gate and chute mechanism;

Fi ure 2 is a similar view, with parts omitted s owing the gate closed;

Figure 3 is a section on'the line 33 of Figure 1; I

Fig. 4 is a fragmentary view showing the contact member on the chute moved to inoperative position.

Like parts are indicated by like characters throughout.

A is a track. A is a skip bucket supported from the track by means of the wheels A and adapted to move therealong.

B is a bail supporting the bucket as at B and having joined to it a cable B.

C C are contact rollers supported on arms C C. D is a hopper or receptacle in which the material to be deposited in the bucket is first placed. D is a chute leading from it. It is controlled by an undercut gate formed of a gate portion E and a pair of side members E each having an arcuate portion E and rearwardly extending arms E These arms are pivoted on a .bers. E tiirfiough this ring. Gr G are adjustably shaft E which is supported in the bearings E on the chute D The arms E are joined by a connecting member E u on which are placed the movable counterweights E" which are held against accidental displacement by bolts E". E is an outwardly turned lip on the undercut gate E. It is adapted to contact the bottom part of the guide member, which is described below.

Pivoted also on the shaft E is a. guide 05 member F. It is formed with bottom and side members, the latter being joined at the discharge end by a 'baflle member F. Additional baflle members F 2 F are laced in suitable locations throughout the ength of To the uide member F. They may be .provide with reinforcing angle members F F.

F is a closedbottom ofthe guide member.

As shown it extends only throughout a part of the length of the uide member, terminating adjacent the un ercut gate. a

G G are perforated bracket members on .the sides of the guide member F. In each of them is positioned a bolt G. G is an outwardly projecting ring on each of the mem- The bolt is slidably positioned mounted locking nuts on the bolt G Between the ring Gr and the nuts G on each of the bolts G is a helical spring G. By

means of this construction limited cushioned and the guide memberis permitted,

H H are contact plates, one located on,

each side of .the guide member F and adapted to be contacted by the rollers C, as shown in the drawings, or to be moved out of position.

I is a baflle member adjustably mounted in the chute D. As shown it is held in position 5 by bolts I and I, the latter extending through an arcuate slot 1*. By means of this construction the member I may be rotated throughout a limited arc in order to adjust its position within the discharge mouth of 9; the chute D.

The adj ustable'bafile member or flow plate I by means of its adjustability permits adjustment of the size of the opening through which the material passes so as to control the point where the material strikes the first bafile plate on the open guide member F, thereby permitting adjustment for the use of material having a flat angle of repose as well as material having a steep angle of repose. no

charge passage.

This adjustabilit of the flow plate also permits control of t e point where the angle of repose of the material intersects the outer edge of the bottom plate of the guide memher or chute as the same is rotated upward, thus causing material to stop flowing from the guide member or chute earlier than would be the case in an uncontrolled dis- And for a given adjustment the amount of material remaining in the upturned guide member when the same is in the closed position shown in Figure 2, it is reduced, and thus reduces the chance of spilling material.

The contact plates may be rotated into the position shown in Figure 4 and in that position the rollers (lot the bucket A will not contact the lates and thus the bucket may be raised an lowered past the contact plates without opening the gate assembly.

Although I have shown an operative device, still it will be obvious that manychanges might be made in size, shape and arrangement of parts without departing materially from the spirit of m Y invention; and I wish therefore, that my s owing be taken as in a sense diagrammatic.

The use and operation of my invention are as follows:

When it is desired to use the skip, material is deposited in the main bin and the necessary hoisting machinery is set in operation, to lower the ski bucket until the the contact rollers on it strike the contact plates on the side of the guide member. Sometimes this contact is very violent, and it is to cushion the violence of the shock due to this contact that the gate and guide member are mounted for relative cushioned movement. Thus the guide member ma start downward toward the opening position slightly ahead of the undercut gate. As soon as the shock of the contact has been absorbed, the two will move substantially together.

As movement continues, the guidemember turns into the bucket and the undercut gate moves out of its closing position in the bottom of the chute and permits discharge of the material through it into the skip bucket. The bafile plates located along the open top of the guide member prevent spilling or discharge of material, because as material rushes through the chute and the guide member, it contacts these baflles and is prevented from overflowing through the top of the guide member. In case the material comesto a standstill with the parts in the open or loading position, it will find its angle of repose against successive bafiles and no discharge through the bucket and guide member will take place. I

When the bucket is full, the hoisting mechanism operates to reverse its movement and the bucket is raised. As it does so the counterweights swing the undercut gate and the guide member upward, and thus the guide member moves out of the open mouth of the bucket and the undercut gate closes the discharge opening from the chuteand the parts thus assume the position shown in Figure 2, in which position no discharge can take place.

I claim:

1. In combination with a chute, a chute closing member adaptedto move to prevent discharge therethrough,said member formed with a pair of sidemembers and provided with a generally arcuatechute closing gate portion, and an open guide member adapted to move with said gate, and to have limited cushioning movement relative thereto.

2. In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed with a pair of side members. pivoted on a portion of said chute, and provided with a generally arcuate chute closing gate portion, and an open guide member pivoted also on said chute adapted to move with said gate and to have limited cushioning movement relative thereto.

3. In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed with a pair of side members pivoted on a portion of said chute, and provided with a generally arcuate chute closing gate portion, extensions therefrom, and counterweights supported from said extensions, and an open guide member pivoted also on'sa-id chute adapted to move with said gate and to have limited cushioning movement relative thereto.

4. In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed of a pair of side members pivoted on a portion of said chute, and provided with an arcuate chute closing gate portion, extensions therefrom and removable counterweights supported from said extensions, and an open guide memberpivoted also on said chute adapted to movewith said gate and to have limited cushioning movement, relative thereto, said guide member provided with a contacting portion in combination with a bucket having a contacting member adapted to contact said contacting portion to open the chute closing member and to move the guide member into operative position.

5. In-a skip hoist, a chute, anda skip adapted to be filled thegefrom, in combination with a chute closing memberadapted to be moved/in response to the movement of the skip to prevent discharge therethrough, said member formed of a pair'of side members provided with an arcuate chute closing gate portion, and an open'guide member adapted to move with said gate and to have gate portion, extensions therefrom, and removable counterwelghts supported from said extenslons, and an open guide member with an arcuate chute closing gate portion,

and an open guide member pivoted also on said chute adapted to move with said gate and to have limited cushioning movement relative thereto.

7. In a skip hoist, a chute, and a skip adapted to be filled therefrom, incombination with a chute closing member adapted to be moved in. response to the movement of the skipto prevent discharge therethrough, said member formed of a pair of side members pivoted on a portion of said chute, and provided with an arcuate chute closing pivoted also on said chute, adapted to move with said gate and to have limite'd cushioning movement relative thereto.

8. In a skip hoist, a chute, and a skip adapted to be filled therefrom,in combination with a chute closing member adapted to be moved in response to the movement of the skip to prevept discharge therethrough, said member formed of a pair of side members pivoted on a portion of said chute, and

provided with an arcuate chute closing gate portion, extensions therefrom and removable counterweights supported from said exten sions, and an open guidemember pivoted also on said chute adapted to move with said gate and to have limited cushioning move ment relative thereto, said guide member provided-with acontacting portion" in combination with a bucket having'a-contacting member adapted to contac said contacting portion to open. the chute closing member and to move theguide member into operative position.

'9. In combination with a chute, a chute closing mcmberadapted to move to prevent discharge therethrough, said member formed with {IgPiliI' of side members and provided with a generally arcuate chute'closing gate portion, and-an open guide member adapted to move with said gate, and an adjustable throat member for-said chute whereby the size of the discharge opening may be varied.

10. In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed with a pair of side members pivoted on a portion of said chute, and rovided with-a generally arcuate chute closing gate portion,

and an open guide member pivoted also on a said chute adapted to move with said gate and to have limited cushioning movement relative thereto.

11. In a skip hoist, a chute, and a skip adapted to be filled therefrom, in combination with a chute closing member adapted to be moved in response to the movement of the skip to prevent discharge therethrough,

said member formed of a pair of side members provided with an arcuate chute closing gate, portion, and an open guide member adapted to move with said gate, a contact member on said chute closing member adapted to be contacted by a part of said skip, said member adapted to be moved out of the path of said skip; whereby the skip may be moved past it without contacting it.

12. In a skip hoist, a chute, and a skip adapted to be filled therefrom, in combination with a chute closing member adapted to be moved in response to the movement of the skip to prevent discharge therethrough, said member formed of a pair of side members pivoted on a portion of said chute, provided with an arcuate chute closing gate portion, and an open guide member pivoted also on said chute adapted to move with said gate and to have limited cushioning movement relative thereto, a contact member on said chute closing member adapted to be contacted by a part of said ski said member adapted to be moved out of t e path of said skip whereby the skip may be moved past it without contacting it.

13. In combination with a chute, achute closing member, adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, said closing -member and guide member being mounted for relative movement and provided with yielding means for resisting such movement. p

14. In combination with a chute, an'undercut gate, adapted to be movedto prevent discharge through said chute, an open guide member mounted to'move with said gate and adapted to guide the discharge of material from the chute, said closing member and guide member being mounted for relative movement and provided with yielding means for resisting such movement.

15. In combination with ach'ute, a chute closing member, adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, and a bafile within and extending across said guide member, said closing member and guide .member being mounted for relative move- :ment and provided with yielding means for resisting such movement.

16. In a ski hoist, a chute, and a skip adapted to be lled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to guide the discharge of material from the chute, said closing member and guide member being mounted for relative movement and provided with-yielding means for resisting such movement.

17. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to guide the discharge of material from the chute,-and to bridge the gap between the end of said chute and said skip, said closing member and guide'member being mounted for relative movement and provided with yielding means for resisting Such movement.

18. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to guide the discharge of material from the chute, and to bridge the gap between the end of the chute and said skip, said chute closing member adapted to be opened by the downward movement of said skip and provided with a counterweight whereby it is closed automatically as the skip moves upward, said closing member and guide member being'mounted for relative movement and provided with yielding means for resisting such movement.

I 19. In a skip hoist, in combination a chute and a skip adapted to be filled therefrom, an undercut gate adapted to be moved to prevent discharge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute, said closing memher and guide member being mounted for relative movement and provi ed with yielding means for resisting such movement.

20. In a skip hoist, in combination a chute and a skip adapted to be filled therefrom, an undercut gate adapted to be moved to prevent discharge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute, and to bridge the gap between the discharge end of the said chute and said skip said undercut gate and said guide member mounted for limited rela tive movement and yielding means for resisting such movement.

21. In a skip hoist, in combination a chute and a skip adapted to be filled therefrom, an undercut gate adaptedto be moved to prevent discharge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute, and to bridge the gap between the discharge end of said chute and said skip, said guide member having within and extending across it a plurality of battles, said undercut gate and said guide member mounted for limited relative movementand yielding means for resisting such movement.

22. In a ski hoist, a chute, and a skip adapted to be lled therefrom, a chute closing member adapted to be moved'to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to-guide the discharge of material from the chute, said guide member provided with projections, and said skip provided with engaging projections whereby the chute closing member is opened as the skip moves downward and is freed for closing as the skip moves upward, said undercut gate and said guide member mounted for limited relative movement and yielding means for resisting such movement.

23. In combination with a chute, a chute closing member, adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, said closing member and guide membe! being mounted for relative movement and provided with yielding means for re sisting such movement, and an adjustable throat plate mounted in said chute, and adapted to be moved to control the size of said opening, I p

24. In combination with a chute, a chute closing member, adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, and a bafile within and extending across said guide member, said closing member and guide member being mounted for relative movement and provided with yielding means for resisting such movement, and an adjustable throat plate mounted in said chute, and ada ted to be moved to control the size of sai o ening.

25. n a ski hoist, in combination a chute and a skip a apted to be filled therefrom,- an undercut gate adapted to be moved to prevent discharge through said chute, an open guide member mounted to move with said gate'and adapted to guide the discharge of material from the chute, and to bridge the gap between the discharge end of said chute and said skip, said guide member having within and extending across it a plurality of baffles, said undercut gate and said guide member mounted for limited relative movement and yielding means for resisting such movement, and an adjustable throat plate mounted in said chute and adapted to be moved to control the size of said opening.

26. In combination with a chute, a chute closing member adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, said closing member and guide member being mounted for relative movement.

27. In combination with a chute, a chute closing member adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, said closing member and guide member being mounted for relative movement, said open guide member being provided with a plurality of bafile plates generally adjacent its open up er side.

Signed at Phila elphia, county of Phila delphia and State of Pennsylvania, this first day of September, 1925;

CHAS. M: YOUNG, JR.

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